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# science4fun - Learn Science with Experiments and Topics

Science4Fun is the gallery of science experiments and topics to increase your knowledge in fun way. Our experiments are safe and easy to do at home. We cover some important topics of science to let you understand the nature.

## Sitemaps

- [XML Sitemap](https://science4fun.info/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [Germinate The Seed](https://science4fun.info/germinate-the-seed/) - Play Germinate the Seed, a captivating educational platformer game. complete the levels and bring the miracle of seed germination in action.
- [Periodic Table Explorer](https://science4fun.info/periodic-table-explorer/) - Explore the exciting world of chemical elements with an interactive learning experience. Our Periodic Table Explorer will transform your learning experience.
- [Pompeii](https://science4fun.info/pompeii/) - Pompeii is an ancient city mostly famous for its tragic end around 2,000 years ago. It is located in Italy near a volcano, Mount Vesuvius. The city was thriving with normal Roman culture, but in 79 AD, the volcano erupted furiously and destroyed the city. Pompeii was lost and forgotten until it was rediscovered in
- [Dating Artifacts](https://science4fun.info/dating-artifacts/) - Dating artifacts to determine their age is one of the most important steps in archeology. Determining the accurate age of an object helps archeologists piece together ancient history. Dating is necessary for understanding history timeline and evolution of civilizations over time. For example, the age of pottery and tools artifacts tells us how people lived,
- [Inca Empire](https://science4fun.info/inca-empire/) - The Incas were one of the most advanced and powerful civilizations in the Andes Mountains of South America. They built a large empire that stretched to many regions of modern-day Peru, Ecuador, Chile, Argentina, and Bolivia. It was the largest empire in the Americas before the arrival of European Explorers. The Rise of the Inca
- [Life Cycle of Plants](https://science4fun.info/life-cycle-of-plants/) - Plants follow a specific life cycle process like any other living organism. Most of the flowering plants begin their life cycle from a seed, grow, and reproduce.
- [Mohenjo-Daro](https://science4fun.info/mohenjo-daro/) - Mohenjo-Daro is one of the oldest cities of the Indus Valley Civilization, which thrived around 4,500 years ago. Located in Sindh, Pakistan, its name means “Mound of the Dead” in the Sindhi language. It stands out as an extraordinary ancient city because of its advanced urban planning, including its city layout, roads, houses, and drainage
- [Titanium](https://science4fun.info/titanium/) - Titanium is very famous for its lightweight and high strength which is comparable to steel. It is the member of transition metals in the periodic table and is the 9th most abundant element on the Earth’s crust.
- [Excavation Techniques](https://science4fun.info/excavation-techniques/) - Excavation is one key step for uncovering objects hidden in the ground, ocean floor, and mountains. It helps us reach ancient civilizations that were buried long ago and lost in time. Uncovering the remains of ancient people helps us understand their living, working, and interaction with the environment. What is Excavation? Excavation in archeology is
- [What is Archaeology?](https://science4fun.info/what-is-archaeology/) - Archeology is the study of human history by examining things that they have left behind. The common left behind things are bones, buildings, tools, pottery, and even trash!
- [Biomes](https://science4fun.info/biomes/) - Biomes are the large and unique ecosystems that cover our Earth, with their unique climate, animals, and plants. Biomes shape the world around us and helps in our survival.
- [Topography](https://science4fun.info/topography/) - Topography is an interesting branch of geography in which shapes and features on the surface of the Earth are studied. It also reveals the complexity and beauty of the Earth’s surface.
- [Antarctica](https://science4fun.info/antarctica/) - Antarctica is the harshest continent on the Earth due to its coldest, windiest, and driest climate. It is different from the other 6 continents because it has no country and permanent human residents. Antarctica is the frozen world and is entirely covered with thick ice that accounts for 70% of Earth’s fresh water. Only scientists
- [South America](https://science4fun.info/south-america/) - South America is the 4th largest continent in the southern hemisphere below the equator. It is surrounded by the Atlantic and Pacific oceans and is connected to North America by the Isthmus of Panama. South America is comprised of 12 countries including Brazil, Chile, Colombia, and Argentina. It has a population of 440 million people
- [North America](https://science4fun.info/north-america/) - North America is one of the seven continents on the Earth that covers 16.5% of the land area. It is composed of 23 countries including US, Canada, and Mexico. The continent has a very diverse culture and its history goes back to ancient human civilizations such as the Mayans. North America’s landscape is also diverse
- [Abbas ibn Firnas](https://science4fun.info/abbas-ibn-firnas/) - Abbas Ibn Firnas was a very creative engineer and inventor who successfully constructed the first successful flying machine. His flying machine was a controlled one and he also demonstrated its flight, many centuries before designs of Leonardo Da Vinci. He is also famous for developing a glass lens that could be used to correct some
- [Cheetah](https://science4fun.info/cheetah/) - Cheetahs are the fastest land mammal on the earth and have an acceleration of 0 to 96 km/h (60 mph) in just 3 seconds. Their top speed is 113 km/h (70 mph). Cheetahs have evolved to such a degree that allows them to maximize their speed. How Do Cheetahs Run So Fast? They have enlarged
- [Jabir ibn Hayyan](https://science4fun.info/jabir-ibn-hayyan-geber/) - Jabir ibn Hayyan is one of the most brilliant scientists in the Golden Era of Muslims. He is famous for inventing various instruments for chemistry experiments, and he also performed many chemistry experiments himself. He found many new chemicals which include hydrochloric acid. Due to a lot of work in the field of chemistry, he
- [Al-Razi](https://science4fun.info/al-razi/) - Al-Razi is best known for his role in medicine during the Golden Age of Islam. He worked mainly on diseases in children and elders, chemicals used in making medicine, and problems related to the eye. He also built a hospital in Rey, Tehran for curing patients of his native land. In short, he was a
- [Ismail al-Jazari](https://science4fun.info/al-jazari/) - Ismail al-Jazari is best known as the first Arab mechanical engineer. He earned popularity for inventing machines. He was not only an engineer by his occupation but also an inventor, scientist, skilled worker of handmade designs, and mathematician. He worked on the concepts behind the moving parts of machines of earlier Greek and Muslim scholars.
- [Roots](https://science4fun.info/roots/) - The roots of a plant are its most essential parts. They grow in different patterns downward in the soil as compared to the plant’s stem and leaves. They store and provide water and nutrients from the soil, then transport them throughout the plant. Besides, they also help the soil to remain stable and fix nitrogen
- [Australia](https://science4fun.info/australia/) - Australia is the smallest continent and is a part of a large geographic region called Oceania. It is isolated from other continents and is surrounded by Ocean. Australia’s west is bordered by the Indian Ocean and its east is bordered by the Pacific Ocean. There are several nearby islands countries to Australia, some of which
- [Europe](https://science4fun.info/europe/) - Europe is one of the wealthiest and 6th largest continent by size. It is considered to be a unique continent based on its culture and history. However, geologists consider it to be the subcontinent of Eurasia's landmass. Europe shares 9.6% of the world’s total population and is the 3rd largest continent by population. Geography Europe
- [Africa](https://science4fun.info/africa/) - Africa is 2nd largest continent by Area which constitutes around 20% of the Earth’s land. Africa is the home of 1.3 billion humans which makes it the 2nd most populous continent. Furthermore, the median age of the African population is 19.5 years, which makes it the youngest population worldwide. Geography and Climate Africa covers 30.3
- [Asia](https://science4fun.info/asia/) - Asia is the largest continent on Earth featuring diverse cultures and History. It has around 4.4 billion human population which accounts for 60% of the world’s human population. It covers about 30% of the total land area of the Earth with 48 recognized countries by the United Nations. Geography and Climate The surface area of
- [Continents](https://science4fun.info/continents/) - Continents are large masses of continuous land above sea level. The land surface of our Earth has been divided into seven continents; Asia, Africa, North America, South America, Europe, Australia, and Antarctica. Geographically, each continent is divided into many countries, for example, Asian Continent has 48 recognized countries by United Nation. How Continents Are Divided?
- [Ibn al-Haytham (Alhazen)](https://science4fun.info/ibn-al-haytham-alhazen/) - Ibn al-Haytham (Alhazen) is one of the most famous physicists who discovered many laws and theories in physics; especially in optics. His one of the most notable works proves that the human eyes see because of light falling on the eyes. The previous concept was that eyes emit certain radiations which when hit an object,
- [Al-Khwarizmi](https://science4fun.info/al-khwarizmi/) - Al-Khwarizmi is one of the most famous mathematicians, astronomers, and geologists at the time of the Golden Era of Muslims. He is also the inventor of many mathematical methods and a branch of math, called Algebra. Furthermore, he was the first to use decimals to express the fractions. Biography Muhammad Ibn Musa Al-Khwarizmi, nicknamed Al-Khwarizmi,
- [Non-Flowering Plants](https://science4fun.info/non-flowering-plants/) - Plants that don’t produce flowers are simply called non-flowering plants. These plants are different in many aspects from flowering plants including reproduction.
- [Al-Biruni](https://science4fun.info/al-biruni/) - Al-Biruni is known for his works on multiple fields. Apart from mathematics, he knew about planets and stars, languages, geography, cultures, and history.
- [Composition of the Earth](https://science4fun.info/composition-of-the-earth/) - The Earth is a very dynamic terrestrial planet that is composed of complex structures and layers. The chemical composition and its layers of the Earth play a crucial role.
- [Silver](https://science4fun.info/silver/) - Silver is one of the precious metals found in the Earth. It is classified as a transitional element in the periodic table having 47 protons and 60 neutrons.
- [Tyrannosaurus Rex](https://science4fun.info/tyrannosaurus-t-rex/) - Tyrannosaurus rex are pre-historic animals living around 65 million years ago. Thus, none of the early-day humans have watched them in reality. It is because early humans appeared around 20 million years ago. But thanks to paleontologists (scientists who study fossils of animals, plants, and other living things) who have through their intense research and
- [Nigersaurus](https://science4fun.info/nigersaurus/) - Nigersaurus are famous dinosaurs for having 500 slender teeth in their jaw. These dinosaurs have been recognized recently in the year 2000 and were named in the honor of country “Niger”. The word Nigersaurus has two parts; Niger (country name), and Saurus (reptile). Nigersaurus lived around 100 million years ago in a period called the
- [Photosynthesis](https://science4fun.info/photosynthesis/) - Every living thing on Earth needs food to survive and live a healthy life. Plants are also living things, so they need food regularly. But instead of waiting for someone to feed them, they produce their own food. They produce their food in a process called ‘Photosynthesis’ and generate oxygen for us. Plants need three
- [Trees](https://science4fun.info/trees/) - Trees are one of the most useful and beautiful plants on the Earth. They provide us with fresh oxygen and many necessary things, e.g. wood, fruits, pulp for producing paper, and shade on sunny days. Also, they provide homes to a lot of animals including land animals, insects, and birds. What is a Tree? Trees
- [Plant Defenses](https://science4fun.info/plant-defenses/) - In the battle for survival, plants are normally seen as passive and inactive creatures against their predators called herbivores (plants-eating animals). However, that’s not true! Plants have developed basic and sophisticated defenses against herbivores and pathogenic infections. These defenses help plants to deter herbivores and sometimes become lethal for them. Types of Plant Defenses Some
- [Carnivorous Plants](https://science4fun.info/carnivorous-plants/) - Many species of plants eat meat as their food source. These plants are called carnivorous plants that rely on smaller animals such as insects and frogs as their food source.
- [Poisonous Plants](https://science4fun.info/poisonous-plants/) - There are many species of plants that also carry poisons. These poisons may cause itching, vomiting, diarrhea, and even death. The poisonous plants play an important role in nature.
