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 38 of 57
Some things act like magnets. A magnet can pull or push them. Some things move toward a magnet. Other things move away. This helps us learn about rocks. It even helps us find oil. Do you like magnets?
Early Reader · Change the reading level on the articleSome things can be magnets. They pull on metal. This pull comes from tiny parts inside. Some magnets stay strong for a long time. Others stop being magnets if they get hot. Do you have a magnet at home?
Early Reader · Change the reading level on the articleSome liquids carry a pull. This pull is like a magnet. It moves with the liquid. This helps us learn about the sun. It is very cool! Do you like magnets?
Early Reader · Change the reading level on the articleSome tools make things look big. A magnifying glass helps you see small things. It can make a stamp look large. You can use a microscope too. It helps us see tiny details. Do you want to look through one?
Early Reader · Change the reading level on the articleA spinning ball can curve. It does not go straight. The spin makes the air push it. This helps a ball swerve in a game. It makes sports fun to watch. Do you like spinning balls?
Early Reader · Change the reading level on the articleHeat makes food turn brown. This happens in bread and meat. It makes food taste good. It also smells great. We love yummy brown food! Do you like toasted bread?
Early Reader · Change the reading level on the articleMany things are made of these parts. They are found all over the Earth. They are even in space. They make up our big world. It is a lot to think about! Can you find them?
Early Reader · Change the reading level on the articleMakoto Kobayashi is a smart man. He studies how the world works. He found out new things about tiny bits. He won a big prize for his work. He is a hero in science. Do you like to learn new things?
Early Reader · Change the reading level on the articleSome things in fruit taste sour. This sour taste comes from a special part of the fruit. It is in apples and grapes. It is even in some sweets! Do you like sour food?
Early Reader · Change the reading level on the articleThis is a dark green liquid. It is made of metal and air. It can help change other things. It is very special to see. Can you see the green color? Do you like green?
Early Reader · Change the reading level on the articleThis is a dark rock. It is brown or black. It helps make batteries work. This helps your toys run. It is a very useful thing. Do you have a battery?
Early Reader · Change the reading level on the articleManne was a smart man. He studied light from tiny bits. He used tools to see them. This helped us learn about things. He won a big prize. Do you like to learn?
Early Reader · Change the reading level on the articleSome people think there are many worlds. These worlds are all real. They happen at the same time. One world has one thing happen. Another world has something else happen. They do not touch each other. Can you imagine…
Early Reader · Change the reading level on the articleMarch is a month in the year. It has 31 days. In some places, spring starts now. The weather gets warmer. It is a fun time. Do you like spring?
Early Reader · Change the reading level on the article{ "text": "A woman named Marguerite found something new. She looked at tiny bits of matter. She found a new part of our world. She named it after her home. This helped us learn so much. Do
Early Reader · Change the reading level on the articleMaria was a smart scientist. She studied how things work. She looked at rocks and earth. This helped people make medicine. She worked very hard. Do you like to learn new things?
Early Reader · Change the reading level on the articleMaria was a smart scientist. She studied tiny things. She learned how the middle of an atom works. This helped her win a big prize. She worked very hard. Do you like science too?
Early Reader · Change the reading level on the articleScientists study the ocean water. They look at what is in it. They see things like salt and food. This helps us keep the sea safe. It is a big job. Do you like the sea?
Early Reader · Change the reading level on the articleMark Oliphant was a smart man. He studied how tiny things work. He found out how stars get power. This helps us learn about our world. He was a kind man too. Do you like to learn new things?
Early Reader · Change the reading level on the articleA man named Klaproth loved rocks. He found new things in them. He found parts of the earth we call elements. These parts help us know the world. He was a great helper to science. Do you like looking at rocks?
Early Reader · Change the reading level on the articleMartin Perl was a smart man. He studied tiny things. He found a new small part of our world. This helped 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 articleA man named Martinus studied how things work. He looked at very tiny bits of our world. He won a big prize for his work. His ideas help us learn about space. He was a great thinker. Do you like to learn new things?
Early Reader · Change the reading level on the articleMary was a wise woman. She lived a long time ago. She made tools for science. One tool helps us cook food. It uses a warm water bath. This helps us stay safe. Do you like to cook?
Early Reader · Change the reading level on the articleMasatoshi Koshiba was a smart man. He studied how the sun works. He used big tools to see tiny things. He won a very big prize for his work. He loved to play games too. Do you like to learn new things?
Early Reader · Change the reading level on the articleA maser makes special waves. These waves help us tell time. They also help us talk to ships in space. It is a very smart tool. Do you like looking at the stars?
