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 76 of 116
Explore related Science Lab activities about plants, animals and ecosystems or the human body, each at five reading levels.
The blue star lives in the sea. It can be blue or orange. It has many long arms. It moves very slowly on the sand. You might see it near coral. It is a pretty animal. Do you like the blue sea?
Early Reader · Change the reading level on the articleLinda Buck is a smart scientist. She studies how we smell things. She found how our noses work. This helps us know what scents are near us. Her work is very big. Do you like to smell flowers?
Early Reader · Change the reading level on the articleSome sea animals look like tongues. They have hard shells. They live in sand and mud. They have been here a long time. You can find them in the sea. They are very old. Do you like the sea?
Early Reader · Change the reading level on the articleA group of people study nature. They look at plants and animals. They keep many old books. They help us learn about life. It is a very old group. Do you like to look at bugs?
Early Reader · Change the reading level on the articleThese are very small spiders. They make thin webs. Some spiders live in the snow. They can even fly in the air! This helps them travel far. Do you like tiny spiders?
Early Reader · Change the reading level on the articleThe lionfish is a pretty fish. It has red and white stripes. It has long, sharp spines. These spines can sting you. It likes to eat small fish. Do you like to look at fish?
Early Reader · Change the reading level on the articleThis is a giant jellyfish. It has long, red hair. These look like a lion's mane. It lives in cold water. It can be very big. Do you like the ocean?
Early Reader · Change the reading level on the articleA lion tamarin is a small monkey. It has hair like a lion. They live in big trees in Brazil. They eat fruit and bugs. The father carries the babies. It is a cute animal. Can you see its mane?
Early Reader · Change the reading level on the articleThis was a big sea animal. It lived in the ocean long ago. It had four flippers to swim. It had a long head. It ate fish for food. It was a fierce hunter. Can you imagine seeing it?
Early Reader · Change the reading level on the articleYour lips are soft and move. They help you eat food. They also help you talk. They feel things like warmth. Lips can get dry in the cold. Do you use your lips to smile?
Early Reader · Change the reading level on the articleTiny walls hold our cells together. They are made of two thin layers. These layers keep things in the right place. This helps you stay healthy. Do you feel strong today?
Early Reader · Change the reading level on the articleDoctors use a blood test. It checks things in your blood. This helps keep your heart strong. It can show if you are healthy. We want you to feel good! Do you like staying healthy?
Early Reader · Change the reading level on the articleTiny germs have a hard skin. This skin helps them stay safe. Sometimes, the skin can make us feel sick. It can even give us a fever. We must stay healthy! Do you feel good today?
Early Reader · Change the reading level on the articleYour body needs fat to work. Fat cannot move in your blood alone. Tiny bits carry the fat to you. These bits have a shell. The shell helps the fat move. It is like a little boat. Do you have enough fat to grow?
Early Reader · Change the reading level on the articleThe tulip tree is very big. It has pretty flowers. The flowers look like tulips. These trees grow tall in the woods. They help make wood for homes. Do you like big trees?
Early Reader · Change the reading level on the articleThis is a giant snail. It lives on land. It can be very big. It eats many plants. This snail can be a pest. Do you like snails?
Early Reader · Change the reading level on the articleTiny germs can live in food. They can stay cold in a fridge. These germs can make us sick. It is good to wash food well. We must be very careful. Do you like to eat fresh food?
Early Reader · Change the reading level on the articleStone oaks are big trees. They grow in warm places. These trees have hard seeds. The seeds look like nuts. Some people can eat them. They are very pretty. Do you like nuts?
Early Reader · Change the reading level on the articleLong ago, these animals lived in South America. Some were very big. Some were very small. They had hard feet like horses. They are gone now. Do you like old animals?
Early Reader · Change the reading level on the articleThe little egret is a white bird. It has long black legs. It likes to find food in water. It eats small fish. The bird is very pretty. Do you like to see white birds?
Early Reader · Change the reading level on the articleThe pinky is your smallest finger. It sits on the edge of your hand. You can use it to make a promise. Some people wear rings on it too. It helps you hold a phone. Do you use your pinky to hold things?
Early Reader · Change the reading level on the articleThe little owl is a small bird. It lives in many places. It eats bugs and worms. It can live in trees or holes. This owl is very smart. Can you spot one in a tree?
Early Reader · Change the reading level on the articleThe little penguin is very small. It has blue feathers. These birds live by the sea. They dive in the water for food. They sleep in holes in the sand. Do you like blue birds?
Early Reader · Change the reading level on the articleSome sickness starts in the liver. The liver helps our body. This sickness can make people ill. It can spread to the liver. Doctors help people stay well. Do you want to learn more?