- [Airplane](https://science4fun.info/invention-of-airplane/) - Nowadays, airplanes have become a common way of transportation. You can fly to any city of the world very quickly on airplanes than any other method of transportation. Airplanes have forced us to think that, the earth is a smaller place to accommodate ourselves. Because you can travel to any part of the world in
- [Plant Structure](https://science4fun.info/plant-structure/) - There is a large variety of plants with different sets of structures. However, these plants can be categorized into vascular plants and non-vascular plants. Vascular plants have a system of special tissue called the xylem and phloem. These tissues transport water and other nutrients throughout the plant. You can consider the purpose of these tissues
- [How Plants Grow](https://science4fun.info/how-plants-grow/) - Plants are the most important part of our ecosystem which are found in almost every part of the Earth. They are found in oceans, deserts, mountains, plains, and also in other harsh environments. No matter where the plant lives, they all grow in a somewhat similar manner. There are around 380,000 known species of plants;
- [Flowering Plants](https://science4fun.info/flowering-plants/) - The plants which can produce flowers are called flowering plants. These plants fall under the category of vascular plants. These plants can transport water and nutrients throughout their different parts. Vascular plants transport nutrients and water with the help of special tissues; xylem and phloem. There is a separate scientific term used to describe a
- [Resistors, Capacitors, and Inductors](https://science4fun.info/resistors-capacitors-and-inductors/) - Electric circuits are used to provide a path to electric current. They commonly use three basic electrical components, which are resistors, capacitors, and inductors. They affect the electric current and changes the behavior of the circuit. Resistor A resistor is an electrical component, which has a certain amount of resistance. Resistance is the measure of
- [Southern Ocean](https://science4fun.info/southern-ocean/) - The Southern Ocean is the 4th largest Ocean among the five major oceans. It is also known as the Antarctic Ocean because it completely encloses the Antarctica continent. The Southern Ocean covers around 6% area of the Earth. The Southern Ocean was recognized recently in 2000 as a separate ocean. Earlier, its regions were considered
- [Indian Ocean](https://science4fun.info/indian-ocean/) - The Indian Ocean is the 3rd largest ocean among the five major oceans of the Earth. It covers around 19.8% of our Earth’s surface. The Indian Ocean has been named after India – a country. The main reason for keeping its name after India is due to the country’s largest shoreline with the Ocean. The
- [Arctic Ocean](https://science4fun.info/arctic-ocean/) - The Arctic Ocean is the smallest and most frozen Ocean on the Earth. It is entirely frozen in winter and melts partially in the summer months. Earth’s geographic and magnetic North Pole also lies in this Ocean. The Arctic Ocean’s name is derived from the Greek word “Arktos” which means bear. The reason for giving
- [Peregrine Falcon](https://science4fun.info/peregrine-falcon/) - Peregrine Falcons are famous for their very fast flying speed and are considered world’s fastest birds. Peregrine falcons are the large birds and their size is comparable to crow. They have strong sharp talons of yellow color. They are predatory birds (raptors), that is, they feed upon other birds and bats which they capture –
- [Pacific Ocean](https://science4fun.info/pacific-ocean/) - The Pacific Ocean is the largest and deepest among the five Major Oceans of the Earth. The surface area of the Pacific Ocean is so large that it can fit all seven continents. It covers around 30% surface area of the Earth while the remaining 70% is covered with all other oceans and continents. The
- [Atlantic Ocean](https://science4fun.info/atlantic-ocean/) - The Atlantic Ocean is the 2nd largest among the five major oceans of the Earth. It is surrounded by Europe, Africa, South America, and North America. The ocean takes up approximately 20% of Earth's surface area. There are many features, such as Gulf Stream, in this ocean that impact the weather of the US and
- [Mount Rushmore](https://science4fun.info/mount-rushmore/) - Mount Rushmore is one of the famous mountains in South Dakota, located in the black hills mountain range. It is famous due to the large sculptures of four famous presidents of the United States. These presidents are Abraham Lincoln, Theodore Roosevelt, George Washington, and Thomas Jefferson. Mount Rushmore receives around 3 million international tourists every
- [Flower](https://science4fun.info/flower/) - A flower is also known as bloom or blossom. There is a huge variety of flowers with different colors and scents. As it is the basic reproductive organ of the plant, it supports the entire growth process. The flower is found in every botanical garden, park, forest, mountains, gross, and different natural places wherever a
- [Soil](https://science4fun.info/soil/) - Soil is one of the important layers of our Earth’s crust on which plants grow. Soil is different from plain clay or sand surface. Soil is a biologically active top layer of the crust which in itself forms an ecosystem. The ecosystem of soil is where plants, insects, bacteria, fungi, and animals interact. Soil is
- [Aquatic Plants](https://science4fun.info/aquatic-plants/) - Aquatic plants are categories of plants that are surrounded by water or live in the water. These types of plants are found in ponds, rivers, and other water bodies. Aquatic plants play important role in the pond ecosystem. These plants provide shelter and food to fish and other creatures. Types of Aquatic Plants There is
- [Animal Adaptations](https://science4fun.info/animal-adaptations/) - What Are Animal Adaptations? Animals have modified themselves in various ways to be able to survive in the environments where they live. Our Earth has various environments with different features and properties. For example, deserts are dry and Polar Regions are cold. Over the time, animals have evolved with the change in Earth’s climate so
- [Plant Adaptations](https://science4fun.info/plant-adaptations/) - Our earth is full of colorful plants that grow in many different regions. There are regions of hot, dry, rainy, and cold climates. Plants have adapted themselves according to these environments for survival. Let’s learn about these plant adaptations that enable them to survive even in extremely harsh conditions. What Are Plants Adaptations? Plant adaptation
- [Leaf](https://science4fun.info/leaf/) - Leaves are the powerhouses of plants that generate energy. These are green-colored parts of a plant having many veins. Mix and straight veins help it carry nutrients. Functions like food storage and releasing water under humidity help flourish in all seasons. What is a Leaf? A leaf is the main part of vascular plants that
- [Guglielmo Marconi](https://science4fun.info/guglielmo-marconi/) - Marconi was an electrical engineer and is famous for the invention of the radio. He is the founder of wireless telegraphy. His inventions and contributions took him closer to rulers and scholars of Italy, United Kingdom, and United States. Marconi was very successful and earned a good fortune from his company known as “The Wireless
- [Grasshopper](https://science4fun.info/grasshopper/) - Grasshoppers are insects that are famous for their long jumps and making a chirping sound. They have adapted themselves very well for their survival. They have excellent camouflage, that can blend them almost completely in the surroundings of their habitats. There are about 11,000 different species of grasshoppers that are living around the world. Life
- [Dolphin](https://science4fun.info/dolphin/) - Dolphins are among the most loved marine animals. They are very intelligent and playful animals, which often interact with people on the boats. Dolphins are the mammals; they give birth to baby dolphins called ‘calves’. The calves of the dolphins survive on the milk of their mother until they grow younger. Dolphins also play sports
- [Butterfly](https://science4fun.info/butterfly/) - Butterflies are one of the beautiful insects found across the world. They are known mostly for their large beautiful colored wings. their wings have a lot of colors in many different patterns. The bright colors also provide a good camouflage to them for avoiding predators. Butterflies also play an important role in ecosystems. They help
- [Whale](https://science4fun.info/whale/) - Whales are the wonderful creatures on the planet Earth. They are the largest living animals among all land and oceans animals. Even the biggest dinosaurs that once lived on the Earth are smaller than the whales. Whales are mammals and there are two types of the whales according to the way they eat. They are
- [Swordfish](https://science4fun.info/swordfish/) - Swordfish are mostly famous for their long bill, which look like a sword. You can definitely guess that their name was put due to their sword-like bill.
- [Snake](https://science4fun.info/snake/) - Snakes are flexible reptile; they have a long body much like a rope. They are feared by the majority of the people around the world. However, some people love to stay with snakes and keep them as a pet. There are about 3,000 different species of snakes found across all over the world. Majority of
- [Shark](https://science4fun.info/shark/) - Sharks are the largest and sharp predator fishes that live all around the oceans. They have been dwelling in the ocean for more than 2 million years. There are 465 different species of sharks that live in the oceans. The biggest species of the sharks is called great white shark. A fully grown shark sits
- [Scorpion](https://science4fun.info/scorpion/) - Scorpions are considered as insects but actually, they are not. They have 8 legs and are different from insects. They are most famous for their deadly poison in their stinger. Scorpions have been living on the Earth for millions of years. They have changed very little as compared to ancient scorpions. There are about 1700
- [Ostrich](https://science4fun.info/ostrich/) - You would have seen many birds in your lifetime, e.g. sparrow, crow, and a parrot. The ostrich is also the bird like them, but larger than all the birds found on the Earth. Ostriches can’t fly despite having wings. They are mostly known for their speed; they can reach a speed of 40 miles/hour (40
- [Mallard Duck](https://science4fun.info/mallard-duck/) - Mallard is a common duck, which is very famous bird around the world. They especially known for their sound “quack”. You have probably seen ducks is Disney cartoons, in which the duck is shown as a funny character. Mallard are loved by people around the world. Many people domesticate the ducks in their farms. What
- [Clownfish](https://science4fun.info/clownfish/) - Have you watched the Disney’s famous movie “Finding Nemo”, in which an orange fish called Nemo gets lost and his dad goes its search? Both of these fishes are the clownfish. They are orange and yellow in color and are sometimes called anemonefish. There are 28 species of clownfish, each having different colors. Relationship with
- [Cardinal](https://science4fun.info/cardinal/) - Cardinals are the small sized birds with the red colored body. The most famous species of cardinal is the northern cardinal. Cardinals are named after the Catholic leader, who wears bright red clothes. Cardinals communicate with each other by singing songs. Also, the males of one nest warn other males by singing a song. Male
- [Bald Eagle](https://science4fun.info/bald-eagle/) - Bald eagles are very popular sea eagles in the US because they are the national birds of US. Bald eagles are not actually bald. The word bald is a modification of an old English word “balde” that means white. They are identified by their white head with a yellow beak. They are the largest raptors
- [Lion](https://science4fun.info/lion/) - Lions are commonly known as ‘kings of the jungle’. People around the world consider the symbol of lions as the sign of strength and power. They are the world’s second largest cat after the tigers. They are the social cats and live together in groups called pride. What Do They Look Like? Lions are the
- [Flamingo](https://science4fun.info/flamingo/) - Flamingos are the pink colored birds with long and slim legs. They are the wading (walk through water) birds, they can stand on one leg for many hours. There are six species of flamingo living in different parts of the world. They are one of the longest-living birds, living for up to 40 years. What
- [Grid Station](https://science4fun.info/grid-station/) - An electrical grid station is an important unit in the transmission of electricity throughout a country. A grid station is like a middle man, that receives electricity from power plants and other grids, and then transmits that electricity to long distances. After then, users like you and me receive electricity while sitting thousands of miles
- [Electronic Communication](https://science4fun.info/electronic-communication/) - Before the advent of electronic communication, the world moved slow. Letters and long-distance phone calls were time taking and costly. Electronic communication made it easy. It made the connectivity fast and cheap. Today, Electronic communication is achieved by digital signals that are carried by Ethernet cables, optical Fibers, Wireless, and Space communication. What is Electronic
- [Integrated Circuits](https://science4fun.info/integrated-circuits/) - The invention of integrated circuits (IC) reduced the size of electronics. The circuits before its invention were large and occupied huge space. Therefore, earlier computers, hard drives, and all other electronic items were big. ICs brought down their size, weight, and power consumption. Moreover, this also led to research and development for inventing faster circuits.
