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 44 of 116
Explore related Science Lab activities about plants, animals and ecosystems or the human body, each at five reading levels.
These were big meat eaters. They lived a long time ago. They had long heads. They had three fingers. They had sharp teeth to eat. These dinosaurs were very large. Can you imagine seeing one?
Early Reader · Change the reading level on the articleThe carob is a big tree. It grows in warm places. It makes sweet pods. People use them like chocolate. You can eat them in treats! Do you like sweet food?
Early Reader · Change the reading level on the articleA man named Clusius loved plants. He went on big trips to find them. He found new things like tulips and potatoes. These plants help us today. He was a great plant helper. Do you like flowers?
Early Reader · Change the reading level on the articleCarol is a great scientist. She studies how our bodies work. She found a tiny part that helps cells. This part keeps our cells healthy. Her work won a big prize. Do you want to be a scientist too?
Early Reader · Change the reading level on the articleSmall bones make up your wrist. They connect your hand to your arm. There are eight tiny bones. They help your hand move. This lets you wave hello. Can you wiggle your wrist?
Early Reader · Change the reading level on the articleYour wrist has a tight space. A tiny wire runs through it. Sometimes, this wire gets squeezed. It can make your hand feel tingly. This might happen at night. A wrist brace can help. Does your hand ever feel tingly?
Early Reader · Change the reading level on the articleSome bees are called carpenter bees. They dig holes in wood. They make a home there. This helps many flowers grow. They are very busy! Can you find a bee?
Early Reader · Change the reading level on the articleSome sharks look like colorful rugs. They have pretty patterns on them. These patterns help them hide on the sea floor. This helps them stay safe. They live in the big blue ocean. Do you like patterns?
Early Reader · Change the reading level on the articleNature has a limit. A place can only hold so many living things. It needs enough food and water for everyone. If there are too many, they may go hungry. We must care for our world. Can you help keep it healthy?
Early Reader · Change the reading level on the articleThe pignut hickory is a tree. It grows in many places. It has sweet nuts. Many animals love to eat them. The leaves turn gold in the fall. Do you like trees?
Early Reader · Change the reading level on the articleThe shellbark hickory is a big tree. It has sweet nuts inside. Animals like to eat them. They help the tree grow. Its bark looks shaggy. Can you find a tree like this?
Early Reader · Change the reading level on the articleThis is a big tree. It has shaggy bark. It grows many nuts. Animals like to eat them. We can use the wood, too. Can you find a big tree?
Early Reader · Change the reading level on the articleThe mockernut is a big tree. It grows in many places. It can live for a very long time. It makes hard nuts for animals to eat. We can use its wood, too. Do you like trees?
Early Reader · Change the reading level on the articleMany plants are in one big group. Some have thick leaves. Some even eat bugs! You might eat some of them, like beets. They are all very special. Can you find a cactus?
Early Reader · Change the reading level on the articleSome goats have very soft hair. This hair keeps them warm. It grows when days get short. We use this soft hair for clothes. It feels nice on you. Do you like soft things?
Early Reader · Change the reading level on the articleA big tiger lived long ago. It lived near a large sea. The tiger had thick fur. It was very large. Now, these tigers are gone. We can learn about them. Do you like big cats?
Early Reader · Change the reading level on the articleThis animal lived a long time ago. It liked to swim in the water. It had soft hair to stay warm. It used its tail to move. It ate fish for food. Do you like to swim too?
Early Reader · Change the reading level on the articleSome people and animals lose parts of their bodies. This can happen in many ways. It can happen to help a sick person. It can also be used as a punishment. People have done this for a long time. Do you want to learn…
Early Reader · Change the reading level on the articleYour body breaks things down. It turns big food into small bits. This gives you energy to move. It helps you grow too. It is like magic! Do you feel strong today?
Early Reader · Change the reading level on the articleYour body makes special things. They help you move fast. They help your heart beat. They work when you are scared. These things help you stay safe. Do you feel your heart beat?
Early Reader · Change the reading level on the articleA caterpillar is a small bug. It likes to eat leaves. It grows very fast. Many animals like to eat them. Some have hair to stay safe. They are very busy. Do you like bugs?
Early Reader · Change the reading level on the articleA cat flea is a tiny bug. It lives on cats and dogs. It is very small and brown. It likes to hide in fur. This bug can make pets itchy. Do you see any fleas?
Early Reader · Change the reading level on the articleA doctor uses a thin tube. It is soft and long. It can help your body. It can move food or air. It can also drain liquid. It helps you feel better. Can you imagine a tiny tube?
Early Reader · Change the reading level on the articleThese are white birds. They like to stay near cows. They eat bugs in the grass. This helps the cows stay clean. It is a nice way to help. Do you like cows?
