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.
Tiny things move in our bodies. They need help to get through walls. Special parts act like little doors. They let food and air pass through. This helps us stay healthy. Do you feel strong today?
Early Reader · Change the reading level on the articleSome animals walk on two legs. They usually use four legs. But they can stand up too. This helps them reach food. It also helps them move fast. Can you walk on two legs?
Early Reader · Change the reading level on the articleSome trees make nuts. These are oaks and chestnuts. They grow in big forests. Many animals eat their food. We use their wood for chairs. The trees are very helpful. Do you like nuts?
Early Reader · Change the reading level on the articleSome big trees are in one group. They include oaks and walnuts. Many of these trees grow tall. They help our world look green. We can see them in the woods. Do you like to sit under trees?
Early Reader · Change the reading level on the articleThe beech tree is very tall. It has smooth, gray bark. It grows in big forests. Small nuts grow on it. Animals love to eat them. These nuts are good food for us too. Can you find a beech tree?
Early Reader · Change the reading level on the articleThis is a big tree. It has smooth, grey bark. It grows in many places. Animals love to eat its nuts. We can use its wood too. It is a very special tree. Do you like big trees?
Early Reader · Change the reading level on the articleA special wolf lived on some islands. It had brown fur. Its tail had a white tip. People hunted the wolf for its fur. Now, this wolf is gone. We can only see its bones. Do you like wolves?
Early Reader · Change the reading level on the articleThe fall armyworm is a small bug. It looks like a worm. It eats many plants. It eats corn too. This can hurt the food we eat. It is a very busy bug. Have you seen a worm before?
Early Reader · Change the reading level on the articleThis animal is a long crocodile. It lives in wet swamps. It has a very long nose. It has many sharp teeth. We must help keep them safe. Can you see its long nose?
Early Reader · Change the reading level on the articleThe false killer whale is a big dolphin. It lives in warm oceans. It likes to swim in large groups. These whales are very friendly to others. They swim together in the deep sea. Do you like to swim too?
Early Reader · Change the reading level on the articlePlants and animals have groups. We call these groups families. They help us see how things are alike. You can find them in nature. It helps us learn about the world. Do you like to look at plants?
Early Reader · Change the reading level on the articleA family doctor helps people. They help kids and adults. They help you stay well. They can help your whole family. They are very kind. Do you know a doctor?
Early Reader · Change the reading level on the articleFancy pigeons are special birds. They can be many colors. Some have very pretty feathers. People show them in big contests. They can win prizes for being beautiful. Do you like these birds?
Early Reader · Change the reading level on the articleThe fanfin is a fish. It lives in the deep, dark sea. The girls are big with large mouths. The boys are very small. They live in the big ocean. We can learn about them. Do you like deep sea fish?
Early Reader · Change the reading level on the articleA fang is a long, sharp tooth. Some animals use them to bite. They help cats catch food. Snakes also have them. They can be very strong. Can you see sharp teeth in a picture?
Early Reader · Change the reading level on the articleSome eyes see far things well. But close things look blurry. This can make your eyes feel tired. You can wear glasses to help. Glasses make things look clear. Do you like to read books?
Early Reader · Change the reading level on the articleSometimes we feel very tired. It can happen after we play hard. It can also happen if we do not sleep well. This feeling can stay for a long time. It can make our bodies feel heavy. Do you ever feel this way?
Early Reader · Change the reading level on the articleThis bug has a fat tail. It lives in dry, sandy places. It hides in cracks during the day. It comes out at night. We must be very careful near it. Do you like bugs?
Early Reader · Change the reading level on the articleSome dinosaurs had feathers. These feathers helped them stay warm. They were not just for birds. This helps us learn about them. Do you like birds?
Early Reader · Change the reading level on the article{ "text":\"Germs can move from waste to our mouths. They use hands, flies, or water. This can make us sick. Washing your hands helps keep us safe. We can stay healthy! Do you wash your hands?\", "media": […
Early Reader · Change the reading level on the articleYour body uses food to grow. Some food does not get used. It leaves your body as poo. This can help plants grow. It can even be used for fuel. Do you know where it goes?
Early Reader · Change the reading level on the articleFeelings are what we feel inside. They can be good or bad. They happen in our minds. Feelings help us know how we are doing. We can feel love or hurt. Do you know how you feel today?
Early Reader · Change the reading level on the articleThese are bright Fe'i bananas. They have red or orange skin. The inside is yellow. They grow on tall plants. People cook them to eat. They are very good food. Do you like bananas?
Early Reader · Change the reading level on the articleFélix was a man who studied tiny things. He found a tiny helper in the air. This helper fights bad germs. It helps people stay well. He was a great explorer. Do you like to explore?