Early Reader · Change the reading level on the articleWe can mix things in water. You can add a little bit of salt. You can add a lot of salt. This changes how heavy the water is. It helps us make things like sugar water. Do you like sweet drinks?
Early Reader · Change the reading level on the articleThings move in many ways. Water flows through a pipe. It moves from one spot to another. We can see how much moves. This helps us know how things work. It is very neat! Can you see water moving?
Early Reader · Change the reading level on the articleA mix has many parts. We can look at one part. We see how heavy it is. Then we look at the whole mix. This helps us know what is inside. It is a smart way to measure. Can you find a mix in your kitchen?
Early Reader · Change the reading level on the articleSome tiny things have no weight. One is light. Light travels very fast. It helps us see the world. We can use light every day. Do you like the bright sun?
Early Reader · Change the reading level on the articleTiny bits make up everything. Inside them are small parts. We count these parts to find a number. This number tells us how heavy they are. It helps us know what they are. Can you imagine tiny parts?
Early Reader · Change the reading level on the articleThings move from one place to another. Water moves from a pond into the air. Our bodies do this too. It helps keep us healthy. It is all around us. Can you see things moving?
Early Reader · Change the reading level on the articleEverything is made of stuff. This stuff is called material. Some stuff is hard. Some stuff is soft. We use it to make toys. We use it to build homes. What is your favorite thing to touch?
Early Reader · Change the reading level on the articleEverything is made of tiny bits. These bits are very small. They make up you and me. They also make up the stars. We use science to learn about them. Can you imagine tiny bits?
Early Reader · Change the reading level on the articleTiny things move in new ways. They do not move in circles. We use math to see them. This helps us learn about the world. It is very cool! Do you like math?
Early Reader · Change the reading level on the article{ "text": "Small things act like waves. They move like ripples in water. This is true for tiny bits of matter. It helps us see very small things. It is quite amazing! Can you imagine that? ", "media":…
Early Reader · Change the reading level on the articleMauve is a soft purple color. It looks like a flower. This color has a name from a flower too. People loved to wear it long ago. It was a very big fashion. Do you like the color purple?
Early Reader · Change the reading level on the articleMax von Laue was a smart man. He studied how light works. He won a big prize for his work. This prize is called a Nobel Prize. He helped many other people in science. Do you like to learn new things?
Early Reader · Change the reading level on the articleTiny bits of air move fast. They zoom around in a box. Some move slow. Some move very fast. This helps us know how they move. It is like a busy dance. Can you imagine tiny bits zooming?
Early Reader · Change the reading level on the articleTiny bits move in a box. They zoom around very fast. Some bits move slow. Some bits move fast. Heat makes them move more. This helps us learn about gas. Do you like to run fast?
Early Reader · Change the reading level on the articleImagine a tiny being with a door. This being sorts small bits of air. It lets fast bits go one way. It lets slow bits go the other way. This makes one side hot. It makes one side cold. Can you imagine a tiny door?
Early Reader · Change the reading level on the articleMay is a month in the year. It has 31 days. The weather changes in May. It can feel like spring. Some flowers bloom now. It is a fun time. Do you like May?
Early Reader · Change the reading level on the articleThings can be hard to count. Many small parts move at once. We can use a trick to help. We look at the average of all parts. This makes the math easy. It helps us learn fast. Can you see the patterns?
Early Reader · Change the reading level on the articleTiny bits move in space. They fly through the air. Sometimes they hit other bits. They travel a short way before a bump. This path is how far they go. Can you imagine flying like a tiny bit?
Early Reader · Change the reading level on the articleTiny things act in strange ways. We can try to find them. But we cannot know everything. A test can change a tiny thing. This makes the world very neat. Do you like to learn?
Early Reader · Change the reading level on the articleTiny things act in strange ways. They can be in two places at once. But when we look, they pick one spot. This is a big mystery. We do not know why it happens. Can you imagine that?
Early Reader · Change the reading level on the articleTools can help us do work. Some tools make us stronger. They help us move heavy things. A long bar can help too. It makes a hard job easy. Can you find a tool like this?
Early Reader · Change the reading level on the articleThings can stay very still. A toy can sit on a desk. It does not move. A rock can stay on a hill. It stays right there. This helps things stay in place. Can you find something still?
Early Reader · Change the reading level on the articleThings like to swing or shake. If you push a swing at the right time, it goes high. This happens when your push matches the swing's own rhythm. It can even make big bridges move! Can you feel things shake?
Early Reader · Change the reading level on the article