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.
2,727 public articles · Page 57 of 57
Try Science Lab activities about forces and motion, light, sound and electricity or matter and chemistry.
Willard Boyle was a smart man. He helped make digital cameras work. He also helped find places to land on the moon. His work helps us take clear pictures. We can use his ideas today. Do you like taking photos?
Early Reader · Change the reading level on the articleWillard Libby was a smart man. He studied how things work. He found a way to tell how old things are. This helps us learn about the past. He won a big prize for his work. Do you like to learn new things?
Early Reader · Change the reading level on the articleWilliam Crookes was a smart man. He loved to study science. He found a new thing in nature. It was called thallium. He worked hard in his lab. He helped us learn about the world. Do you like to learn new things?
Early Reader · Change the reading level on the articleBill Phillips is a smart scientist. He studies how tiny things move. He won a very big prize for his work. This prize helps us learn more about our world. He is a great teacher too. Do you want to be a scientist?
Early Reader · Change the reading level on the articleWilliam was a smart man. He loved to study things. He found new parts of the world. He found two new metals. These metals help us today. Can you find new things too?
Early Reader · Change the reading level on the articleWilliam was a smart man. He studied the air. He found new parts in the air. These parts are very quiet. He won a big prize for his work. It helps us learn about our world. Do you like to learn?
Early Reader · Change the reading level on the articleWillis Lamb was a smart man. He studied how tiny things work. He won a big prize for his work. His work helps us learn about the world. He was a teacher too. Do you like to learn new things?
Early Reader · Change the reading level on the articleScientists use a special way to build things. They join small parts together. This helps them make new things. It is like building with blocks. This work helps us make medicine. Can you imagine making new things?
Early Reader · Change the reading level on the articleWilliam was a smart man. He loved math and science. He studied how heat works. He helped make steam engines better. He also studied how metal breaks. This helps keep trains safe. Do you like science too?
Early Reader · Change the reading level on the articleWolfgang is a smart man. He studies tiny things. He makes them very cold. This helps us learn about our world. He even won a big prize. Do you like to learn new things?
Early Reader · Change the reading level on the articleWolfgang Paul was a smart man. He studied how tiny things work. He found a way to catch small parts. This helps us learn a lot. He even won a big prize. Do you like to learn new things?
Early Reader · Change the reading level on the articleWood ash is gray powder. It stays after a fire. It comes from burned wood. People use it to help plants grow. It can even help make soap. Do you see ash in a fire?
Early Reader · Change the reading level on the articleSome metals get stronger when you bend them. This helps us make things like bolts. It happens when we change their shape. This makes the metal hard to bend. It is a cool way to use metal. Can you think of something…
Early Reader · Change the reading level on the articleWork is moving things. It can lift a heavy weight. It can also move things with magnets. This helps us do many jobs. It is a way to use energy. Do you like to move things?
Early Reader · Change the reading level on the articleA smart woman named Chien-Shiung Wu did a test. She looked at how tiny things move. She found that left and right are not the same. This was a big surprise! Can you find your left hand?
Early Reader · Change the reading level on the articleA man found a new way to mix gases. He used a gas that does not like to change. He made a yellow solid. This was a big surprise. It showed that even quiet gases can react. Can you imagine a surprise like that?
Early Reader · Change the reading level on the articleSome gases can join together. This one makes a clear solid. It was found a long time ago. It can help us look at rubber. It is a very neat thing to see. Do you like science?
Early Reader · Change the reading level on the articleScientists use light to see tiny things. This light hits small crystals. It shows how the tiny parts fit together. This helps us make new medicines. It is like a secret map. Can you imagine seeing something so small?
Early Reader · Change the reading level on the articleSpecial light helps us see tiny things. This light shows what things are made of. It can even see very small parts. This helps us learn about our world. It is like a magic tool. Do you want to see more?
Early Reader · Change the reading level on the articleThe x unit is a tiny measure. It measures things that are very small. It helps us see light waves. This helps us learn about the world. It is a very small tool. Can you imagine something that small?
Early Reader · Change the reading level on the articleSmall bits make up our world. They use tiny forces to stay close. These forces help things stick. It is how we stay together. Science helps us learn this. Can you look for small things?
Early Reader · Change the reading level on the articleA yard is a way to measure. It is three feet long. It is also thirty-six inches. This helps us know how big things are. It is a very useful tool. Do you know how long a yard is?
Early Reader · Change the reading level on the articleMaking new things in a lab is fun. Scientists mix things to make new stuff. They count how much they make. Sometimes they make a lot. Sometimes they make a little. It is good to know how much you have. Do you like to…
Early Reader · Change the reading level on the articleYoichiro Nambu was a smart man. He studied how tiny things work. He won a very big prize for his work. His ideas help us learn about the world. Do you like to learn new things too?
Early Reader · Change the reading level on the articleSome things are stiff. Some things are soft. Some things stretch a lot. Others do not move much. This helps us know what to build. We use it for big things. Do you like to play with soft toys?
Early Reader · Change the reading level on the articleSome special things can move power. They let power flow very well. This works when they are very cold. This helps us make new tools. It can even make things float! Can you imagine a floating toy?
Early Reader · Change the reading level on the articleLight can change in a magnet. Some light splits into many lines. This happens near a magnet. It helps us see stars. We can learn about the sun. Do you like space?
Early Reader · Change the reading level on the articleEven empty space has energy. Tiny bits of stuff never stop moving. They wiggle even when it is very cold. This energy is always there. It helps things stay moving. It is a big mystery! Can you imagine a space that is…
Early Reader · Change the reading level on the articleWe can use tools to see heat. A tool shows if things are hot. If two things match a tool, they match each other. This helps us know how hot things are. It is like a rule for heat. Do you like warm things?
Early Reader · Change the reading level on the articleZhores was a smart man. He studied how things work. He helped make new tools. These tools help us talk on phones. His work helps us every day. Do you like using phones?
Early Reader · Change the reading level on the articleThis is a white solid. It can be in a pill. It helps when you have a cold. It can also help itchy skin. It is very useful. Do you want to learn more?
Early Reader · Change the reading level on the articleThis is a white solid. It can melt into a liquid. It mixes well with water. People use it to help make things. It can even help clean wood. Do you like to see how things change?
Early Reader · Change the reading level on the articleThis is a white solid. It helps animals grow. It is in some food and toothpaste. It can even help keep moss off roofs. We use it to stay healthy. Do you use zinc in your toothpaste?
Early Reader · Change the reading level on the articleSome things in nature glow. This white stuff can glow in the dark. It can even glow blue or red. We use it to make bright colors. It is a neat find! Can you see things that glow?
Early Reader · Change the reading level on the articleGinger has a special smell. It comes from a part of the plant. This part gives ginger its taste. It helps make food taste good. It is a neat thing to find. Do you like the taste of ginger?
Early Reader · Change the reading level on the articleSome stones are very white. They can look like shiny diamonds. We use them in pretty rings. Some are used to make strong teeth. They can even make sharp knives. Do you like shiny things?
Early Reader · Change the reading level on the articleZosimos was a man from long ago. He lived in a place called Egypt. He wrote books about how to work with metals. He used tools to help him work. His books are very old. Do you like old stories?
Early Reader · Change the reading level on the articleSome tiny bits have two parts. One part is plus. One part is minus. They are both equal. This helps them work well. It is like a tiny balance. Can you find things that balance?
Early Reader · Change the reading level on the articleEverything has tiny bits of carbon. Some bits are a little heavier. We can look at these bits. They tell us about the past. They show us how plants grew. Do you like to learn about old things?
Early Reader · Change the reading level on the article