Explore matter, energy, chemistry and the physical laws that help explain everyday life. Choose an article below; its reading controls let you move between the available levels.
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Science helps us learn about the world. People use it to find out how things work. It helps us solve big problems. We can use it to stay healthy. It is a way to find new things. Do you want to learn too?
Early Reader · Change the reading level on the articleEverything is made of tiny bits. These bits are called elements. They make up the whole world. They are all around you. Some are in the air. Can you find them?
Early Reader · Change the reading level on the articleScience looks at all things. It looks at what things are made of. It looks at how they change. This helps us learn about plants and rocks. It helps us make medicine. It is very cool! Do you want to learn more?
Early Reader · Change the reading level on the articleElectricity is a big power. It helps us turn on lights. It also makes things move. We use it every day. It is in our homes. Can you find it?
Early Reader · Change the reading level on the articleEnergy makes things move. It can be light or heat. The sun gives us energy. It helps plants grow. All living things need it. We use it every day. Do you feel energy?
Early Reader · Change the reading level on the articleFire is hot and bright. It makes light. It also makes heat. We use fire to cook food. It helps us stay warm. It can be very big. Do you like to see a campfire?
Early Reader · Change the reading level on the articleEverything is made of stuff. This stuff is called matter. It can be hard like ice. It can be wet like water. It can even be in the air. Matter is all around you. Can you find some matter?
Early Reader · Change the reading level on the articleScience helps us learn how things work. It looks at how things move. It looks at how things act. This helps us make new tools. It helps us build computers. Do you want to learn more?
Early Reader · Change the reading level on the articleTime moves in a line. It goes from long ago to now. It goes to the future too. We use clocks to see it. We use calendars to see it. It helps us know when to play. Do you like to watch a clock?
Early Reader · Change the reading level on the articleSome things taste sour. These are called acids. You can find them in fruit. They are also in your tummy. They help you digest food. Do you like sour food?
Early Reader · Change the reading level on the articleSome things are acids. Some things are bases. They can mix together. This makes a change. It can even make bubbles in cake! It is like magic. Do you like cake?
Early Reader · Change the reading level on the articleAlbert Einstein was a smart man. He loved to learn about how things work. He used math to study the world. His big ideas help us see space. He was a very famous thinker. Do you like to ask questions?
Early Reader · Change the reading level on the articleWe can mix metals together. This makes a new metal. It can be much stronger. It helps us build big things. It is very useful. Do you see metal tools?
Early Reader · Change the reading level on the articleAntoine was a man who loved science. He studied how things work. He found out how air helps things burn. This helped us learn more about the world. He worked with his wife, too. Do you like to learn new things?
Early Reader · Change the reading level on the articleEverything is made of tiny bits. These bits are called atoms. They are too small to see. They are even smaller than light. Atoms join together to make things. This makes the whole world! Can you find something made…
Early Reader · Change the reading level on the articleThings are made of tiny bits. Sometimes, two different kinds of bits join together. They stick to make something new. This can be water. It helps us live. Can you find something new today?
Early Reader · Change the reading level on the articleCopper is a shiny metal. It looks orange-pink. It helps move heat and power. We use it in many things. It can even be in our bodies! Do you see copper near you?
Early Reader · Change the reading level on the articleThe Earth spins around. This spin makes a day. We see light and dark. We see the sun rise. We see the sun set. It helps us know when to sleep. Can you see the sun?
Early Reader · Change the reading level on the articleDmitri was a smart man. He loved science. He made a special chart. This chart helps us find things. It shows how things work. It is a big help to us. Do you like science too?
Early Reader · Change the reading level on the articleLight is a special kind of wave. It moves through space very fast. It can come from the sun. This light helps us see the world. It is all around us. Can you see the light?
Early Reader · Change the reading level on the articleSome things can pop very fast. They hold a lot of power. This power comes out with light and loud noise. It can be very strong. It can even make heat. Can you imagine a loud pop?
Early Reader · Change the reading level on the articleGas is all around us. It can be in the air. It does not stay in one shape. It fills up any space. We need it to live. It is very cool! Can you feel the air move?
Early Reader · Change the reading level on the articleGlass is a clear thing. It can be made from sand. It can also be found in volcanoes. We use it for windows. We use it for cups too. It is very useful. Do you see glass near you?
Early Reader · Change the reading level on the articleGold is a shiny yellow metal. It can be found in rocks. It is very soft. You can make it into thin sheets. People use it for pretty jewelry. Do you like shiny things?