Early Reader · Change the reading level on the articleSome animals look like old fossils. They look like they did long ago. These animals have stayed the same. This helps them live for a long time. It is very cool to see them! Do you like old animals?
Early Reader · Change the reading level on the articleA giant whale lived long ago. It was a very big hunter. It had huge teeth for biting. It lived in the deep blue sea. We can still find its old teeth. Can you imagine a whale that big?
Early Reader · Change the reading level on the articleLi was a doctor. He worked in a big hospital. He told his friends about a new sickness. He wanted to keep people safe. Li got sick too. He died from the sickness. Do you know any doctors?
Early Reader · Change the reading level on the articleLoaches are small fish. They live in rivers and creeks. Some hide in the sand. They have tiny whiskers on their mouths. You can see them in tanks at home. Do you like fish?
Early Reader · Change the reading level on the articleThis green thing looks like a leaf. It grows on tree bark. It likes damp woods. It helps show if a forest is very old. This living thing needs clean air to grow. Can you find it on a tree?
Early Reader · Change the reading level on the articleLong ago, tiny bugs lived in the sea. They had soft bodies. They had short, stubby legs. These legs helped them move. Some even had small claws. Can you find them in the rocks?
Early Reader · Change the reading level on the articleA doctor can stop pain in one spot. This helps when you fix a tooth. You stay awake for this. It helps you feel safe. It is very helpful. Do you feel brave?
Early Reader · Change the reading level on the articleMedicine can stop pain in one spot. It helps your body feel nothing there. This is great for a visit to the dentist. It makes hard work much easier. We use it to stay safe. Do you know a doctor?
Early Reader · Change the reading level on the articleSome small birds live in tall grass. They are brown and slim. They hunt for bugs on the ground. Their songs sound like grasshoppers. These birds are fun to watch. Can you hear their songs?
Early Reader · Change the reading level on the articleThe loggerhead is a big sea turtle. It lives in the deep blue ocean. It has a hard shell to stay safe. The turtle has a very big head. It eats many things from the sea floor. Do you like sea turtles?
Early Reader · Change the reading level on the articleThe London Zoo is very old. It has many animals. You can see birds and fish. It helps us learn about them. It is a fun place to go. Do you like animals?
Early Reader · Change the reading level on the articleSometimes we feel lonely. It means we miss friends. We might feel this way even with people. It is okay to feel this. Many people feel it too. Have you ever felt lonely?
Early Reader · Change the reading level on the articleGeorge was a big tortoise. He lived on an island. He was the last one of his kind. This helped people learn how to save animals. We can learn from him. Do you like big tortoises?
Early Reader · Change the reading level on the articleLongclaws are small birds. They live in Africa. They have very long claws. These help them walk on grass. They eat bugs on the ground. They make nests on the ground too. Can you see their long claws?
Early Reader · Change the reading level on the articleThe longfin mako is a shark. It lives in the big, blue ocean. This shark has very long fins. It eats small fish and squid. We must help keep them safe. Do you like sharks?
Early Reader · Change the reading level on the articleSome beetles have very long feelers. These feelers can be longer than their bodies. They live on almost every land. Some eat wood. Others drink sweet juice from flowers. They help plants grow. Can you find one in a book?
Early Reader · Change the reading level on the articleThe longleaf pine is a big tree. It lives in the warm South. It has very long green needles. These trees can live for a long time. They help many animals find food. Do you like tall trees?
Early Reader · Change the reading level on the articleLong pepper is a plant from India. It grows on a vine. People dry the fruit to use as a spice. It tastes sweet and hot. You can find it in some stews. Do you like spicy food?
Early Reader · Change the reading level on the articleThis duck has a long tail. It lives in cold places. It swims in the sea. It dives deep for food. We can see them in big groups. It is a pretty bird. Do you like ducks?
Early Reader · Change the reading level on the articleThe long-tailed weasel is a small animal. It has a long body. It has a black tip on its tail. It lives in the woods. It likes to hunt for food. Can you see its long tail?
Early Reader · Change the reading level on the articleA long time ago, a big animal lived. It lived in hot, green woods. It ate leaves for food. It was very heavy and strong. It is gone now. Do you like big animals?
Early Reader · Change the reading level on the articleMany animals are part of one big group. This group has snails and worms. Some have tiny hair-like parts to eat. These animals live in many places. They are very special to study. Can you find a snail?
Early Reader · Change the reading level on the articleLorenz Oken loved nature. He studied many living things. He looked at plants and animals. He wanted to know how they work. He even wrote a big book. He was a great teacher. Do you like to look at bugs?
Early Reader · Change the reading level on the articleTiny animals live in the sea. They are very, very small. They wear a hard shell like armor. They hide in the sand. These little friends live deep down. Can you find them? They are hard to see!
Early Reader · Change the reading level on the article