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.
We can use power to study things. We use small tools to check liquids. These tools look at how power moves. This helps us know what is inside. It is a smart way to learn. Can you imagine using power to see?
Early Reader · Change the reading level on the articleSome things make power. They use tiny parts to work. This can make a battery. A battery helps your toys run. It can even start a car. Do you use batteries at home?
Early Reader · Change the reading level on the articleParts help power work. These parts are in batteries. They let power flow. They help your toys work. It is very cool. Do you use batteries?
Early Reader · Change the reading level on the articleSome things help power move. These things can be in water. They help our bodies work well. They help our muscles move. You can find them in sports drinks. Do you drink them to stay strong?
Early Reader · Change the reading level on the articleThis part stores power. It helps your toys work. It keeps the power steady. It is very small. It is in many things. Do you see one?
Early Reader · Change the reading level on the articleElectricity can break things apart. We use power to change liquids. This can make new things. It can even make gas. This helps us make metal. It is very cool! Can you see the power work?
Early Reader · Change the reading level on the articleLight and magnets work in a special way. They use two parts to work together. One part is for electric power. The other part is for magnets. These parts help us see how they move. It is a big, smart way to look at…
Early Reader · Change the reading level on the articleLight moves in waves. These waves travel through space. They can go very fast. Light helps us see the world. It is a wonder to watch. Do you like to see bright colors?
Early Reader · Change the reading level on the articleTiny bits of stuff like atoms can grab more bits. When they grab a bit, they let out energy. This energy is like a little burst of power. Some atoms are very good at this. It helps us learn how things work. Do you…
Early Reader · Change the reading level on the articleTiny bits make up everything. Scientists count these bits. They count how bits join together. This helps them know if things are safe. It helps them see how things work. Can you count with them?
Early Reader · Change the reading level on the articleTiny bits of light move like waves. They hit small things. Then they bounce in new ways. This makes a pretty map. It shows us how small things look. Can you see the spots?
Early Reader · Change the reading level on the articleTiny bits pull on each other. Some bits pull very hard. They pull on little parts called electrons. This pull helps things stay together. It is how many things are made. Do you like to play tug of war?
Early Reader · Change the reading level on the articleTiny bits live in small things. Some bits go away. This leaves an empty spot. The spot acts like a plus sign. It helps our tools work. Can you find an empty spot in a game?
Early Reader · Change the reading level on the articleTiny bits live in all things. They can move or stay still. This helps things work. It helps us make tools. We use them for many things. Can you find something made of metal?
Early Reader · Change the reading level on the articleTiny parts called electrons act like magnets. They spin around and around. This makes them pull on things. This helps us understand how atoms work. It is very cool! Can you feel a magnet?
Early Reader · Change the reading level on the articleTiny bits make up everything. These bits are very small. They have a little weight. This weight helps us learn. We use them to study. Can you imagine something so small?
Early Reader · Change the reading level on the articleTiny bits live in everything. They are very small. They have no charge. We cannot see them. They help make things work. Do you want to find them?
Early Reader · Change the reading level on the articleSome tiny things have a special pull. They act like small magnets. We use a big magnet to find them. We also use waves to see them. This helps us learn about them. Can you imagine tiny magnets?
Early Reader · Change the reading level on the articleTiny bits of matter can crash. They hit each other hard. Then they turn into bright light. This light flies away fast. It helps doctors see inside you. It is a big, bright surprise! Can you imagine tiny light?
Early Reader · Change the reading level on the articleSome tiny things like to find friends. They look for parts that have extra bits. Then they join together to make something new. This helps make things like fuel. It is like a tiny puzzle. Do you like puzzles?
Early Reader · Change the reading level on the articleSome tiny bits join together. They make new things. This helps us make stuff. It is like building with blocks. It is very neat to see. Do you like to build things?
Early Reader · Change the reading level on the articleSome tiny things change in a mix. One part moves out. A new part moves in. This helps make new things. It is like swapping a toy. Can you see how things change?
Early Reader · Change the reading level on the articleScientists use power to move tiny bits. These bits move in a liquid. They move toward a charge. This helps us see small things. It helps us study life. It is very cool. Can you see the tiny bits move?
Early Reader · Change the reading level on the articleTiny bits of power live in things. A charged object can pull on them. They move to one side. This can pull on paper or balloons. It is like a tiny tug. Can you feel a tiny tug?
Early Reader · Change the reading level on the articleWe can use power to make new things. This power comes from a battery. It helps tiny bits join together. It can even clean dirty water. It is a smart way to work. Do you like science?
