Read about living things, from cells and plants to animals and the human body. Choose an article below; its reading controls let you move between the available levels.
5,533 public articles · Page 108 of 116
Explore related Science Lab activities about plants, animals and ecosystems or the human body, each at five reading levels.
Theodor Schwann was a smart man. He studied how life works. He found that animals are made of tiny parts. These parts are called cells. He also studied how food breaks down. His work helps us learn about our bodies.…
Early Reader · Change the reading level on the articleA man named Dobzhansky loved bugs. He studied how tiny flies change over time. This work helps us learn about life. His books help us see the world. Do you like to look at bugs?
Early Reader · Change the reading level on the articleYou can know how others feel. You can guess what they think. This helps you play with friends. It helps you be kind. It is a special way to learn. Do you like to learn about friends?
Early Reader · Change the reading level on the articleThese animals were like our old kin. They lived a long time ago. They had legs that stood under them. This helped them walk well. They are the ones that led to us! Can you find a mammal today?
Early Reader · Change the reading level on the articleSome spiders make messy webs. They live in many places. They can live in your home. They use sticky silk to catch bugs. They are very neat at fixing webs. Do you see any spiders?
Early Reader · Change the reading level on the articleA giant dinosaur lived long ago. It had very long claws. The claws were on its hands. It used them to pull leaves. The dinosaur was very tall. It could reach high plants. Can you imagine such big claws?
Early Reader · Change the reading level on the articleYour body makes its own heat. This helps you stay warm. It can even happen when you sleep. Moving your body helps too. Sometimes you might shake to get warm. Can you feel your own warmth?
Early Reader · Change the reading level on the articleSome tiny things live in hot places. They like to live in sour water. They do not have a hard skin. A special layer keeps them safe. This helps them stay alive. They are very strong. Can you imagine living in hot water?
Early Reader · Change the reading level on the articleSome tiny life lives in hot places. It can live in deep mines. It can live in the sea too. This life helps the world. We can find it in hot springs. Can you find it in the water?
Early Reader · Change the reading level on the articleTiny life lives in many places. Some like very hot water. They can live in the sea too. They help the earth stay healthy. These small things are everywhere! Do you like to explore?
Early Reader · Change the reading level on the articleSome tiny life lives in hot water. It lives in hot springs. It can live in very high heat. This helps us learn about our bodies. It is a tiny wonder! Can you find a hot spring?
Early Reader · Change the reading level on the articleLong ago, beast-heads lived on Earth. They had very big heads. Most of them ate meat. Some even had whiskers. They were like old cousins to us. Do you like big teeth?
Early Reader · Change the reading level on the articleSome dinosaurs were very special. They had hollow bones. They had three toes. Many of them ate meat. Some even had soft feathers. Today, birds are part of this group. Can you see a bird outside?
Early Reader · Change the reading level on the articleThis was a dinosaur. It lived a long time ago. It ate plants for food. It walked on two legs. It had a very long tail. It was a small dinosaur. Do you like dinosaurs?
Early Reader · Change the reading level on the articleA book tells us about life. It looks at how tiny parts work. These parts help living things grow. This helps us learn about our world. It is a very big idea. Do you want to learn more?
Early Reader · Change the reading level on the articlePeople write about animals in books. This list keeps track of those books. It helps us know the names of animals. It is on computers now. It is very helpful. Do you like animals?
Early Reader · Change the reading level on the articleOur bodies need special food to stay well. This food helps our hearts work. It also helps our brains work. If we do not get enough, we feel weak. We can take this food to feel better. Do you eat good food?
Early Reader · Change the reading level on the articleYour thigh is part of your leg. It goes from your hip to your knee. One big bone is inside your leg. This bone is very strong and long. It helps you move and run. Do you feel your strong leg muscles?
Early Reader · Change the reading level on the articleTom was a scientist. He studied tiny living things. He helped name groups of life. This helps us learn about nature. He worked at a big school. Do you like to learn about tiny things?
Early Reader · Change the reading level on the articleA man named Thomas studied life. He looked at tiny flies. He found out how babies get traits from parents. This helps us know how we grow. It is very cool! Do you like flies?
Early Reader · Change the reading level on the articleThomas Noguchi was a doctor. He worked in a big city. He looked at why people died. He even looked at famous people. He helped find the truth. Do you want to be a doctor?
Early Reader · Change the reading level on the articleThomas Starzl was a doctor. He helped people with sick parts in their bodies. He was the first to move a liver to a new person. This helped many people stay well. He was a very great doctor. Do you want to be a…
Early Reader · Change the reading level on the articleThomas was a doctor. He helped many sick people. He wrote books to help other doctors. He was very kind to his patients. He wanted to help everyone feel better. Do you want to be a doctor too?
Early Reader · Change the reading level on the articleThomas Wakley was a doctor. He helped make things fair. He wrote a news book for doctors. He also worked in a big hall for laws. He wanted to help all people. Do you like to help others?