- [Semiconductors](https://science4fun.info/semiconductors/) - A semiconductor is a material known for its use in the digital world. Most of the electronic devices are based on it. Small devices like a diode, transistor, and integrated chips (IC) are built from it. These devices are used in computers, games, radio, mobile phones, robots, automatic factories, and many others. The technology around
- [Transistor](https://science4fun.info/transistor/) - A transistor is a semiconductor device. Its invention led to the rapid rise in digital electronics. They process the signals very fast and are used in the amplification of signals and switching (On and OFF). Transistors are used in computers, game processors, mobile phones, tablets, television, microwave oven, and almost all electronics. From the internet
- [Euclid](https://science4fun.info/euclid/) - Euclid has remained one of the founding mathematicians. He contributed many things to geometry due to his keen interest. Due to this reason, the world knows him as the father of geometry. His name is also present in the modern geometry book as “Euclidean geometry”. Biography – Life Span Euclid was born in 325 BCE
- [Democritus](https://science4fun.info/democritus/) - Democritus is a well-known pre-Socratic Greek philosopher – who came before Socrates. He is a very famous Greek philosopher due to the discovery of the atomic theory. The research he did on atoms makes him more likely a scientist than a philosopher. Therefore, he was given the title of father of modern science. Due to
- [Abd al-Rahman al-Sufi](https://science4fun.info/abd-al-rahman-al-sufi/) - Abd al-Rahman al-Sufi is a well-known Muslim astronomer, who is also recognized by present-day space agencies. Due to this reason, a crater in the Moon has been named after him, called “Azophi”. Al-Sufi’s name comes among the nine most famous Muslim astronomers who took lead to explore the sky. His name appears with varying spellings
- [Socrates](https://science4fun.info/socrates/) - Socrates is best known for philosophy – the study of nature, knowledge, and reasoning. Almost every philosopher after him has been influenced by his thoughts. The biggest reason behind his success exploring the truth behind the events. Plato, the well-known Greek philosopher has remained his student. Biography – Life Span Socrates was born in the
- [Ptolemy](https://science4fun.info/ptolemy/) - Ptolemy is one of the remarkable mathematicians of all time. His entire life revolves around the works he did mainly in mathematics, astronomy, geography, and astrology. However, he also contributed to optics and music to some extent. Almagest – his masterpiece book on planetary laws had been studied for many centuries by the scientists of
- [Aristotle](https://science4fun.info/aristotle/) - Aristotle, also known as a great thinker, has left a big impact on science and philosophy. Many disciplines of the study put light on his works. His contributions in the field of philosophy have earned him the title of “great teacher”. Aristotle examined nature carefully and explained many basic concepts of the universe. Biography –
- [Beaver](https://science4fun.info/beaver/) - Beavers are one of the wonderful animals that are best known for building dams in rivers. These dams are very helpful for holding the water in forests and grasslands. Beavers are rodents, which means they have incisor teeth that are constantly growing. What Do They Look Like? Like all other rodents, such as rats, squirrels,
- [Isotherms](https://science4fun.info/isotherms/) - The temperature of a region is usually taken as a whole to find out how that area feels, e.g. hot or cold. However, the temperature in a region is not the same in every location of its covered area. It changes from point to point in a particular region. Generally, to get accurate temperature information
- [Pen & Pencil](https://science4fun.info/pen-pencil/) - Since prehistoric times, humans have tried to mark their stories and presence with the help of some tools. In ancient times, people used the techniques of engraving or etching their writings on hard surfaces like smooth stones, suitable flat wood, and some metallic surfaces. After that, materials like papyrus and parchments were also used as
- [Paper](https://science4fun.info/paper/) - It is quite interesting to know the scenario of humans before paper. People used to write on various materials, such as wood, stones, leather, and leaves. For example, if they wanted to write on wood, they simply inscribe it with a sharp tool. Also, they used a kind of ink to write on the Ostraka
- [Fire](https://science4fun.info/fire/) - It is very hard to imagine how humans used to live without the invention of fire. Before the fire, humans have only known about the heats of summer and colds of winter. So, without fire, no cooking, and one had to eat raw food and live life on cold nights. The discovery of fire and
- [Compass](https://science4fun.info/compass/) - According to an old Greek tale, the effect of magnetism was seen by a shepherd accidentally. His name was Magnes and he lived in Magnesia, Greece. He had noticed that the nails of his shoes and the ferrule (cap) of his stick got stuck on a rock under his feet. After that, the stone had
- [Firearms](https://science4fun.info/firearms/) - Humans have always tried new ways to defend themselves or to attack others for invasion. For this purpose, they tried to develop tools and weapons since ancient times. Pre-historic Weapons Using stone tips, for attacking animals or other humans during a fight, dates back to 64,000 years. After that, It was discovered that Europeans used
- [Clock](https://science4fun.info/clock/) - Time is something that we often talk about and plan our day. we use it in our day to day, short term, and long term planning, yet the concept of the time has ever since remained a complex concept to date. It has fascinated scientists and common men since many centuries ago. From the earliest
- [Velociraptor](https://science4fun.info/velociraptor/) - The word “Velociraptor” has been derived from the combination of two Latin words, which are "Velox" means swift, and "raptor" means robber or plunderer. So the meaning of Velociraptor would be “swift robber”. They had easily reached the speed of 60 to 70 km/h. Velociraptor is a genus under the family of Dromaeosauridae. These dinosaurs
- [Triceratops](https://science4fun.info/triceratops/) - Triceratops are one of the famous dinosaurs which are known for their 3 horns and a frill around their neck. The name “Triceratops” literally means “three-horned face” because they have three horns; two are on the head and the third one is located above the nose. Triceratops have lived on the Earth around 68 million
- [Stegosaurus](https://science4fun.info/stegosaurus/) - Stegosaurus dwelt on earth around 155 million years ago. Their fossil remains have been discovered in the western parts of the United States and Portugal. Stegosaurus is a state emblem of the state of Colorado in the United States. Stegosaurus is an English word that is derived from two Greek words; Stegos (roof) and Sauro
- [Plato](https://science4fun.info/plato/) - Plato is known as an ancient Greek philosopher. He was honored to have taught the personality like Aristotle. He was himself a student of Socrates. His major writings were based on topics like justice, equality, human nature, mathematics, and science. Moreover, Plato's work also carried wide discussions in political philosophy and theology. Plato had also
- [Apatosaurus](https://science4fun.info/apatosaurus/) - Apatosaurus is one of the largest known species of dinosaurs and is recognized for its very long tail and neck. Apatosaurus is an English word that has been derived from two Greek words; apate (deceptive) and sauros (lizard). Thus, it would mean “deceptive lizard”! Apatosaurus inhabited the earth in a time known as the Jurassic
- [Coronavirus](https://science4fun.info/coronavirus/) - Coronavirus has become one of the famous viruses due to coronavirus pandemic in the years 2019 to 2020. The type of coronavirus that spread globally is COVID-19 (Coronavirus Disease 2019) – also called novel coronavirus 2019. What is Coronavirus? Coronavirus is a large group of viruses that can infect mammals including humans. They can cause
- [Robert Hooke](https://science4fun.info/robert-hooke/) - The man behind the discovery of the biological cell was Robert Hooke. His works cover various subjects such as physics, mathematics, architecture, civil engineering, geology, and fossils. His excellent additions to science and engineering are Hooke’s law on elasticity, the cell in living organisms, and famous old buildings in London. Based on his intelligence, he
- [Kingdoms](https://science4fun.info/kingdoms/) - Every living thing which lives on the earth is distributed among the five main kingdoms of biology. Kingdoms were developed to understanding the characteristics and behavior of living organisms. Moreover, modern science defines living things more in different levels of classification of living things. Furthermore, the classification gives more knowledge about basic differences and similarities
- [Classification Of Living Things](https://science4fun.info/classification-of-living-things/) - Classification of living things is very important for understanding the lifestyle, structure, and behavior of organisms. Initially, scientists have classified the organisms into two kingdoms; Animalia and Plantae. But as time passed, scientists increased the classification levels to better understand living things. Due to classification, scientists can easily differentiate and defines the characteristics of newly
- [Fruits & Vegetables](https://science4fun.info/fruits-and-vegetables/) - Vegetables and fruits are a very important source of food for humans and animals – just like air and water. Many animals are herbivores that rely on plants as their food to get energy and survive. Therefore, herbivores animals and we humans require vegetables and fruits for a healthy life. Vegetables and fruits both come
- [Vitamins & Minerals](https://science4fun.info/vitamins-and-minerals/) - Vitamins and minerals and one of the most famous and required nutrients that almost every person knows. Every living organism including humans, animals, and plants needs vitamins and minerals along with other nutrients for good health. Food can be broken up into several main components such as carbohydrates, proteins, fats, vitamins, and minerals. Therefore, humans
- [Samuel Morse](https://science4fun.info/samuel-morse/) - Samuel Morse is one of the great and famous inventors in the history of America. He has been the only person of his time who made a telegraph with a single wire. He was also the first who had brought the idea of using Morse code, which proved helpful for communication purposes. His plan of
- [Alessandro Volta](https://science4fun.info/alessandro-volta/) - Alessandro Volta is a well-known physicist, who is famous for creating a first practical electric cell. Moreover, his work proved that it is possible to produce electricity through a chemical reaction. He was not just a physicist but was also greatly known for his work in the field of chemistry and electrical science. Other than
- [Microscope](https://science4fun.info/microscope/) - The word “microscope” is originated from Greek language words “micro” means small, and “skopion” means to see. In other words, a microscope allows a person to see something too small that can’t be observed with naked eyes. In the scientific world, the instrument of the microscope has brought a revolution that was invented by Zacharias
- [William Thomson (Lord Kelvin)](https://science4fun.info/william-thomson-lord-kelvin/) - Sir William Thomson, also called Lord Kelvin, was a well-known mathematician and engineer. His work on mathematical analysis of electricity is one of his finest works. Besides, his important role in introducing a law on heat and temperature is valid in physics to this date. Moreover, he is also known as a telegraph engineer. And
- [Life Cycle Of Cells](https://science4fun.info/life-cycle-of-cells/) - Every living organism on the Earth has its own life cycle from birth to death. Humans, animals, and plants also go through a life cycle. Similarly, cells also go through their life cycle but the methods of their birth and death are different. The life cycle of cells starts when cells divide from their parent
- [Charles Babbage](https://science4fun.info/charles-babbage/) - Charles Babbage wrote his name in history by inventing the basic mechanical computer. His works cover intelligent inventions like the computer and the growth of mathematics like calculus. He was a mathematician, astronomer, mechanical engineer, and business expert. His contributions to engineering earned him many honors in England and other countries. Since he was the
- [Leopard](https://science4fun.info/leopard/) - Leopards are one of the big wildcats; bigger than cheetah but smaller than jaguar and lion. A leopard (Panthera Pardus) belong to Genus Panthera, and the Family is Felidae. They have a close resemblance to cheetahs and tigers. They have fur on their skin which helps them to mingle with the environment so that they
- [Frogs](https://science4fun.info/frogs/) - Frogs are small and commonly found animals with stout bodies and having no tail. They live an amphibian life (that is, they partly stay on land and partly in water). They belong to order Anura and the family Ranidae. In the old Greek language, the meaning of Anura is tail-less. However, some species of frogs
- [Ernest Rutherford](https://science4fun.info/ernest-rutherford/) - Ernest Rutherford’s exceptional works gave birth to nuclear science. He extended the limit of modern physics by his praise-worthy additions. Atom and sub-atomic particles remained his main topics of research. His excellent abilities and discovery of proton made him noble prize-winner. And under his outstanding leadership another sub-atomic particle, neutron, was discovered later. For these
- [Tiger](https://science4fun.info/tiger/) - Meet the tiger, the largest cat in the world which also larger than a lion. A tiger (Panthera Tigris) looks very much similar to a lion because both are the large cats. However, they are also different from lions because they have different colors and have much smaller mane (hair surrounding neck) than lions. Tigers
- [Crocodile](https://science4fun.info/crocodile/) - Crocodiles are one of the largest and strongest reptiles that dwell amphibian life (underwater gill-breathers). Reptiles are those animals that are cold-blooded and their skin is mostly scaly. Since they have gills, they can live underwater and on the land. They are very agile creatures (fast-moving) and their speed ranges from 24 to 32 km/h
- [Turtle](https://science4fun.info/turtle/) - The turtles are the oldest reptiles of their kind and are very famous among kids and teens. One of the main reasons behind their fame is due to the production of cartoon series and movies, titled “Teenage Mutant Ninja Turtles”. Scientific findings suggest that the existence of turtles can be traced back to 200 million
- [Charles Darwin](https://science4fun.info/charles-darwin/) - Charles Darwin has been a natural scientist, whose significant work in the theory of evolution has remained a great effort in the history of today's human mankind. Indeed, his theory of evolution has helped people a great deal to understand the evolution of man. However, many of the times his research work led him to
- [Benjamin Franklin](https://science4fun.info/benjamin-franklin/) - Benjamin Franklin holds the honor of being the most notable figure in the US and the rest of the world. From America’s independence to scientific inventions, his key role remains highly praised. He spread knowledge through newspapers by publishing his inventions. Also, he never claimed the legal rights to be the owner of any invention
- [Antoine Lavoisier](https://science4fun.info/antoine-lavoisier/) - The chemistry was given new life with various contributions made by Antoine Lavoisier. Due to this reason, he is given the title of “Father of Modern Chemistry”. Besides, he also remained connected with many other fields like mathematics, geology, and botany. He was one of the rich people and has remained in the circles of
- [Ant](https://science4fun.info/ant/) - Ants are very common household insects, which are found everywhere around the world. They are social insects that live together in the colonies.