Early Reader · Change the reading level on the article{ "text": Two forces are one. They act like a team. Long ago, they were joined. They split when things cooled down. This helps our world work. Can you feel the force? ", "media": [ "File:Standard Model of Elementary…
Early Reader · Change the reading level on the articleScientists look at small things. They check what is inside. They look at soil or water. This helps us know if things are pure. It is like a secret test. Can you find what is inside?
Early Reader · Change the reading level on the articleTiny bits of energy live in everything. We call this charge. One small bit lives in a proton. One small bit lives in an electron. This tiny bit is like a building block. It helps things work. Can you feel the energy?
Early Reader · Change the reading level on the articleEverything is made of tiny bits. These bits are very, very small. Some bits are not made of anything else. They are the smallest parts of all. They make up everything you see. Can you find something small?
Early Reader · Change the reading level on the articleSome things change in one quick step. One thing can turn into something new. Two things can hit and change too. This helps us make new things. It is a fast way to change. Do you like to see how things change?
Early Reader · Change the reading level on the articleTiny bits of stuff can change. They lose small parts to grow. This makes a new shape. It helps make things we use. It is like magic! Can you see it happen?
Early Reader · Change the reading level on the articleElizabeth Rona was a smart scientist. She studied tiny pieces of matter. She found new ways to use them. Her work helped people learn. She was very brave. Do you like science too?
Early Reader · Change the reading level on the articleEllen was a great scientist. She studied how to stay healthy. She tested water to keep it clean. This helped many people live well. She also studied food and air. We can learn from her work. Do you like science too?
Early Reader · Change the reading level on the articleSmall things can make big things. Many tiny parts work together. They make something new and grand. This helps the whole group. It is like magic! Can you see the patterns?
Early Reader · Change the reading level on the articleSome things make special light. Heat can make them glow. Each thing has its own colors. This helps us know what it is. It is like a secret code. Can you see the colors?
Early Reader · Change the reading level on the articleTiny bits make up all things. They can join in small groups. Some groups have the same mix. This mix is a simple pattern. It helps us know what is inside. It is a fun puzzle! Can you find patterns too?
Early Reader · Change the reading level on the articleWe use water to make things. Small bits of oil mix in the water. These bits turn into hard stuff. This makes paint and glue. It helps us build things. Do you like to paint?
Early Reader · Change the reading level on the articleSome tiny things look like twins. They are like your hands. One is left and one is right. They look the same in a mirror. But they do not fit together. Can you hold your hands up to a mirror?
Early Reader · Change the reading level on the articleSome tiny things come in two shapes. They look like each other. But they are not the same. One shape might taste sweet. The other might taste like nothing. This helps us make good medicine. Do you like sweet things?
Early Reader · Change the reading level on the articleSome tiny balls act like cages. They can hold small things inside. They trap atoms in their middle. This helps us learn new things. It is like a tiny house for atoms. Can you find a tiny cage?
Early Reader · Change the reading level on the articleSome things take in heat. Ice melts when it gets warm. This takes heat from the air. It can make the air feel cold. This helps us learn about heat. Do you feel the heat?
Early Reader · Change the reading level on the articleMachines use energy to work. Sometimes energy is lost. It can turn into heat. This means we do not use it all. We want to use as much as we can. Do you like to save energy?
Early Reader · Change the reading level on the articleSome things hold a lot of power. This power can be in food. It can be in gas for cars. It can be in big stars. This helps us move and grow. Can you find things that give us power?
Early Reader · Change the reading level on the articleEverything has energy. It can move or stay still. Moving things have a special kind of push. All these things work together. It helps us learn how the world works. Can you feel how fast things move?
Early Reader · Change the reading level on the articleScientists use a big idea to learn. They look at many copies of one thing. Each copy shows a new way it can be. This helps us see how things work. It is like seeing many paths at once. Can you imagine many copies of you?
Early Reader · Change the reading level on the articleSome things turn from wet to gas. You must add heat to do this. Heat makes the liquid move fast. It turns into air. This helps things dry. Can you feel the heat?
Early Reader · Change the reading level on the articleThings like to get messy. Things spread out over time. A fire turns wood to smoke. It does not turn smoke to wood. This helps us know the past. Can you see things change? Do you see things get messy?
Early Reader · Change the reading level on the articleThings like to mix together. Warm things move toward cold things. This helps everything reach a balance. It is hard to undo this. It happens all the time. Do you see things change?
Early Reader · Change the reading level on the article