Early Reader · Change the reading level on the articleSome spiders look like crabs. They walk sideways. They hide on bright flowers. This helps them catch food. They do not make webs. They are not bad for you. Can you find one?
Early Reader · Change the reading level on the articleA special muscle helps you breathe. It sits inside your chest. It moves to pull air into your lungs. This helps you stay alive. It is a very busy muscle! Can you feel your chest move?
Early Reader · Change the reading level on the articleThe middle part of an insect is strong. It holds the legs and the wings. It also holds the head. This part helps them move. It is a busy place! Can you find a bug? Look for its middle part.
Early Reader · Change the reading level on the articleThe thorny devil is a lizard. It lives in the hot desert. It has many sharp spikes. These spikes help it stay safe. It can drink water through its skin. Do you like lizards?
Early Reader · Change the reading level on the articleThis is a small fish. It lives in the sea and lakes. It has sharp spines on its back. These spines help it stay safe. The fish can change color. Do you like to look at fish?
Early Reader · Change the reading level on the articleOur bodies need special bits to grow. These bits help build our bodies. We get them from the food we eat. You can find them in fish or beans. This helps us stay strong. Do you like eating beans?
Early Reader · Change the reading level on the articleThe thresher shark has a long tail. This tail is like a whip. It helps the shark catch fish. These sharks live in the big ocean. They can even jump out of the water! Do you like sharks?
Early Reader · Change the reading level on the articleThis was a small animal. It was like a fox. It lived a long time ago. It could dig holes in the ground. It is very cool to see! Can you imagine a fox that digs?
Early Reader · Change the reading level on the articleThrips are very tiny bugs. They have thin bodies. Their wings look like tiny feathers. Some thrips eat plants. Others help flowers grow. They are small but busy! Can you find one in a garden?
Early Reader · Change the reading level on the articleYour throat is in your neck. It helps you eat food. It also helps you breathe air. It lets you talk to friends. It works with your nose and mouth. It is a busy place! Do you feel your throat when you swallow?
Early Reader · Change the reading level on the articleSometimes blood clumps inside your body. These clumps can block your blood. This can make you very sick. It might hurt your heart or brain. We must keep our blood moving well. Do you like to run and play?
Early Reader · Change the reading level on the articleYour thumb is a special part of your hand. It sits next to your finger. It can touch your other fingers. This helps you grab things. It is a very helpful part of you. Do you use your thumb to hold a pen?
Early Reader · Change the reading level on the articleThe thylacine was a wild animal. It had stripes on its back. It looked like a big dog. It had a pouch for its young. This animal is gone now. Can you find it in a book?
Early Reader · Change the reading level on the articleThese were sea animals from long ago. They lived in the water. They had a hard shell. They had very big eyes. These eyes helped them see. Can you imagine having huge eyes?
Early Reader · Change the reading level on the articleThe marsupial lion lived long ago. It lived in Australia. It was a big hunter. It had very strong teeth. It was much like a lion. It was a very cool animal. Do you like big cats?
Early Reader · Change the reading level on the articleThis animal had long teeth. It lived a long time ago. It lived in South America. The teeth look like knives. It was a big hunter. We can see its bones in museums. Do you like old bones?
Early Reader · Change the reading level on the articleTiny green pouches live in plants. They help the plant make food. They use light from the sun. This helps the plant grow big. It is a very cool job! Can you find a green leaf?
Early Reader · Change the reading level on the articleTiny parts build your body. These parts are in your cells. They help you grow. They work like building blocks. We need them to stay well. Do you have tiny parts too?
Early Reader · Change the reading level on the articleYou have a special part in your chest. It helps your body stay well. It teaches your tiny cells how to fight. This helps you stay strong. It is very busy when you are small. Do you feel strong today?
Early Reader · Change the reading level on the articleSome dinosaurs had armor. They had hard plates on their skin. These plates were like shields. They helped the dinosaurs stay safe. Most of them ate plants. Do you want to see their armor?
Early Reader · Change the reading level on the articleYour body has a tiny part that helps you. It makes things that give you energy. It helps you grow big and strong. This part needs food to work well. It is a very busy little part! Do you feel full of energy?
Early Reader · Change the reading level on the articleThis is a big bone in your leg. It is called the shinbone. It goes from your knee to your ankle. It helps hold up your body. It is very strong. Can you feel your shin?
Early Reader · Change the reading level on the articleSmall ticks can make us sick. They live in tall grass. They hide in the woods. A bite can cause a fever. You can wear long sleeves to stay safe. Always check your skin for ticks. Have you seen a tick before?
Early Reader · Change the reading level on the articleThis was a very old fish. It lived a long time ago. It had fins like a fish. But it also had bones like us. It could help it move in shallow water. It is a special link in history. Can you imagine a fish with a neck?
Early Reader · Change the reading level on the article