- [Giraffe](https://science4fun.info/giraffe/) - Giraffes are the tallest land mammals on the earth. Their average height is around 5 meters (16 feet). Giraffes are characterized by their long neck and legs with a nice pattern of spots on their body. People of Africa once called them camel-leopard because their body shape resembles with camel and their pattern resembles with
- [Kangaroo](https://science4fun.info/kangaroo/) - Kangaroos are one of the fantastic animals due to their attractive moves of jumping. They can give incredible jumps and can cover a distance of 9 meters in a single leap. When they run in the wild, they can reach a speed of 50 km/h. Furthermore, they are also well known for their long legs,
- [Horse](https://science4fun.info/horse/) - Horses are one of the most domesticated animals in the world. They have been with humans in almost every walk of life since ancient times, e.g. transportation and battles. The horse is an example of living sub-species of Equus ferrus. They belong to Phylum Chordata, Family Equidae, and Genus Equus. They are good runners and
- [Robert Boyle](https://science4fun.info/robert-boyle/) - Robert Boyle’s works made the chemistry reborn. He is a notable chemist who read gas, air, and temperature very closely. Besides, he was also an inventor and physicist. He was given the title ‘the Modern Chemist’ that was already given to Jabir ibn Hayyan – an 8th-century Muslim scholar. Today he is known for Boyle’s
- [James Watt](https://science4fun.info/james-watt/) - James Watt holds high standing in science. Being an inventor, he loved working on machines. Since the steam engine was already introduced, he improved it very nicely to make it useful in society. With his finest skills in making instruments, he made several inventions. This trade made him a rich person. His contributions earned him
- [Giant Panda](https://science4fun.info/giant-panda/) - Giant Pandas are one of the cute and famous animals found in the world. The scientific name of the giant panda is Ailuropoda melanoleuca, which is also known as panda bear – in short, just the panda. They belong to the order Carnivora and the family Ursidae. In fact, they are species of bears, and
- [Johannes Gutenberg](https://science4fun.info/johannes-gutenberg/) - The man behind the spread of literacy in Europe was none other than Johannes Gutenberg. The invention for which he is famous is the movable-type printing Press. By this invention, he enabled the entire European population to learn on equal terms with those of the wealthy class, due to availability of books from its printing
- [Hippopotamus](https://science4fun.info/hippopotamus/) - Hippopotamus amphibious are one of the heaviest land mammals on the Earth. They are simply referred to as hippopotamus or just hippos. In the Greek language, it means river horse because hippos like to stay in waters. They are known as good swimmers and can hold their breath underwater for about 5 minutes. It is
- [Gorilla](https://science4fun.info/gorilla/) - Gorillas are land-living apes and are found in forests located in central Sub-Saharan African territory. Their Genus is Gorilla which has two species; the eastern gorillas and western gorillas. But they have also been differentiated further into more sub-species. They belong to Phylum Chordata and Class Mammalia. They are considered as the largest surviving primates
- [Koala](https://science4fun.info/koala/) - Koalas are marsupials; closer relatives of kangaroos and wombats. Koalas are not bears but still many people refer to koalas as koala bears. It is because early European settlers when first encountered koalas, they thought that these tree climbing animals are monkeys or bears. Koala’s babies are called ‘joeys’ that stay in the pouch of
- [Archimedes](https://science4fun.info/archimedes/) - Archimedes is one of the famous Greek scientist and inventor. He is also known for his works in mathematics with excellence in geometry. And he made valuable discoveries and important inventions. Archimedes is a Greek scientist who was first to know why ships sail on the sea instead of getting sunk. Based on his works
- [Camera](https://science4fun.info/invention-of-camera/) - Today, cameras have become so popular that there may be hardly any person without a camera. We all carry cameras in our smartphones that are always ready to take shots when we want. You are lucky that you are living in a time where we all carry cameras for photography. Photography, as you know it
- [Rhinoceros](https://science4fun.info/rhinoceros/) - Rhinoceros are bulky and strong and large-sized animals and are famous for their horn on the nose. The word ‘rhinoceros’ is derived from the Greek word ‘rhinokerōs’ whose meaning is “nose-horned”. In short, they are also called Rhino. They belong to the family Rhinocerotidae and the Phylum is Chordata. The two African species of Rhinos
- [Humphry Davy](https://science4fun.info/humphry-davy/) - Humphry Davy is mainly known for his works on chemicals. Besides, he also wrote poetry and is regarded as a good poet. Due to his great role in science and literature, he got the title of a baron – one who is noble or expert in any area. Davy made well-known inventions in the subject
- [Dmitri Mendeleev](https://science4fun.info/dmitri-mendeleev/) - In chemistry, Dmitri Mendeleev left an impressive value by finding out the Periodic Law of elements. With the help of it, he made corrections in the periodic table of elements that existed at his time. By doing so, he knew that eight more elements were yet to be known. Besides, he also worked on petrol
- [Spiders](https://science4fun.info/spiders/) - Spiders are one of the creepiest animals found on Earth. They are classified as arachnids which is a class of phylum arthropod. In this class, mites, ticks, and scorpions are also included. So far, more than 48,000 species of spiders have been discovered. As opposed to insects, they do not possess feelers (e.g. antenna). Most
- [Spacecraft](https://science4fun.info/spacecraft/) - Spacecraft are the space vehicles that are able to fly outside the Earth’s atmosphere in the space. They provide us a method of transportation from the Earth to space and objects in it. They are various spacecraft that are familiar to most people e.g. Apollo 11 which took Neil Armstrong and his crew on the
- [Nicolaus Copernicus](https://science4fun.info/nicolaus-copernicus/) - Nicolaus Copernicus is known for his planetary works. A 15th-century expert who was good at not only mathematics and astronomy (the study of planets) but also well known for his skills as governor, diplomat, translator, and economist. Most of his life was spent in Poland and Italy for learning law, math, and the position of
- [Lionfish](https://science4fun.info/lionfish/) - Lionfish dwell in oceans and are known for their venom. They belong to the Genus Pterois and the Indo-Pacific ocean area is their home. It is also popularly known with various names, such as firefish, zebrafish, tasty fish, turkey fish, and butterfly-cod. They are known as invading (attacking) species. What Do They Look Like? Lionfish
- [Leonardo da Vinci](https://science4fun.info/leonardo-da-vinci/) - Leonardo da Vinci is the most admired and genius scholar of the west. He was basically a good painter. His famous paintings of the Mona Lisa and the Last Supper talks about his sharp imaginations. His works were hardly paid attention by scientists of his time. But years and centuries later, when his works proved
- [Goldfish](https://science4fun.info/goldfish/) - The common goldfish are among the most attractive fishes and are loved by children. Its breed belongs to the Prussian carp (a type of fish). It is popularly kept in aquariums. It is a fresh-water fish and is native to Asia. Its selective breeding is known to take place in ancient China about 1,000 years
- [Bison](https://science4fun.info/bison/) - Bison are famous for being among the large and strong animals on the Earth. They belong to genus Bison and the sub-family is Bovinae. So far two species of bison are found living; European and North American species. And the other six species are no more found living anywhere in the world. One example of
- [Al-Kindi](https://science4fun.info/al-kindi/) - Al-Kindi is one of the most popular Muslim scholars of the Golden Age of Islam. He laid the basis of philosophy in the Muslim world. For this, he translated books Plato, Aristotle, and Ptolemy – the Greek philosophers and mathematicians. He introduced the art of secret writing and was also good at writing in design
- [Magnetism](https://science4fun.info/magnetism/) - Magnets are more than just a toy for playing. Today, magnets play important role in shaping our modern world. Everybody is somehow dependent on it. Let’s find out!
- [Archerfish](https://science4fun.info/archerfish/) - Archerfish is also called a spinner fish and pistol fish. They are famous for capturing land insects or other small animals by a mechanism of shooting a powerful stream of tiny water droplets from their mouth. Thus, they are predators. They belong to genus Toxotes which in total contains 10 species. They are found in
- [Al-Farabi](https://science4fun.info/al-farabi/) - Al-Farabi is one of the leading Muslim scholars who studied multiple subjects like politics, philosophy, ethics, logic, Muslim law, mathematics, and music. His endless contributions were not only admired by other scholars but also opened ways for them to observe and work on his subjects. He was a strong follower of the Greek philosopher Aristotle.
- [Nasir Al-Din Tusi](https://science4fun.info/nasir-al-din-tusi/) - Nasir Al-Din Tusi is known for his great contribution in many fields of science. He is one of the well-known Muslim scholars. He worked on various subjects like sun, moon, stars, music, medicine, light and so on. He wrote around 150 books and one detailed essay on a four-sided shape known as Quadrilateral. He lived
- [International Space Station](https://science4fun.info/international-space-station/) - International Space Station, also called ISS for short, is a satellite designed and launched by NASA together with other space agencies. It provides scientists and astronomers a laboratory in Earth’s orbit for experiments that require space environment. The astronauts travel between Earth and International Space Station on spacecraft. Design and Construction One of the most
- [Hubble Space Telescope](https://science4fun.info/hubble-space-telescope/) - Hubble Space Telescope is a very famous space observatory that has been watching the universe since 1990. Its observations have revolutionized the field of astronomy, such as the discovery of dark matter, age of our universe, black holes, and a large number of galaxies. What is Hubble Space Telescope? Hubble Space Telescope (HST) is a
- [Digital Electronics](https://science4fun.info/digital-electronics/) - Digital electronics is the backbone of electronics. Since analog electronic devices failed to meet growing challenges like performance and efficiency, this created the need to transform it into digital electronics. Computers, satellite, medicine, and agriculture are few of the various known fields that have advanced due to their digitization. What is Digital Electronics? It is
- [Al-Battani](https://science4fun.info/al-battani/) - Al-Battani is one of the famous Muslim scholars of mathematics and planetary studies. He was born in the age known as the Golden Age of Islam. With his deep interest in trigonometry – the branch of math that deals with three sides and three angles, he found relations between trigonometric signs like sine, cosine, and
- [Wind Energy](https://science4fun.info/wind-energy/) - Wind energy is a type of renewable energy source because it is not consumed in the process of generating power, and wind is always available around the world.
- [Gravity](https://science4fun.info/gravity/) - Gravity is the force that attracts us and other objects towards each other; much like a magnet, but not as a magnet. Then, why things in your room are not attracted to each other. It is because gravity depends on the mass; Massive objects have more gravity.
- [Light](https://science4fun.info/what-is-light/) - light isn’t made of matter, so it doesn’t have mass. It is just a form of energy (also called electromagnetic energy) that travels at a constant speed from one place to another and reflects from the objects. When it hits our eye, we see the objects from which the light is reflected or emitted.
- [Oort Cloud](https://science4fun.info/oort-cloud/) - Oort cloud is a very large spherical region that surrounds the whole of the solar system including the Kuiper belt. The diameter of the Oort cloud is about 1 light-year (i.e. 9400 billion km) and it starts from 7.5 billion kilometers away from the Sun. What Is Inside The Oort Cloud? Oort cloud is very
- [Moon](https://science4fun.info/moon/) - The name of our Moon which orbits the Earth is Luna and is the 5th largest moon in our Solar System. It is also called a natural satellite and completes one orbit around the Earth in about 27 days.
- [Milky Way](https://science4fun.info/milky-way/) - The Milky Way is a galaxy among the billions of other galaxies in our Universe. It is a cluster of stars and other cosmic objects. It houses at least 250 billion stars excluding the other galactic objects.
- [Kuiper Belt](https://science4fun.info/kuiper-belt/) - Beyond the orbit of Neptune (the eighth planet) lies a large region of dust, debris, and some large objects. The region is called Kuiper belt which mostly houses material left after the formation of the solar system. Kuiper belt is much larger than the asteroid belt and extends up to the last boundary of our
- [Neutron Star](https://science4fun.info/neutron-star/) - Neutron stars are the densest known objects after the black holes found in the universe. They are highly compressed cores of giant stars that are formed after their death as a result of a supernova. The level of their compression is so high that mass equivalent to the sun is fitted into the size of
- [Comets](https://science4fun.info/comets/) - Comets are the space objects that are mostly made of ice and rock. They orbit around the sun in circular and elliptical orbits and are found across the whole solar system.
- [Carbon Cycle](https://science4fun.info/carbon-cycle/) - The carbon cycle is a process that happens continuously all around the Earth. In this cycle, the carbon moves between living things, land, water, and atmosphere in the form of various compounds.
- [Galaxies](https://science4fun.info/galaxies/) - During the night time in a clear sky, you can see a lot of stars scattered all around. Most of the stars that you can see belong to our own galaxy called “Milky Way”. There are many other galaxies that are distributed throughout the universe. You can watch some galaxies clearly with the help of
- [Black Holes](https://science4fun.info/black-holes/) - Black holes are one of the most interesting objects while studying astronomy. They were once considered as objects of science fiction. But today, they are a reality and one of the mysterious objects in the universe. What is a Black Hole? Black holes are objects in our universe that are known for their very strong
- [Asteroids and Meteors](https://science4fun.info/asteroids-and-meteors/) - Asteroids were first discovered in 1801 and since then, there have been over 150 million discovered asteroids measuring over 100 meters in size. The first asteroid to be discovered was Ceres which is also the largest asteroid in our solar system. What is an Asteroid? Asteroids are the solid objects mostly made of rocks and
- [Mercury](https://science4fun.info/mercury/) - Mercury is the closest planet to the sun in our solar system. It is smaller in size and very hot as compared to other planets but its size is comparable to Earth’s Moon. Mercury has an iron core, which is very larger than other rocky planets that makes mercury’s mass heavy as compared to its size. Mercury rotates very slowly on its own axis, which makes a single day on the Mercury almost equals to 58.7 Earth days but its year is much shorter, it takes 88 Earth days to complete one revolution around the Sun.
- [Venus](https://science4fun.info/venus/) - Venus is the second closest planet to the Sun. It is a very interesting planet which looks similar in size to the Earth and sometimes called sister of the Earth. Venus has a little less gravity than the Earth, an object weighing 100 kg on the Earth would 91 kg on Venus.
