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 79 of 116
Explore related Science Lab activities about plants, animals and ecosystems or the human body, each at five reading levels.
The Masai giraffe is very tall. It lives in East Africa. It has jagged spots on its skin. This animal is the tallest on land. It can reach leaves in high trees. We must help them stay safe. Can you see their long necks?
Early Reader · Change the reading level on the articleThis was a small dinosaur. It lived in a place called Madagascar. It had teeth that pointed out. These teeth helped it grab small food. It walked on two legs. Do you like dinosaurs?
Early Reader · Change the reading level on the articleWater moves inside plants. It flows up from the soil. It goes all the way to the leaves. This helps the plant stay healthy. It is like a tiny river. Can you see a green plant? We love plants!
Early Reader · Change the reading level on the articleSmall cells live in your body. They act like tiny guards. They watch for things that might hurt you. They tell your body to help fix a cut. They help keep you safe. Do you have guards in your body too?
Early Reader · Change the reading level on the articleThe mastodon was a big animal. It looked like an elephant. It lived a long time ago. It ate leaves and fruit. It was very heavy. Do you think it was tall?
Early Reader · Change the reading level on the articleA den is a safe home. It is a place for new babies. Some dens are under the ground. Some are in the snow. They keep the babies warm and safe. Can you find a den?
Early Reader · Change the reading level on the articleMathieu was a smart man. He studied how things can hurt us. He found ways to test food. This helps keep people safe. He was a very good doctor. Do you like to learn new things?
Early Reader · Change the reading level on the articleMaud Menten was a smart doctor. She studied how the body works. She helped find new ways to help sick children. Her work is still used today. She loved to learn many things. Do you like to learn new things too?
Early Reader · Change the reading level on the articleMaurice Hilleman was a great scientist. He made many shots to keep us well. These shots help stop bad germs. They save many lives every year. He helped so many people. Do you like science?
Early Reader · Change the reading level on the articleYour upper jaw is a bone. It stays still in your face. This bone holds your top teeth. It also helps make the roof of your mouth. It is very strong. Do you feel your teeth?
Early Reader · Change the reading level on the articleMax Theiler was a smart doctor. He helped stop a bad sickness. He made a way to keep people safe. This work helped many people. He won a very big prize. Do you like to help people?
Early Reader · Change the reading level on the articleMay-Britt Moser is a smart scientist. She studies how the brain works. She found out how we know where we are. This helps us learn about our minds. She won a very big prize. Do you like to learn new things?
Early Reader · Change the reading level on the articleMayflies are tiny bugs. They live in clean water. They grow for a long time. Then they fly. They do not eat as adults. Their life in the air is very short. Do you see them fly?
Early Reader · Change the reading level on the articleSome bugs look like flies. They have long bodies. Some look like scorpions. They like to live in wet places. They help clean up the world. Do you like bugs?
Early Reader · Change the reading level on the articleDoctors help people in need. They go to many far places. They help when people are sick. They give care to everyone. This work helps the world. Do you want to help others?
Early Reader · Change the reading level on the articleTools help us stay well. Some tools are very simple. Others help our hearts beat. These tools must be safe. They help doctors fix us. Do you know a tool like this?
Early Reader · Change the reading level on the articlePeople learn to be doctors. They study in a big school. They learn how to help you. They learn to fix your body. This helps everyone stay well. Do you want to be a doctor?
Early Reader · Change the reading level on the articleSometimes people get very sick. They might get a bad hurt. This can be a big emergency. You can call for help. Helpers will come to help you. We can stay calm and wait. Can you help a friend?
Early Reader · Change the reading level on the articleDoctors help people with family health. They look at how we grow. This helps us stay well. It can help babies too. It is very good work. Do you want to learn more?
Early Reader · Change the reading level on the articleDoctors wear thin gloves on their hands. These gloves keep germs away. They help keep people safe. They also keep doctors safe. It is a smart way to work. Do you like wearing gloves?
Early Reader · Change the reading level on the articleDoctors use art to help people. They read stories to learn. They look at pictures too. This helps them be kind. It helps them understand you. Do you like stories?
Early Reader · Change the reading level on the articleSometimes, things we do are called sicknesses. Doctors may try to help us. They use new tools or medicine. This can help us feel better. But some people think it is too much. Do you think doctors help us stay well?
Early Reader · Change the reading level on the articleA lab is a special place. People test things from your body. They look at your blood. This helps doctors see if you are well. It helps them keep you healthy. Do you want to see how they work?
Early Reader · Change the reading level on the articleTiny things can make us sick. Some live in the air or water. Doctors study them to help us. They find ways to keep us well. This helps everyone stay safe. Do you want to learn more?