Early Reader · Change the reading level on the articleSome women feel a gush of liquid. This happens during a special feeling. It comes from small parts inside the body. These parts are near where we pee. It is a natural thing. Do you want to learn more?
Early Reader · Change the reading level on the articleThis is your thigh bone. It is the longest bone in your body. It is also very thick. It helps you walk and run. It is a very strong bone. Can you feel your leg?
Early Reader · Change the reading level on the articleThe fennec fox is a tiny fox. It lives in the hot sand. It has very big ears. The ears help it stay cool. It eats bugs and small birds. Do you like small foxes?
Early Reader · Change the reading level on the articleThis plant is called fenugreek. People use the leaves and seeds. They put it in tasty food. It can smell like sweet syrup. It is used in many places. Do you like to try new food?
Early Reader · Change the reading level on the articleSome cats live outside. They stay away from people. These cats like to hide. They hunt for food. They are very good at it. Do you see a cat hiding?
Early Reader · Change the reading level on the articleSome horses live in the wild. They used to live with people. Then they ran away or were left behind. Now they live in big groups. They find their own food. Do you like horses?
Early Reader · Change the reading level on the articleFerdinand was a smart man. He studied tiny living things. He found many new groups of them. His work helps us today. He loved to learn. Do you like to learn new things?
Early Reader · Change the reading level on the articleA ferret is a small pet. It has a long body. Its fur can be white or brown. Ferrets like to play and jump. They can be very silly! Do you like small pets?
Early Reader · Change the reading level on the articleThe ferret-badger is a small animal. It lives in many warm places. Some look like badgers. Some look like ferrets. These animals can make people sick. We must be careful around them. Do you like small animals?
Early Reader · Change the reading level on the articleA fever is when you feel hot. It helps your body fight germs. Your body makes heat to stay safe. You might feel cold or shake. This helps you get well. Do you feel warm today?
Early Reader · Change the reading level on the articleTiny living things live in bellies. They help cows eat plants. They break down plant parts for food. These tiny things live in bugs, too. They help the world stay healthy. Can you find them in a cow?
Early Reader · Change the reading level on the articleTiny cells help build your body. They make the parts that hold you together. They even help fix you when you get a boo-boo. These cells work hard every day. We need them to stay strong. Do you have tiny cells too?
Early Reader · Change the reading level on the articleYou have a small bone in your leg. It sits next to a bigger bone. It helps keep your ankle steady. This bone helps your muscles move. It is thin and long. Can you feel your leg bone?
Early Reader · Change the reading level on the articleFigs are special plants. They grow in warm places. Many animals eat their fruit. This helps them stay full. Some figs are very big trees. They can even have roots in the air. Do you like to eat figs?
Early Reader · Change the reading level on the articleFiddler crabs live by the sea. The boys have one very big claw. It looks like a musical tool. They wave it to say hello. They also dig holes in the sand. Do you like crabs?
Early Reader · Change the reading level on the articleThe fiddler ray lives in the sea. It swims near the sandy bottom. It eats small crabs and worms. These fish are safe to be near. We can see them in the water. Do you want to find one?
Early Reader · Change the reading level on the articleThe Field Museum is a big place. It is in Chicago. You can see old bones there. You can see animals too. It helps us learn about our world. Do you want to go visit?
Early Reader · Change the reading level on the articleSmall wasps live in figs. They help the fruit grow. Some wasps help the tree. Some wasps just eat. We can see them in fruit. Do you like figs?
Early Reader · Change the reading level on the articleSome tiny things live in water. They are very small. They look like little stars. They have long bits that reach out. These bits help them catch food. They help us learn about animals. Can you find a star in the water?
Early Reader · Change the reading level on the articleFilefish live in the sea. Their skin feels rough like sand. They have a small spine on their head. This helps them stay safe. They hide in green seaweed. Do you like to look at fish?
Early Reader · Change the reading level on the articleFinger millet is a small plant. It grows in hot places. It can grow with very little rain. This plant makes tiny seeds. We can use the seeds for food. It stays good for a long time. Do you like to eat seeds?
Early Reader · Change the reading level on the articleThese animals live in the sea. They do not have a fin on their back. They have a small ridge instead. They live in big oceans and rivers. We can see them in the water. Do you like to see animals in the sea?
Early Reader · Change the reading level on the articleThe fin whale is a big whale. It lives in the deep blue sea. This whale is very fast. It swims with its friends in a group. It is a very special animal. Do you like big whales?
Early Reader · Change the reading level on the articleSome small frogs have bright bellies. They are red or yellow. This bright color is a warning. It tells others they taste bad. They like to live near water. Do you like to look at frogs?
Early Reader · Change the reading level on the article