- [Earth](https://science4fun.info/planet-earth/) - Planet Earth is the home of living things. It is the most unique and amazing planet in the entire solar system. It is the third closest planet to the sun and the largest planet among the four terrestrial planets (other are Mercury, Venus and Mars). Terrestrial planet means that our earth has the rocky surface. Earth has only one moon known as “Luna”, which is the fifth largest moon in the solar system, whose orbital period is 27.3 days. The Moon is 3,84,448 Km (2,38,885 miles) away from the Earth.
- [Mars](https://science4fun.info/mars/) - Mars, also known as “red planet” due to its reddish color. It is the fourth closest planet to the Sun and a terrestrial planet means its surface is rocky like our Earth. Mars is smaller in size than the Earth, if the Earth is the basketball than Mars would be the size of a softball. Mars has two moons one is “Deimos” and other is “Phobos”. Phobos is the closest moon to the Mars that orbits at 5,954 Km (3,700 miles). It is closer than any other moon that around their parent planet.
- [Jupiter](https://science4fun.info/jupiter/) - Jupiter is fifth closest planet to the Sun. It is the largest of all the planets in our solar system. Jupiter is 318 times massive than our Earth and two times more massive than all the planets of solar system combined. Jupiter is not a terrestrial planet, it comes in another class of planets known as “Gas Giants” means it doesn’t have a solid surface. Jupiter spins faster on its own axis than Earth does, so the length of its day is 9.92 hours.
- [Saturn](https://science4fun.info/saturn/) - Saturn is the sixth closest planet to the Sun. It is the second largest planet in our solar system and 95 times more massive than the Earth. It is very beautiful and famous planet due to its beautiful rings that orbit around it. It comes in the class of planets known as the “Gas Giants” because it doesn't have the solid surface as it is on our Earth. Saturn spins so fast that its day length is 10.7 hours, but its year is 29.4 Earth years because its orbit is much farther than the Earth.
- [Pluto](https://science4fun.info/pluto/) - Pluto is a dwarf planet, it is no longer the member of planets since 2006. However, Pluto was considered a planet since its discovery in 1930, by Clyde Tombaugh. Because scientists have found many planet-like bodies similar to Pluto, so there was a need for defining the term “Planet”.
- [Uranus](https://science4fun.info/uranus/) - Planet Uranus comes at the 7th position in the solar system from the Sun. It is smallest of the four “Gas Giants”, but 14.5 times massive than the Earth. Uranus don’t have the solid surface like the Earth, so it comes in the class of “Gas Giants” like its neighbor planets (Jupiter, Saturn and Neptune),
- [Neptune](https://science4fun.info/neptune/) - Neptune is the 8th and the last planet in our solar system. Actually, the last planet was Pluto but it was excluded from the list of planets in 2006 and placed in a new class known as “Dwarf Planet”. Neptune is placed in the class of “Gas Giants” due to the lack of solid surface in it. It orbits around its own axis faster than the Earth, so it has day length of 16 hours. It completes its one revolution around the Sun in 164 Earth years.
- [Universe](https://science4fun.info/universe/) - The universe is a sort of thing in which everything, which we know of, lives including humans, Earth, planets, stars, black holes, and galaxies etc. Our universe is full of mysteries and unexplained events that amaze scientists around the world regularly. What is the Universe? The definition of the universe is still incomplete because there
- [Sun](https://science4fun.info/sun/) - The Sun is one of the stars that you see in the skies during night time, but it is the only star in our solar system. All the planets, including our Earth, orbit around the sun due to its immense gravity. Also, life is possible on Earth due to the presence of the Sun. There
- [Stars](https://science4fun.info/stars/) - Stars are the giant balls of gas that burn very hot and bright that they become visible to us during the night. Most of the stars are made of hydrogen and helium gas.
- [Solar System](https://science4fun.info/solar-system/) - Our solar system is a set of the Sun and the objects that orbit around it. The objects that orbit around the Sun include planets, dwarf planets, moons, asteroids, and comets. The sun and these objects are bound together with gravitational force. Objects In The Solar System Let’s discuss the objects in our solar system
- [Tardigrades](https://science4fun.info/tardigrades/) - Meet one of the smallest animals, the tardigrade, one of the most resilient and toughest animals found on the Earth. Tardigrades are very famous for surviving almost all the extremes conditions, e.g. space, volcanoes, high pressure, dryness, hot, and cold. What Extreme Environments Tardigrades Can Survive? There have several reports from many scientists that, tardigrades
- [Radioactivity](https://science4fun.info/radioactivity/) - Radioactivity is a very famous term in nuclear physics and chemistry that describes how unstable atoms release certain radiations for the purpose of getting stability. You may have probably heard about uranium, a radioactive element, used for making atomic bombs and electricity from nuclear power plants. It is possible due to the radioactive nature of
- [Organic Chemistry](https://science4fun.info/organic-chemistry/) - Organic chemistry is simply a branch of chemistry that deals with compounds that contain carbon atoms. In other words, the whole organic chemistry revolves around carbon due it is unique properties.
- [Marie Curie](https://science4fun.info/marie-curie/) - Marie Curie is one of the most famous lady scientists who became the first lady to earn a Nobel Prize. She also won a 2nd Nobel Prize for discovering two new elements and also became the first person for getting two Nobel Prizes. Early Life Marie Curie was born in 1867 in Poland that was
- [Ozone Layer](https://science4fun.info/ozone-layer/) - The ozone layer is one of the most important parts of our Earth that helps in sustaining life on the Earth. It is the layer of gas, called ozone, in the upper atmosphere which helps in protecting the living things from the deadly strong ultraviolet radiation of the Sun. What is Ozone? Ozone is a
- [Ibn Al-Nafis](https://science4fun.info/ibn-al-nafis/) - Ibn Al-Nafis is one of the greatest scientists during the period of the Golden Era of Muslims. He was a famous physician and researcher. He has discovered cures of several diseases and described the blood circulation in the human body in detail. Early Life Ibn Al-Nafis belonged to an Arab family and was born in
- [Louis Pasteur](https://science4fun.info/louis-pasteur/) - Louis Pasteur, also known as the father of germ theory, is among the greatest scientists whose discoveries changed our world. Louis Pasteur is famous for developing vaccines to save humans and animals from deadly diseases. Also, he discovered that many diseases in humans and animals are due to germs. Early Life Louis Pasteur was born
- [Richard Feynman](https://science4fun.info/richard-feynman/) - Richard Feynman is among the most famous and influential scientists of the 20th century. He has discovered many things in physics, especially quantum mechanics. His work in quantum mechanics is considered to be revolutionary which got him Nobel Prize in 1965. Early Life Richard Phillips Feynman was born in New York City in the year
- [Stephen Hawking](https://science4fun.info/stephen-hawking/) - Stephen Hawking is among the most famous scientists in the 21st century whose works on physics were revolutionary in science. He worked on black holes and removed the misconception that black holes can’t die. He also provided a link that unites both quantum theory and theory of relativity. Early Life Stephen Hawking was born in
- [Nikola Tesla](https://science4fun.info/nikola-tesla/) - Nicola Tesla is one of the most famous electrical engineers who invented many things, such as a wireless electrical transmission system (experimental) and AC transmission system. The most important invention that is made is the transmission of electricity by alternating current, which solved the problem of transmitting electric power to very large distances. Early Life
- [Michael Faraday](https://science4fun.info/michael-faraday/) - Michael Faraday has played a vital in developing laws of electromagnetic induction, which are used in electric generators and transformers. For this reason, he is also called the father of electricity because today all generators in power stations work on his discovered principles. Early Life Michael Faraday belonged to a poor family and was born
- [Biomass Energy](https://science4fun.info/biomass-energy/) - Biomass is the term used to describe the material produced by plants and animals. Biomass is full of energy and can be used to generate power and electricity.
- [Tidal Energy](https://science4fun.info/tidal-energy/) - Tidal energy or tidal power is a source of renewable energy, obtained from the tides of an ocean. It can be used to generate power and electricity.
- [Geothermal Energy](https://science4fun.info/geothermal-energy/) - Geothermal energy refers to the internal heat energy of our Earth. Geothermal energy is considered a renewable energy source because it is constantly renewed by the core of our Earth.
- [Hydropower](https://science4fun.info/hydropower/) - Hydropower is the energy from the flowing water. Flowing water has kinetic energy due to the motion, which is achieved as a result of falling from the heights.
- [Solar Energy](https://science4fun.info/solar-energy/) - Solar energy refers to the energy from the Sun. It comes to our Earth in form of sunlight and is the widely available form of the energy. It is found at every place, where the Sun is shining.
- [Isaac Newton](https://science4fun.info/isaac-newton/) - Isaac Newton is a big name in the field of science and mathematics who has developed many laws of physics, some of which are the law of gravitation and laws of motion. He also founded new branch mathematics, called calculus, which very important branch of mathematics in these days. Other than this, Newton worked on
- [Thomas Edison](https://science4fun.info/thomas-edison/) - Today, we all have electric lightings installed in our homes to lighten our houses in darkness. Electric lightings were first used in houses after the invention of the incandescent light bulb, whose credit goes Thomas Edison. Thomas Edison developed and improved the idea of electric lightning and made it economically viable so that people can
- [Avicenna (Ibn Sina)](https://science4fun.info/avicenna-ibn-sina/) - Avicenna was a famous physician, astronomer, philosopher, and thinker of the Golden Era of Muslims. He is very famous due to his work on medicines and cures of various diseases. His books on medicines were used to teaching students from the 11th century to the 17th century. Due to this reason, he is also referred
- [Alexander Graham Bell](https://science4fun.info/alexander-graham-bell/) - Telephones are one of the most important inventions that allow us to talk with friends and family member living very far from us. The credit for the invention goes to a great inventor, Alexander Graham Bell. He was interested in the science of sound and always wanted to somehow send sound waves over the electrical
- [Galileo Galilei](https://science4fun.info/galileo-galilei/) - Galileo Galilei was one of the greatest scientists and astronomers who discovered many scientific facts and astronomical objects. He was also famous for developing and improving the refractive telescopes which allowed him to discover many new objects in the space – including moons of Jupiter. Galileo also proved that planets in our solar system orbit
- [Albert Einstein](https://science4fun.info/albert-einstein/) - Albert Einstein is widely known and famous scientists for his efforts in many scientific discoveries. He is considered to be the most creative and intelligent people of the 20th century. He is well known for very famous equation, E = MC2, which describes the relationship between energy and mass. Early Life Albert Einstein was a
- [Batteries](https://science4fun.info/batteries/) - Today batteries are very common devices in every portable electronic device. You smartphones contain a battery so that you can use your smartphone without being connected to the power socket all the time. Batteries are used in the vehicles for self-starting and running electronics smoothly. What are the Batteries? Batteries are electronic devices which can
- [Electric Motor](https://science4fun.info/electric-motor/) - Electric motors are one of the most common electrical machines that can be found in a wide range of electronic devices. You will find several items in the home which contain motors in it, such as fans, grinders, mixer, moving toys, and vacuum cleaners. What Are Electric Motors? Electric motors are the electrical machines that
- [Transformer](https://science4fun.info/transformer/) - Transformers are one of the most important electrical machines that you may be familiar with. They can be observed on poles that distribute electricity to houses and building in many nations. But in developed nations and densely populated cities, it is very hard to find them on local poles because they are buried in the
- [Relay](https://science4fun.info/relay/) - Electrical relays are one of the important electrical devices that are used in many heavy-duty machines, such as air conditioners. These devices may be less known to common men, but any person having some technical knowledge probably know about it. Let’s understand these devices and their usage in more details. What are Relays? Relays are
- [Color Changing Liquid](https://science4fun.info/color-changing-liquid/) - Color changing liquid is one of the most interesting magic tricks behind which lies the principle of science. This experiment demonstrates a clock reaction in the chemistry in which a clear liquid suddenly changes its color to dark blue. The time to turn a clear liquid into a dark blue color can be changed by
- [Car](https://science4fun.info/car/) - Cars are one of the most important and widely used methods of transportation. People use them to travel small and long routes for picnics, offices, schools, and other travels. Today, cars have very different shapes as compared to early cars and their engines are powerful too. You won’t say early cars as a true car
- [Television](https://science4fun.info/television/) - Televisions are useful and important devices that we use on a regular basis for watching News, Movies, and Informative Programs. They have changed the lifestyle of people and provided good entertainment. Televisions, as you see them today, were not invented by a single person. But, it was the result of many inventors who contributed to
- [Virus](https://science4fun.info/virus/) - Virus is known to most of the people because we usually hear about viral infections, such as flu. Viral infection can make a person very ill, and many viral infections even cause death, such as AIDS. Moreover, they also have the ability to infect all kinds of living things, which include plants, animals, and bacteria.
- [Skin](https://science4fun.info/skin/) - Human and most of the animals are covered with a special organ, called skin. Skin is one of the important organs in our bodies which gives us protection and beauty. We are mostly recognized by our facial skin and other facial features. Let’s learn about this amazing organ in the human body and its functions.