Early Reader · Change the reading level on the articleDoctors use special steps to help you. They may check how you feel. They may use tools to fix a boo-boo. These steps help you stay well. It is a way to get better. Do you want to stay healthy?
Early Reader · Change the reading level on the articleSome schools teach people to be doctors. Students study for a long time. They learn how to help sick people. This work matters to you and me. It is a big job. Do you want to help people?
Early Reader · Change the reading level on the articleSome doctors do one job. They help kids feel better. Other doctors help your heart. They learn a lot to help you. This helps everyone stay well. Do you know a doctor?
Early Reader · Change the reading level on the articlePlants can help us feel better. Some plants help with pain. They can also help a fever. People have used them for a long time. We use them to stay healthy. Do you like plants?
Early Reader · Change the reading level on the articleLong ago, doctors learned much. They read old books. They used many new ideas. These ideas helped people feel well. This work helped the whole world. Can you imagine being a doctor?
Early Reader · Change the reading level on the articleSome lands have dry summers. They have rainy winters too. Many plants grow there. Some plants have hard leaves. The leaves help them stay wet. These plants are very special. Do you like the sun?
Early Reader · Change the reading level on the articleThis is a small lizard. It likes to live in homes. It comes out at night. It eats bugs for food. It can be a pet. Do you see one?
Early Reader · Change the reading level on the articleA part of your brain helps you live. It helps you breathe. It helps your heart beat. It even helps you sneeze! It works while you sleep. It is very busy. Can you feel your heart beat?
Early Reader · Change the reading level on the articleSometimes, kids get a sick spot in their brain. This spot grows fast. It can make a child feel very bad. Doctors work hard to help them get well. We hope they feel better soon. Do you want to learn more?
Early Reader · Change the reading level on the articleThe Megacerops was a huge animal. It lived a long time ago. It had big horns on its face. These horns helped it fight. It was as big as an elephant. Can you imagine a beast that big?
Early Reader · Change the reading level on the articleSome animals are very big. They are much larger than us. They help the land stay healthy. Big animals can change how plants grow. This helps other small animals too. Do you know a big animal?
Early Reader · Change the reading level on the articleThese are special birds. They live in green forests. Many kinds of these birds exist. They can be bright colors. We can see them in the trees. Do you like bright birds?
Early Reader · Change the reading level on the articleA giant lizard lived in Australia. It was very big. It had sharp teeth for eating. It lived a long time ago. We find its bones in the ground. Could you see it?
Early Reader · Change the reading level on the articleA long time ago, a big animal lived here. It looked like a giant ferret. It was as big as a jaguar. It had a very strong bite. It lived in North America. Do you think it was fast?
Early Reader · Change the reading level on the articleA giant shark lived in the sea. It had very big teeth. The teeth help it eat. This shark was very strong. It is gone now. Do you like big sharks?
Early Reader · Change the reading level on the articleA giant sloth lived long ago. It had very big claws. It walked on the ground. This sloth was very large. It lived in many places. It is gone now. Do you like big animals?
Early Reader · Change the reading level on the articleSome bugs have very large wings. They live near water. The babies live in the water. The grown bugs live on land. They are fun to see. Can you find a bug with big wings?
Early Reader · Change the reading level on the articleA big lizard lived long ago. It was a very large animal. It had long, curved teeth. This big lizard helped keep things in balance. It was a very strong hunter. Do you want to see its bones?
Early Reader · Change the reading level on the articleThe megamouth shark lives in the deep sea. It has a very big mouth. It swims with its mouth open to eat. It eats tiny things in the water. This shark is very rare to see. Can you find it in the ocean?
Early Reader · Change the reading level on the articleA giant bug lived long ago. It looked like a dragonfly. It was very big. It could fly in the air. It ate other bugs for food. Can you imagine a bug that big?
Early Reader · Change the reading level on the articleThese birds have very big feet. They do not sit on their eggs. Instead, they bury them in warm sand or leaves. The babies hatch with feathers. They can run and fly right away! Can you imagine being that strong?
Early Reader · Change the reading level on the articleA long time ago, a big creature lived. It lived in fresh river water. Some thought it was a giant spider. But it was actually a sea scorpion. It used its legs to find food. Can you imagine a giant spider?
Early Reader · Change the reading level on the articleA giant sloth lived long ago. It was as big as an elephant. It lived in South America. It ate leaves from high trees. It could stand up on its legs. These big animals are gone now. Do you think they were heavy?
Early Reader · Change the reading level on the articleThis was a tiny animal. It lived a long time ago. It looked like a small shrew. It ate bugs and small things. It was active at night. Can you imagine a tiny animal in the dark?
Early Reader · Change the reading level on the article