Early Reader · Change the reading level on the articleHydrogen is a gas in space. It is the lightest thing of all. It helps make stars shine bright. It is also in the water we drink. This helps us live every day. Can you find water in your house?
Early Reader · Change the reading level on the articleSome things are not made of life. They are in the ground. They are in the air. They help our bodies work. They help us make tools. Can you find them?
Early Reader · Change the reading level on the articlePeople all over the world use one way to measure things. We use it to find out how long or heavy something is. This helps us work together. It makes science easy for everyone. Do you like to measure things?
Early Reader · Change the reading level on the articleIron is a strong metal. It is deep inside the Earth. It is also in your blood. This helps you breathe. Iron can turn into rust. Do you see rust on old things?
Early Reader · Change the reading level on the articleIsaac Newton was a smart man. He studied the stars and light. He found out how things move. His work helps us learn about the world. He was a great thinker. Do you like to learn new things?
Early Reader · Change the reading level on the articleJames was a man who loved to learn. He asked many questions. He studied light and power. His work helps us use tools today. He was a great thinker. Do you like to ask questions too?
Early Reader · Change the reading level on the articleA lens helps us see. It can make light bend. This can make things look big. It also helps us see clearly. Lenses are in glasses and cameras. Can you find a lens near you?
Early Reader · Change the reading level on the articleA lever is a long bar. It rests on a point. This point acts like a hinge. It helps us lift heavy things. It makes work feel easy. Can you find a lever?
Early Reader · Change the reading level on the articleLight helps us see things. The sun is a big light. It shines on our world. We can use lamps too. Light is very fast. Can you see the light?
Early Reader · Change the reading level on the articleA liquid is a type of stuff. It can flow and move. It takes the shape of a cup or a bowl. Water is a liquid. We need it to live. Do you like to splash in water?
Early Reader · Change the reading level on the articleMarie Curie was a great scientist. She found new things in nature. She studied how tiny parts of things work. Her work helps doctors today. She was very brave. Do you like to learn new things?
Early Reader · Change the reading level on the articleMetal is a shiny material. It can carry heat. It can carry power too. We use it for cars and tools. It is all around us! Do you see metal near you?
Early Reader · Change the reading level on the articleTiny bits join to make things. These bits stick together. They make the air we breathe. They also make food for us. We are made of these tiny bits! Can you imagine them?
Early Reader · Change the reading level on the articleMost of the air is a gas. It has no smell. It has no color. This gas helps our bodies grow. It is in all living things. We need it to live. Can you feel the air?
Early Reader · Change the reading level on the articleLight helps us see the world. It can bend or bounce. Mirrors use light to show us things. Lenses help us see small things too. We use light every day. Do you like to look at bright colors?
Early Reader · Change the reading level on the articleEverything that lives is made of special parts. These parts are in you and me. They are also in plants and food. We can use them to make things like medicine. It is a very big world of tiny things. Do you want to…
Early Reader · Change the reading level on the articleThe air has a special part. It helps us live. Plants make it for us. We need it to breathe. It is all around you. Do you feel the air?
Early Reader · Change the reading level on the articleEverything is made of tiny bits. These bits are very, very small. They make up our whole world. They help make you and me. We can study them with big machines. Can you imagine something so small?
Early Reader · Change the reading level on the articleThe world is made of many parts. We use a chart to show them. It puts them in rows and lines. This helps us see how they work. It is a big map for science. Can you find one?
Early Reader · Change the reading level on the articlePeople study how things work. They look at how heat moves. They see how fast things change. This helps us make new things. It is very cool! Do you like to see how things work?
Early Reader · Change the reading level on the articleSome things are not solid or liquid. They are not even gas. This is called plasma. It is in the stars. It is also in lightning. Can you see it in the sky?
Early Reader · Change the reading level on the articlePlastic is a man-made material. It can be any shape. We use it for toys and boxes. It helps us every day. It is all around us. Can you find some plastic?
Early Reader · Change the reading level on the articleTiny things act in strange ways. They do not stay in one spot. They can act like small bits or like waves. This helps us learn about the world. It is very neat! Can you imagine that?
Early Reader · Change the reading level on the articleSome tiny things are not still. They let out energy. This energy moves away. It can change the tiny thing. This can even change what it is. It is a big mystery. Do you want to learn more?
Early Reader · Change the reading level on the article