- [Fungi](https://science4fun.info/fungi/) - Have you ever tasted a mushroom dish? Mushrooms are the type of living creatures that don’t belong to plants or animals. They are a different group of creatures, called fungi, which have their own characteristics and structures. What are Fungi? Fungi are the living creatures that are different from plants and animals. They are classified
- [Proteins](https://science4fun.info/proteins/) - Proteins are one of the most essential nutrients required by the human body. It is one of the most known nutrients to people because these are necessary for building muscles of the body. Moreover, the body of an average person contains about 15% proteins by weight. What Are Proteins? Proteins are organic molecules that are
- [Protists](https://science4fun.info/protists/) - All the living organisms on the Earth have been divided into six biological kingdoms. Protists are the living things that have their own kingdom, called Protista, among the six kingdoms. Protists are very diverse organisms and are different from plants, animals, and fungi that you may be familiar with. Characteristics of Protists Protists are unicellular
- [Influenza](https://science4fun.info/influenza/) - Have you ever suffered from runny nose or cough? Absolutely yes, most of the people have experienced them. These are actually the symptoms which are caused when our body gets infected with influenza – commonly referred to as flu. What is Influenza? Influenza is an infectious disease caused by certain type of viruses infecting the
- [Muscular System](https://science4fun.info/muscular-system/) - Animals and human can perform various kinds of movements due to the muscles in the body. Muscles are spread throughout the body and form their own system, called the muscular system, which allows the body to perform all the movement. You can consider the muscular system as an engine and the skeletal system as a
- [Blood](https://science4fun.info/blood/) - Blood is the most essential fluid in our body for keeping us alive. We human will not be able to survive if the level of blood in our body becomes too low. Blood needs to be at its optimum level with all the necessary things to keep us healthy and alive. What is Blood? Blood
- [Carbohydrates](https://science4fun.info/carbohydrates/) - People mostly categorize the food in terms of carbohydrate they contain, because food with a high amount of carbohydrate can make you fatty. Food items that are high in carbohydrates are rice, candies, cakes, and other items with high sugar content and starch. What Are Carbohydrates? In the field of biology and chemistry, carbohydrates are
- [Lipids](https://science4fun.info/lipids/) - Fats are often discussed when planning a diet for losing weight. Fats and some other substances are the forms of lipids that are required by our body. People with the problem of dry skin are often referred with skin lotions that contain natural or synthetic lipids to keep the skin moist and soft. What are
- [Organs](https://science4fun.info/organs/) - Organs are part of humans, animals, and plants that perform a specific function or task in the body. They are formed from tissues which are similar to each other in functioning. Organs mostly work in systems of the body to perform a larger task. Major Organs The human body and the bodies of animals and
- [Nervous System](https://science4fun.info/nervous-system/) - Our body constantly communicates with the brain in which it sends and receives messages from the brain. The communication of the brain with all the body parts is possible due to the nervous system. The nervous system of humans consists of the brain, spinal cord, and complex network of nerves that spread across the whole
- [Digestive System](https://science4fun.info/digestive-system/) - We require energy to perform physical and mental activities. We get the energy and necessary minerals and vitamins – for proper functioning – from food that we eat. When we eat food, it is the job of the digestive system to process this food and breakdown the food into chemicals that our body can use.
- [Bacteria](https://science4fun.info/bacteria/) - Bacteria are one of the microorganisms which are familiar to most people. Many people consider the bacteria as a cause of disease, or they always cause harm to humans and other organisms. But the reality is opposite, many bacteria are also helpful for humans, animals, and plants. What are the Bacteria? Bacteria are the small
- [Immune System](https://science4fun.info/immune-system/) - Our body is constantly fighting with many kinds of microbes which include bacteria, viruses, and parasites that constantly attack our body. These microbes are present outside of the body, the skin, and inside the body. Our body fights them with the help of immune system. Immune system is a collection of some organs, cells, and
- [Brain](https://science4fun.info/brain/) - Humans are the most intelligent creatures on the Earth due to the most powerful and complex organ, the brain. The connections and make-up of our brain are what make us different from all the animals. We can think new ideas, simulate the physical situations, save memories, and make judgments by analyzing the situation due to
- [Skeletal System](https://science4fun.info/skeletal-system/) - We, humans, are equipped with bones that help us to structure our body without wasting energy. Because when we are standing still or walking, the bones are structuring and providing rigidity to our body. If we don’t have bones in our body, then the body has to structure itself with muscles – wasting a lot
- [Enzymes](https://science4fun.info/enzymes/) - Enzymes are one of the most important protein molecules that are required by our body to work properly. Enzymes are used in various chemical reactions that happen inside our body and the cell. Let’s discuss the enzymes in more detail. What are Enzymes? Enzymes are the molecules which help chemical reaction in the body, and
- [DNA](https://science4fun.info/dna/) - DNA is one of the most familiar terms to most of the people because this term is used in sci-fi movies, comics, and genetic tests. DNA is a very famous term whose few things are known to common man along with many misconceptions. What is DNA? DNA stands for deoxyribonucleic acid, which is a molecule
- [Diabetes](https://science4fun.info/diabetes/) - Diabetes, also known as diabetes mellitus, is a disease in which a group of metabolic disorders happens. This result in an increase in blood sugar level for a long period of time. Higher blood sugar causes many problems in the body, which includes damage to heart, kidneys, and some other organs. If the diabetes is
- [Cancer](https://science4fun.info/cancer/) - Cancer is one of the deadliest diseases that is affecting the people around the world for various reasons. According to a report from the American Cancer Society that was published in 2018, there were more than 15 million people living in the United States alone that were affected by cancer. The number of people in
- [Cell](https://science4fun.info/cell/) - All the living things you see around yourself are made of tiny creatures called cells. Cells are the fundamental block of any form of life, whether it be animal or plant. A living organism can be as small as a single cell and can be as big as a blue whale which is made of
- [How Rainbows work?](https://science4fun.info/how-rainbows-work/) - Rainbows are one of the beautiful masterpiece of nature. When they appear during rain they catch everybody’s attention by their beautiful seven bands of color in circular arc shape. Rainbows have inspired many artists and writer from centuries and many fairy tales were mainly inspired by them. Rainbow presents demonstration of dispersion of light and
- [Mercury Element](https://science4fun.info/mercury-element/) - Meet the element mercury which is liquid at room temperature with an atomic number of 80. It is silvery in color and is classified as a transition metal.
- [Plate Tectonics](https://science4fun.info/plate-tectonics/) - We walk regularly on land and think that it is fixed and does not move. But in reality, the land on which we walk also move. Then why we can’t feel its movement? It is because the movement of the land is so slow that we can’t notice. It only moves a few centimeters each
- [Sodium](https://science4fun.info/sodium/) - Sodium is a metallic element which belongs to the alkali group in the periodic table. It is one of the most known metal due to compound, sodium chloride, which is common table salt that we use in our food.
- [Ice Ages](https://science4fun.info/ice-ages/) - What is an Ice Age? Our Earth has experienced very long periods of time in which the average temperature of the Earth has dropped. These periods are called ice ages and they resulted in the expansion of glaciers all around the Earth. Most of the land area in Northern Europe and North America were covered
- [Fossils](https://science4fun.info/fossils/) - Do know about dinosaurs? Of course yes, because most of the people are familiar with them. We know dinosaurs and some other creatures such as mammoth (large elephant) because of fossils. Paleontologists study the fossils and try to find out how the creatures may have looked like when it was alive. Let’s learn more about
- [Erosion](https://science4fun.info/erosion/) - Our Earth has many beautiful natural landforms that attract a ton of tourists each year. For example, the Grand Canyon is a very popular place to visit in the USA that was made due to erosion by water. Let’s learn more about erosion; its causes and effects. What is Erosion? Erosion is a process in
- [Zinc](https://science4fun.info/zinc/) - Zinc is a metallic element which is a shiny bluish-white in color. It has an atomic number of 30 and is 24th in the list of most abundant elements on the Earth’s crust.
- [Uranium](https://science4fun.info/uranium/) - Uranium is a very famous element due to its use in atomic bombs and in nuclear power plants. The atomic bomb that the United States dropped on the Hiroshima was also made from Uranium element.
- [Tornado](https://science4fun.info/tornado/) - One of the most extreme forms of weather is the tornado. It is a funnel-shaped long column of rotating air at very high speed. They have the base at the ground and their top usually meets with cumulonimbus cloud. Tornadoes are known for their destruction which they cause; an average tornado can rip apart small
- [Hurricane (Tropical Cyclone)](https://science4fun.info/hurricane-tropical-cyclone/) - Hurricane is an extreme form of weather in which winds circulate at very high speed – sometimes called rapidly circulating or rotating winds. Winds in the hurricane circulate at a speed of 70 to 200 miles per hours and last for many days or weeks. It is also accompanied by heavy rain and loud thunders.
- [11 Ways Plants Make Human Healthier](https://science4fun.info/11-ways-plants-make-human-healthier/) - Plants are the beautiful and most necessary part of nature. They provide us with wood, food, oxygen, and some chemicals. Beside this, plants also make our houses and cities beautiful when grown. Furthermore, plants also make us healthier when we interact with them and take care of them. Here is the infographic that will tell
- [Aluminum](https://science4fun.info/aluminum/) - Aluminum is a very famous metal which is used in most of the everyday products that are made of metals. It is a chemical element with an atomic number of 13 and belongs to post-transition metals.
- [Calcium](https://science4fun.info/calcium/) - Calcium is a naturally occurring metallic element and it is one of most known metals to the people. Because we usually hear from our health advisers and doctors that everybody needs calcium.
- [Silicon](https://science4fun.info/silicon/) - Silicon is a chemical element and is mostly known for its use in computer processors and integrated circuits. It is the 2nd most abundant element on the Earth’s crust, and the minerals of silicon make about 90% of the crust.
- [Chlorine](https://science4fun.info/chlorine/) - Chlorine is a chemical element that occurs in the gaseous state under normal conditions. It is very choking gas if inhaled in higher concentrations. You may be familiar with this gas if you are a swimmer because in swimming pools this gas is used to kill germs.
- [Helium](https://science4fun.info/helium/) - Helium is a chemical element which is the 2nd lightest gas after the hydrogen. Helium is available in very small quantity on the Earth but it is the 2nd most abundant element in the universe.
- [Magnesium](https://science4fun.info/magnesium/) - Magnesium is a chemical element which is loved by many people because it is used in fireworks and gives bright white light. It is the 18th most abundant element on our Earth and makes about 13% of the Earth’s weight.
- [Lead](https://science4fun.info/lead/) - Lead is a chemical element which is the densest than all the non-radioactive elements. It is a soft metal having an atomic number of 82 after which radioactive heavy metals start in the periodic table.
- [Water Cycle](https://science4fun.info/water-cycle/) - The water cycle is a continuous process that happens all the time around the earth. This process is very crucial in delivering the water from oceans to lands, and back again.
- [Weather](https://science4fun.info/weather/) - Weather is the part of everyone’s life. Every day we go outside and find different weather from the previous day. Sometimes it is raining, sunny, or cloudy. Weather is different at different locations at the same time. For example, it can be raining in one area, while sun shining on the other area. We often
- [Dragonfly](https://science4fun.info/dragonfly/) - Dragonflies are one of the most beautiful insects in the world. They have very good variety of colors on their bodies. There are more than 3,000 species of dragonflies living all around the world.
- [Penguins](https://science4fun.info/penguin/) - Penguins are the birds that can’t fly, despite having wings. But, they love to swim and spend almost 75% of their time in the oceans.
- [Cat](https://science4fun.info/cat/) - Cats are the popular pets around the world. They are loved by most of the people and have been with humans for thousands of years. Cats are the carnivores; means they eat meat. They belong to the scientific family ‘Felidae’. There are two subfamilies belonging to Felidae, which are Pantherinea and Felinae. Pantherinea: This subfamily
- [Dog](https://science4fun.info/dog/) - Dogs are the best friend of humans since thousands of years. They are considered as loyal friends of humans. People around the world adopt the dogs because they are good pets. Dogs have very strong sense of smell. Due to this reason, they are trained by the police department to sense and detect the drugs,
- [Elephant](https://science4fun.info/elephant/) - Elephants are the intelligent and largest land mammal on the Earth. They are very famous for their long trunk and curved tusks. They are very intelligent animals, they are able to use tools and can be taught to do a certain work. Many folk tales remember the elephants as “the animal that never forgets”. There
- [Oxygen](https://science4fun.info/oxygen/) - Oxygen is a vital element for all the living things on Earth. Almost all the living things need the oxygen to survive and stay alive. Oxygen has transformed our Earth from deserted planet to a green planet.