Early Reader · Change the reading level on the articleDoctors can use heat to help. They use it to stop bleeding. This helps a person get well. It can even help fix a nosebleed. It is a very smart way to help. Do you want to learn more?
Early Reader · Change the reading level on the articleA big bear lived long ago. It liked to sleep in caves. It ate plants for food. This bear was very large. It lived in Europe and Asia. Do you like caves?
Early Reader · Change the reading level on the articleThe cave hyena was a big animal. It lived a long time ago. They lived in groups. They liked to hunt large animals for food. They were much bigger than hyenas today. Could you imagine seeing one?
Early Reader · Change the reading level on the articleThe Cavendish is a kind of banana. It grows on big plants. Most bananas you eat are this kind. They turn from green to yellow. Then they taste very sweet. Do you like to eat them?
Early Reader · Change the reading level on the articleThese are tiny flies. They are very small. They have long feelers. Some live inside plants. They make bumps on leaves. Can you find one?
Early Reader · Change the reading level on the articleA small part of your body helps you. It is a tiny pouch. It sits on your right side. It helps move waste. This part is very helpful. Do you want to learn more?
Early Reader · Change the reading level on the articleThe cedar is a big tree. It grows on high mountains. It stays green all year. People use its wood for things. It is on the flag of Lebanon. Do you like big trees?
Early Reader · Change the reading level on the articleThis is a medicine. It helps fight bad germs. It stops germs from growing. It helps you get well. It is very helpful. Do you feel better soon?
Early Reader · Change the reading level on the articleCeleriac is a root you can eat. It looks like a big white knob. It grows in many warm places. You can use it in soup. It can also go in salads. It tastes like celery. Do you like to eat vegetables?
Early Reader · Change the reading level on the articleYou have many tiny wires in your body. These wires are nerves. They sit near your tummy. They help your body work. Sometimes a hit to the tummy hurts. It can make it hard to breathe. Can you feel your tummy?
Early Reader · Change the reading level on the articleScientists can grow tiny living parts. They keep them in a warm place. The parts get food to help them grow. This helps us learn how we work. It even helps make medicine. Do you want to learn more?
Early Reader · Change the reading level on the articleTiny parts of our bodies can die. This can be a natural thing. Old parts leave so new parts can grow. This helps us stay healthy. It even helps our fingers grow. Do you have new parts growing?
Early Reader · Change the reading level on the articleOne tiny cell can turn into two. It makes a copy of itself first. Then the cell splits apart. This helps you grow big. It also helps your body fix itself. Can you imagine being so small?
Early Reader · Change the reading level on the articleCells like to hold hands. They stick together to stay strong. This helps your skin and heart work. They can also talk to each other. It is like a tiny bridge. Do you think cells are busy?
Early Reader · Change the reading level on the articleTiny cells can move. They crawl to new spots. They help heal your skin. This helps you stay well. It is very cool! Can you imagine moving like a cell?
Early Reader · Change the reading level on the articleCells have a front and a back. This helps them do their jobs. Some cells use this to move. Other cells use it to send signals. This helps your body work well. Do you wonder how they do it?
Early Reader · Change the reading level on the articleTiny cells change into new kinds. They grow and change shape. Some become skin. Some become bone. This helps your body grow. It helps you stay well. Can you feel your bones?
Early Reader · Change the reading level on the articleThe cornflower is a pretty plant. It has bright blue flowers. These flowers grow in the summer. Bees like to visit them for food. You can even use them on ice cream! Do you like the color blue?
Early Reader · Change the reading level on the articleYour body has a plan. This plan tells your body how to grow. It is like a book of rules. These rules help make you, you! It is very cool. Do you want to learn more?
Early Reader · Change the reading level on the articleTiny parts help your cells work. They give the cell its shape. These parts also help cells divide. This helps you grow. It is like a little center for the cell. Can you imagine tiny parts working inside you?
Early Reader · Change the reading level on the articleThis was an old fish. It had a hard head. The head was like a shield. It lived in the mud. It ate tiny things in the sand. It was a cool fish. Can you find it in the mud?
Early Reader · Change the reading level on the articleSome sea animals have many arms. They live in the big ocean. An octopus or a squid can change color. This helps them hide. It is very cool to see! Do you like the ocean?
Early Reader · Change the reading level on the articleSquids and octopuses have beaks. These beaks work like scissors. They help the animals eat. The beaks are very strong. They do not break easily. Can you find a beak in the sea?
Early Reader · Change the reading level on the articleSome medicines fight bad germs. These medicines come from a mold. They help you feel better when you are sick. They stop germs from growing. Do you want to stay healthy?
Early Reader · Change the reading level on the article