- [Herbs](https://science4fun.info/herbs/) - Herbs are usually leafy green part or flowers of a plant. They may be used fresh or in dried form depending on its use. Herbs have been used by humans from very long time ago. People have been using herbs for flavoring, medicines, and cosmetics.
- [Cocoa Beans](https://science4fun.info/cocoa-beans/) - Cocoa beans are the seeds of cacao plant that are extracted from its fruit called “pods”. When the seeds are removed from pods, they are very moist.
- [Cactus](https://science4fun.info/cactus/) - Cactus is a plant which is covered with spikes and grows in dry places. Cactus is a singular word that only refers to one plant, but if you want refer many plants than use its plural form which is “cacti”. Cactus is the member of “Cactaceae” family of the plant. There are about 1750 known
- [Elements](https://science4fun.info/elements/) - What is an Element? An element is a substance which is made of the same kind of atoms. The smallest piece of an element is the single atom. The chemical elements combine together to produce new substances. All the matter you see around yourself is composed of these elements. For example Iron, Aluminum, oxygen, gold,
- [Sulfur](https://science4fun.info/sulfur/) - Sulfur is a chemical element in the periodic table having the atomic number of 16. It is mostly known for causing very bad smells, but in reality, the pure sulfur is odorless nonmetal element.
- [Crystals](https://science4fun.info/crystals/) - What are Crystals? Crystals are the type of solids, which are the organized arrangement of atoms in a particular shape, and have a regular shape. Crystals are mostly identified with their shining and smooth flat surface. We all see the crystals in our daily lives, without even noticing them. For example, the sugar cubes and
- [Hydrogen](https://science4fun.info/hydrogen/) - Hydrogen is the lightest and the first element of the periodic table. Its atomic structure is very simple, which is composed of only one proton, and one electron.
- [Nitrogen](https://science4fun.info/nitrogen/) - Nitrogen is a gas with 7 protons and 7 neutrons in its nucleus. It is the major building block of our atmosphere. Our atmosphere is the mixture 21% oxygen, 78.1% Nitrogen, and 0.9% other gases.
- [Lakes](https://science4fun.info/lakes/) - Lakes are one of the beautiful points to visit offered by nature. They are found in most of the countries and are used for various purposes including irrigation of agricultural fields. There are freshwater lakes as well as saltwater lakes – depending on the location and conditions. What is a Lake? A lake is stored
- [How to Make Hoop Glider](https://science4fun.info/how-to-make-hoop-glider/) - You have probably seen planes; all with flat wings. But, have you seen anything flying with curly or round wings. Can a curled wing plane fly in the air? Let’s do an experiment to find out what will happen if we replace the flat wings of a plane with hoops. Let’s see how a plane
- [Global Warming](https://science4fun.info/global-warming/) - Global warming is the gradual rise of the earth’s average temperature. Its effects on the life are very devastating, forcing many species throughout the globe into extinction
- [Voltage, Current, and Resistance](https://science4fun.info/voltage-current-and-resistance/) - Voltage Voltage is an electrical pressure, which forces the electric charges (electrons) to move in an electrical circuit. Voltage is measured in volts, abbreviated as ‘V’. To understand the concept of voltage, consider a water pump which is pumping the water. The pump pushes the water to flow in the pipes. The pump acts like
- [Oceans](https://science4fun.info/oceans/) - An ocean is a large and open body of water. Oceans are salty and cover most of the earth surface – about 71%. Most of the times the word oceans is confused with “sea”, but oceans and sea are different.
- [What is Friction](https://science4fun.info/what-is-friction/) - You may be listening to the word friction from your childhood that it slows down the vehicles and wear out the machine part. That is true! Friction causes resistance in motion. It is also a force that acts in opposite direction of motion. When you put a brake on your bicycle, it stops suddenly because
- [Acids and Bases](https://science4fun.info/acids-and-basis/) - Acids and bases are everywhere around us in different types of liquid, they are present in fruits you eat and in the things you use e.g. vinegar, soda bottle, liquid dishwashing soap etc. Acids normally taste sour and bases feel slippery and taste bitter. Water has the ability to act like acid or bases depending
- [States of Matter](https://science4fun.info/states-of-matter/) - A matter is anything which occupies space and has mass. It is all around us and made up of atoms and molecules of different kinds. We all are made up of matter and we use matter in our daily lives in different forms e.g. eating food, drinking water, sitting on chairs, riding on bicycles, breathing
- [Carbon](https://science4fun.info/carbon/) - Carbon can be considered as a vital element found on the Earth. All the life forms (animals and plants) that you see around yourself are because of the carbon.
- [Mountains](https://science4fun.info/mountains/) - A mountain is a geological landform that is very large – exceeding more than a 1000 feet in height. Whereas, landforms below a 1000 feet are called hills.
- [Copper](https://science4fun.info/copper/) - Copper is a metal that was one of the first metal to be used by mankind. People used to make tools from it to make their living easier. Copper has 29 protons and 34 neutrons in its nucleus.
- [Nickel](https://science4fun.info/nickel/) - Nickel is a metal which is classified as a transition element. Its nucleus contains 28 protons and 30 neutrons, which is orbited by 28 electrons. Nickel is located in the first row of the 10th column of the periodic table
- [Platinum](https://science4fun.info/platinum/) - Platinum is one of the most precious metals found on the Earth. It is more valuable and rare metal than silver and gold. It looks very pretty and shiny.
- [What is Atom](https://science4fun.info/what-is-atom/) - Atom is the smallest building block of an element – it can’t be further broken by any chemical process. Everything you see around yourself is made of trillions-of-trillions atoms. Atoms are so small that, it is not possible to see them with a powerful microscope. Only specialized microscopes (electron microscope) are able to zoom the
- [How to Make a Balloon Rocket](https://science4fun.info/how-to-make-a-balloon-rocket/) - Balloon rocket is a simple science experiment to understand the newton’s third law. Which states that, “Every action has reaction”. You will build a simple rocket out of a balloon and a straw that will slide over a string by producing thrust. Precaution: Always wear safety goggles and hand gloves when dealing with chemicals. Also, take
- [Glaciers](https://science4fun.info/glaciers/) - Glaciers are large bodies of ice on a land area of the earth. They cover a large surface area that is about 10% of the total land area of our earth.
- [Gold](https://science4fun.info/gold/) - Gold is one of the precious metals found on the Earth. Its shiny surface has attracted people from ancient times. People have made coins and jewelry from it.
- [Chemical Bonding](https://science4fun.info/chemical-bonding/) - A chemical bond is an attractive force that binds atoms together to form new compounds. These bonds are formed in a process called chemical reaction.
- [Land Pollution](https://science4fun.info/land-pollution/) - What is Land Pollution Land pollution is a worldwide issue in these days. It is the unnecessary materials that contaminate and damage our land. You have probably seen garbage on the streets that are not cleaned very often. This garbage is also the form of land pollution. Causes of Land Pollution Land pollution is caused
- [Floating Eggs in Salt Water](https://science4fun.info/floating-eggs-in-salt-water/) - It is commonly observed that eggs will sink to the bottom of the water when they are placed in ordinary tap water. So, how this happens? And how eggs float in salt water? We will do a simple classic salt water and egg experiment to understand the science behind it. Precaution: Always wear safety goggles and
- [Light Bulb](https://science4fun.info/invention-of-the-light-bulb/) - Today electric lights have become the important and highly used appliance in our daily lives. We need it for lighting our houses, building and streets etc. Today we have handheld portable lights that can provide a backup time of more 12 hours. The technology that we use today may be different from the past, but
- [Geysers](https://science4fun.info/geysers/) - A geyser is a fountain of water that erupts hot water and steam at a high pressure. The eruption occurs for some time and then stops and again continues.
- [Iron](https://science4fun.info/iron/) - Iron is a very useful metal used in the modern world. It shapes our building structures and flows in the Earth’s core as a liquid to sustain its geomagnetic field.
- [Lasers](https://science4fun.info/lasers/) - A laser is just a device that emits light, but it is different from light bulbs or LEDs. So, what makes them different? The main difference is that lasers emit coherent light.
- [Diesel Engine](https://science4fun.info/invention-of-diesel-engine/) - The diesel engine is a type of the internal combustion engine – an engine that burns fuel internally. It was invented by a German engineer Rudolf Diesel, and the engine was named after him. The diesel engine was designed to improve the efficiency of internal combustion engines so that more distance can be traveled. Engines
- [Cotton Gin](https://science4fun.info/invention-of-cotton-gin/) - The cotton gin is a machine that is used to separate the seeds from cotton fibers. Before the invention of cotton gin, people had to separate the seeds with their hands. This manual separation process was very time consuming and laborious. But the invention of cotton gin revolutionized the industry of cotton. Cotton gin highly
- [Tsunamis](https://science4fun.info/tsunamis/) - Tsunamis are a number of giant waves that occur in oceans or large lakes. These waves grow stronger and stronger upon reaching towards shores. They are one of most destructive events.
- [Conductors and Insulators](https://science4fun.info/conductors-and-insulators/) - Electric current tends to follow the easiest path in a circuit. Some materials are good at passing an electric current through them, while others completely block the current. These materials are called conductors and insulators.
- [What is Electricity?](https://science4fun.info/what-is-electricity/) - Electricity is the source of energy that is widely used by the peoples around the world. Today, life can’t be imagined without electricity. We use it all the time for lighting our houses, powering smartphones and computer etc. You have to just push a button and you have the electricity powering your appliances. So, what
- [How Electricity is made?](https://science4fun.info/how-electricity-is-made/) - Electricity is a widely used source of the energy. Which we use all the time to power our homes, schools, offices and industries etc. Today almost every common household appliances use electricity as a power source. So, how this electricity is made and supplied to your homes? Let’s see a basic principle of electromagnetism to
- [Electronic Circuit](https://science4fun.info/electronic-circuit/) - What is Electronic Circuit? An electronic circuit is a path, in which electric current can flow. A basic circuit is the combination of electrical components, which are wired together. The electronic circuit is made to do a certain job out of electricity. Schematic The drawing of an electric circuit is called schematic. It is used
- [Ohm's Law](https://science4fun.info/ohms-law/) - Ohm’s law is the fundamental law in the field of electricity. It was discovered by George Ohm, and named after him. Ohm’s law provides the relationship between current, voltage, and resistance. It states that, the voltage across any resistance is equal to current times the resistance. V = I*R You can also find the current
- [Bicycle](https://science4fun.info/invention-of-bicycle/) - Bicycles are very famous for traveling to nearby points. They also improve the health of a person who regularly uses it instead of bikes or cars. Bicycles as we know it today were not invented by a single person in present-day shape. Instead, its development took about 200 years and many inventors contributed to its
- [Caves](https://science4fun.info/caves/) - Caves are one of the amazing geological features that are present in mountains, ground, and underwater. They are very famous as a tourists point around the world.
- [Deserts](https://science4fun.info/deserts/) - Deserts are the regions of the earth that get very low rainfall annually. As a result, their land is so dry that only a few species of animals and plants can survive there.
- [Rainforest](https://science4fun.info/rainforest/) - The forest that receives a lot of rainfall throughout the year with warm temperatures is called rainforest. The rainforests receive about 250 to 450 cm of rainfall annually.
- [Seed Germination](https://science4fun.info/seed-germination/) - Plants are the living things that grow from tiny seeds or spores to mighty trees. They start their life as a weak creature that thrives on ground and water to grow. The starting point of their life is due to a process called germination. Germination allows the seeds – and also spores – to sprout
- [Heat Transfer](https://science4fun.info/heat-transfer/) - Heat transfer Occurs when Temperature difference in the system exist. In our environment heat transfer occur all the day. Heat normally flows from higher temperature body to lower temperature body
- [Volcano](https://science4fun.info/volcano/) - A volcano is built when magma below the surface of earth rises and starts to form gas bubbles from the gas that is dissolved in it like the soda which has carbon dioxide dissolved.
- [Earthquake](https://science4fun.info/earthquake/) - Our Earth is made up of four layers, Crust, Mantle, outer core and inner core. The outer layer on which we stand is called crust. This outer layer isn’t made of one piece solid but it is made of several pieces called “plates”. These plates are connected together like a jigsaw puzzle. Their joints are
- [Sewing Machine](https://science4fun.info/invention-of-the-sewing-machine/) - The Sewing machine is one of the most useful machines ever invented. Before the invention of sewing machine, sewing clothes was a very time-consuming process. For each stitch, tailors had to be focused to make it proper. But the invention of sewing machine changed that all. Tailors time was saved and stitches were made with
- [Hot Air Balloon](https://science4fun.info/invention-of-the-hot-air-balloon/) - Hot Air Balloon is a light than air vehicle. It consists of a large bag called envelope that holds the air inside, and a basket (or gondola) that is suspended beneath the bag in which passengers are carried. A source of heat mostly propane is carried, to heat the air inside the bag. Today, hot
- [Telescope](https://science4fun.info/invention-of-the-telescope/) - The telescope is an instrument that allows us to see the distant objects closer. We can view objects that are far beyond the range of our eyes. This instrument had opened the new door for us to study the space from the Earth and changed our understanding of the universe. With the help of a
- [Chemical Reactions](https://science4fun.info/chemical-reactions/) - A chemical reaction is an interaction which occurs between two or more than two substances to form a new substance. Chemical reactions occur because molecules of different substance interact with other.
- [Molecules](https://science4fun.info/molecules/) - The molecule is a smallest possible unit of any substance, which can’t be further divided. But, still, retains the same properties of the original substance.
- [Rocks](https://science4fun.info/rocks/) - Rocks are the substances, which occur naturally all around the world. You may be familiar with the stones found on the sides of the road or lakes.
- [Minerals](https://science4fun.info/minerals/) - A mineral is any inorganic solid that occurs naturally; means they are not formed in the labs. Minerals are different from rocks because they have uniform chemical structure.
- [Speed and Velocity](https://science4fun.info/speed-and-velocity/) - Speed is the physical quantity for measuring the motion of a body with respect to a reference. It is defined as, the distance covered in a given amount of time.
- [Acceleration](https://science4fun.info/acceleration/) - Acceleration is the rate of change of velocity. When the velocity of an object is changed, the object is said to be accelerated.
- [Mass and Weight](https://science4fun.info/mass-and-weight/) - Mass is the quantity of matter that is contained in an object. It remains same, no matter where you take the object, either into space or another planet.
- [Force](https://science4fun.info/force/) - Force is actually an interaction which when applied to an object, changes or tends change it state of motion or rest. In other words, force can bring the objects that are not moving into motion.
- [Laws of Motion](https://science4fun.info/laws-of-motion/) - Force was described scientifically by Isaac Newton. He described the force and its relationships in his laws that are known today as the Newton’s Laws of Motion.
- [Energy](https://science4fun.info/energy/) - The ability to do work is known as energy. Anything that is doing something uses energy. Your body needs the energy to walk
- [Power](https://science4fun.info/power/) - Power is the rate of doing work. Because work does not deal with time, it only tells us that how much energy is consumed in performing the work.
- [Work](https://science4fun.info/work/) - In physics, work is done when a force is applied to an object and it travels some distance. For example, you kicked a ball with a certain amount of force and ball traveled few meters.
- [Heat](https://science4fun.info/heat/) - Heat is actually a kind of energy transfer from one object to another, when there is a temperature difference between them.
- [Temperature](https://science4fun.info/temperature/) - We use temperature to describe the hotness. But in physics, temperature is defined as the average kinetic energy of molecules in a substance.
- [Air Pollution](https://science4fun.info/air-pollution/) - When you go to the city during rush hours, you can clearly sense the smell of the burning fuels coming from the vehicles. This is really unwanted smell which sometimes makes it difficult to breathe. This is a kind of air pollution that citizen mostly face in their daily lives. What is Air Pollution? Air
- [Atmosphere](https://science4fun.info/atmosphere/) - What is Atmosphere? Our Earth is surrounded by layers of gases. This layer of gases is called atmosphere. It helps us to breath oxygen, fly the airplanes, and enjoy the breeze of air. Layers of the Atmosphere Atmosphere extends up to 500 km in space from the ground. But, as we move up in the
- [Clouds](https://science4fun.info/clouds/) - What are Clouds? We often talk about the weather in terms sunny day or cloudy one. Clouds cover the sky and block the sunlight from passing through them. These clouds are made of tiny droplets of water and ice crystals. Clouds float above in the atmosphere. Sometimes their color is white and sometimes dark. The
- [Seasons](https://science4fun.info/seasons/) - What is the season? The year of the Earth is divided into four seasons. There are four seasons in a year, which are summer, autumn, winter, and spring. The seasons cause significant changes in the weather and our environment. The summer is hot and the winter is cold. Leaves change their color to pale yellow
- [Periodic Table](https://science4fun.info/periodic-table/) - What is the Periodic table? There is a total of 118 discovered elements. These elements differ from each other because of the atoms which constitute them. They have the different number of protons in their nucleus. Although, these elements differ from each other but they share some of the common properties with each other. Chemists
- [Water Pollution](https://science4fun.info/water-pollution/) - What is Water Pollution? Have you ever seen the dirty water coming out of the factories? This is the contaminated water which contains toxic chemicals. When harmful chemicals mix with water, it is called water pollution. Even the water mixed with dish washing soap in your kitchen is also contaminated water. You can’t drink that
- [Water in Upside Down Glass](https://science4fun.info/water-in-upside-down-glass/) - Can you keep the water from falling down? Let’s make an experiment using simple household materials and try to defy gravity. We will try to hold the water in an upside-down glass and keep it from falling. Also, you will understand the science behind it. Things You Will Need Empty Glass sheet Cardboard (that covers
- [Make Your Own Flubber at Home](https://science4fun.info/make-your-own-flubber-at-home/) - Have you watched Flubber movie 1997? If yes, then you know that in this movie Robin William makes a green rubber-like substance named “Flubber”. In this experiment, we will make flubber (It won’t talk! SORRY!) But you can play with it. You will also understand the science behind it. Precaution: Always wear safety goggles and hand
- [How to Make Vinegar Volcano](https://science4fun.info/how-to-make-vinegar-volcano/) - learn how lava is ejected through a mountain and about the chemical reaction of vinegar and baking soda. We will use kitchen materials to build a model of volcano.
- [How to Make Soap Bubbles](https://science4fun.info/how-to-make-soap-bubbles/) - Soap bubbles are one of the most interesting activities of childhood. Let’s make soap bubbles at home with the materials from the kitchen. You will learn how to make a soap bubbles solution and the wand to blow bubbles. Find out! How bubbles work and tips for long lasting bubbles. Things You Will Need Clean
- [How to Make Rock Candy at Home](https://science4fun.info/how-to-make-rock-candy-at-home/) - Making delicious rock candy at home is a fun and good science experiment. It will help you to understand saturated and supersaturated solutions. You will love to see how crystals grow on a wooden stick as time passes. You can taste and eat the crystal that you will make. Precaution: Always wear safety goggles and hand
- [How to Make Rainbow on Paper](https://science4fun.info/how-to-make-a-rainbow-on-paper/) - Want to get pleasure from natural rainbow colors? But you don’t want wait for rain. By knowing science you can. In this home experiment, we are going to make a rainbow on a paper by applying the same principle that a real rainbow follows. Except that, our homemade rainbow won’t be an arc. Things You
- [How to Make Lava Lamp at Home](https://science4fun.info/how-to-make-lava-lamp-at-home/) - Lava Lamp is an electric lamp which contains the brightly colored substance. This bright substance rise and falls while changing their shape. Lava lamps give a good background decoration and grasp the attention of people. So, here you will learn how to a make lava lamp. This lava lamp won’t require electricity to operate. All
- [How to Make Invisible Ink](https://science4fun.info/how-to-make-invisible-ink/) - Do you want to write some secret messages that no one can see without you? Learn how to make invisible ink from household materials, and start writing your secret messages and symbols. This is a very interesting science experiment, you will get a lot of fun. Precaution: Always wear safety goggles and hand gloves when dealing
- [How to Make Foamy Fountain](https://science4fun.info/how-to-make-foamy-fountain/) - You may have seen the water fountains at many parks. These fountains give us very good view parks. So, let’s make this interesting fountain at home. This it will be colored and made of foam. We will call it the foamy fountain, and enjoy its beauty! The foam that will be produced by the fountain
- [How to Make Simple Electromagnet](https://science4fun.info/how-to-make-simple-electromagnet/) - An Electromagnet is the kind of magnet, which uses electric current to create a magnetic field. It can attract and magnetize ferromagnetic materials like Iron, Nickel, and Cobalt. It is easy to make a simple electromagnet at your home from household materials. Things You Will Need Thin Plastic insulated wire 5 volt AA Battery Iron
- [How to Make Disc Hovercraft](https://science4fun.info/how-to-make-disc-hovercraft/) - A hovercraft is also called ACV (Air Cushion Vehicle). We will Build a model of hovercraft that uses same principle out of home materials.
- [How to Make Boat Powered by Soap](https://science4fun.info/how-to-make-boat-powered-by-soap/) - Using detergent to power a boat is a fun science experiment. You will learn to make a boat that runs only on detergent. Find out! How surface tension of water is affected to power your boat. Things You will Need A sheet of cardboard or Styrofoam Liquid dishwashing soap Dropper or Pencil Scissors How to
- [How to Inflate Balloon with Vinegar and Baking Soda](https://science4fun.info/how-to-inflate-balloon-with-vinegar-and-baking-soda/) - Inflating the balloon with vinegar and baking soda is a classic experiment. Perform this experiments with your friends, and explain to them what is happening? You won’t need to buy anything, all the materials you will find in your kitchen easily. In this experiment, you will learn how the gas (carbon dioxide) produced from chemical
- [Egg in a Bottle](https://science4fun.info/egg-in-a-bottle/) - Egg in a bottle is an easy-to-do classic activity, which you can perform in your kitchen. In this activity, a hard-boiled egg (peeled) is set on the mouth of a bottle and egg is sucked in the bottle magically (actually scientifically). You will learn how pressure difference can cause push and pull and helps the
- [Boil water in Paper bag](https://science4fun.info/boil-water-in-paper-bag/) - Humans had been boiling water in large cup shaped leaves. We know this is old method of boiling water but for fun and learning how it works we will boil water in a bag made out of paper.

## Pages

- [Recent Posts](https://science4fun.info/) - Science4Fun is the place where you can learn science in a fun way. You will find interesting science topics and fun science experiments.
- [Play and Explore](https://science4fun.info/play-and-explore/) - Learn Science with our interactive apps and enhance your knowledge and skills. We make learning adventurous and make boring textbooks into hands-on activities and games. Our fun-filled environment keeps you motivated and focused. Our interactive learning apps are alway free for young scientists like you!
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- [Geography](https://science4fun.info/geography/) - Geography is all about studying the shape of our Earth including its features, such as Mountains, Oceans, Continents, and people around the world. Geography is often confused with geology, but both fields are different. In geography, you will learn about the shape and features of the Earth, whereas in geology you learn how Earth was
- [Electricity](https://science4fun.info/electricity/) - Electricity is the source of energy that we all use in our daily lives. Without electricity, it will hard to imagine how our Earth will look. Because electricity has conquered almost every aspect of our lives. The device that you using to view this website also uses electricity. So, let’s learn about the electricity from
- [Earth Science](https://science4fun.info/earth-science/) - Our Earth is full wonders and a lot of mysteries. Every day scientists find many new discoveries regarding our Earth. In this section, you will learn about the Earth science, which is the study of the Earth. You will find interesting topics about the planet Earth’s geology, meteorology, paleontology, and oceanography. You will learn a
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- [Astronomy](https://science4fun.info/astronomy/) - The sky, in a clear night, is full of illuminating dots and has always been a subject of study since ancient times. Previously, people related the motion of objects in the sky to major events and affairs on the Earth. This field of study was called astrology, but today we learn about the sky and
- [Animals](https://science4fun.info/animals/) - In this section, you learn about the amazing animals on the planet Earth, including mammals, reptiles, birds, insects and fishes in the ocean. Studying animals is a lot of fun, when you know, how they eat, how they move and they live. You will find many animals with that you haven’t heard about, but they
- [Contact Us](https://science4fun.info/contact-us/) - If you have any feedback, question or any other query. You can contact us on the following email: abdulwahabmalik(a)ymail.com
- [Renewable Energy Sources](https://science4fun.info/renewable-energy-sources/) - Renewable energy is a type of energy which includes all the energy sources that are continually renewed or never going to be consumed up e.g. fossil fuels. There are various energy sources included in renewable energy, which includes Biomass, wind, solar, hydropower, geothermal, and tidal energy. Renewable energy sources provide many benefits over the fossil
- [Light](https://science4fun.info/light/) - Welcome to the section of light. Here you find many interesting topics and explanations of about the beautiful phenomena of light, like a rainbow. As a kid, I have gone to visit the Indus River with my family. At that location, the season was rainy and the sunlight was leaking from the clouds, which formed
- [Planets](https://science4fun.info/planets/) - Welcome to the planets sections. It is full of interesting information and fun facts about all the planets in our solar system, including a dwarf planet Pluto. Find out their physical characteristics, composition, geography, atmosphere, and discovery in a fun way. So, start learning about planets now and find out their amazing world. I hope
- [About Science4Fun](https://science4fun.info/about/) - Science4Fun is an educational website for kids and teens. Its goal is to provides interesting content for different science subjects. We hope you will enjoy learning on Science4Fun and will explore many new things. Where the articles come from? All the articles on Science4Fun are written after a research on a particular topic from multiple sources including
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