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.
Some small fish live in cold water. They have tiny mouths. Some have hard plates on their skin. These plates act like armor. They can also make nests for their eggs. Do you like fish?
Early Reader · Change the reading level on the articleGastornis was a very big bird. It lived a long time ago. It could not fly. It used a large beak to eat seeds and plants. This bird was huge! Can you imagine a bird that big?
Early Reader · Change the reading level on the articleTiny animals live in the water. They are very, very small. They hide in the sand. They use tiny hairs to move. They eat tiny bits of food. They live a short life. Can you find them?
Early Reader · Change the reading level on the articleMany geckos live in warm places. They can climb on walls. Some even live in our houses. They are very small and fast. It is fun to see them! Can you spot a gecko?
Early Reader · Change the reading level on the articleThe gelada is a special monkey. It lives in high mountains. It likes to eat grass. This food helps it grow. It has a red patch on its chest. Do you like looking at monkeys?
Early Reader · Change the reading level on the articleInside you is a feeling. It is how you know who you are. This feeling can stay the same. It can be different for some. It starts when you are small. It is part of you. Do you know how you feel?
Early Reader · Change the reading level on the articleNew friends move to new homes. They bring new traits with them. This helps groups stay strong. It can help plants and animals live well. It is like a gift for the group. Do you see new friends moving?
Early Reader · Change the reading level on the articleDoctors use special medicine to help you sleep. This medicine keeps you from feeling pain. You will not wake up during your surgery. It helps your body stay very still. This makes the doctor's job easy. You will feel…
Early Reader · Change the reading level on the articleDoctors use special medicine to help you sleep. You will not feel any pain. You will not know what is happening. It helps doctors fix your body. It is very safe. Do you want to learn more?
Early Reader · Change the reading level on the articleA GP is a kind doctor. They help many people feel well. They can treat many kinds of sickness. They help you stay healthy. You can visit them often. They are part of your town. Do you know a doctor?
Early Reader · Change the reading level on the articleA genet is a small animal. It looks like a cat. It has a long, spotted tail. It lives in Africa. It likes to climb trees. It eats fruit and bugs. Can you see its spots?
Early Reader · Change the reading level on the articleLiving things can mix. Two groups meet and have babies. These babies are a mix of both. This helps them live in new places. It is a big change. Can you find things that are mixed?
Early Reader · Change the reading level on the articlePeople can change how trees grow. Some trees grow faster. Some trees can stay healthy. This helps us make paper. It can also help the air. These trees are very special. Do you like trees?
Early Reader · Change the reading level on the articleOur bodies have tiny plans. These plans tell us how to grow. Sometimes, a plan has a small mistake. This can cause health problems. These problems can come from parents. Do you want to learn more?
Early Reader · Change the reading level on the articleAll living things are not the same. Some look and act a bit different. This helps them stay safe and healthy. It helps them live in new places. This is good for us too. Do you look like your friends?
Early Reader · Change the reading level on the articleSome things in you stay together. They travel in groups. This happens because they are close. They are like friends walking side by side. It helps you know how you grow. Do you look like your family?
Early Reader · Change the reading level on the articleLife mixes things up. It swaps tiny parts. This makes you different from your parents. It helps all living things stay healthy. It is like a game of mix and match. Do you look like your mom or dad?
Early Reader · Change the reading level on the articleDoctors can look at your tiny parts. They use a small sample. This helps them learn about you. It can help you stay healthy. It is a very smart way to help. Do you want to learn more?
Early Reader · Change the reading level on the articleA girl named Genie lived alone. She was kept in a small room. No one talked to her for a long time. This made it hard to learn words. Scientists wanted to help her. They studied how we learn to talk. Can you learn…
Early Reader · Change the reading level on the articleA genome is a set of rules. It tells a living thing how to grow. It is inside your cells. This helps you be you. It is very special. Do you want to learn more?
Early Reader · Change the reading level on the articleScientists can change tiny parts of life. They use tools like tiny scissors. These tools fix parts of a living thing. This helps us make better food. It can also help sick people. Do you want to learn more?
Early Reader · Change the reading level on the articleAll living things have a plan. This plan is inside you. It tells your body how to grow. It helps you stay healthy. We can study this plan. Can you wonder about your own plan?
Early Reader · Change the reading level on the articleYou have a set of tiny plans inside you. These plans tell your body how to grow. They help decide your hair color. They also help decide your eye color. These plans are very special. Do you want to learn more?
Early Reader · Change the reading level on the articleLiving things have names. We group them together. A group can have many animals. One group has lions and jaguars. This helps us learn. Do you like animals?
Early Reader · Change the reading level on the articleThe geoduck is a big clam. It lives in the ocean. It can live for a very long time. It can even live to be 140 years old! It stays deep in the sand. Can you find a clam?
Early Reader · Change the reading level on the articleGeorge was a man who loved animals. He found many new fish and snakes. He gave them names. He also liked to study roses. He was very good at his work. Do you like animals too?
Early Reader · Change the reading level on the articleGeorge was a smart scientist. He studied plants to make medicine. This helped many people stay healthy. He lived a very long life. He also loved to play card games. Do you like to play games?
Early Reader · Change the reading level on the articleBuffon was a man who loved nature. He studied many plants and animals. He wrote many big books about them. His work helps us learn today. He was a very smart teacher. Do you like to look at bugs?
Early Reader · Change the reading level on the articleGerard Krefft loved nature. He worked at a big museum. He looked at many animals. He also looked at old bones. He wanted to help save them. Do you like animals too?
Early Reader · Change the reading level on the articleGerbils are small animals. They live in dry places. They eat many kinds of food. Some are even pets. They can be very cute. Do you like small pets?
Early Reader · Change the reading level on the articleThe gerenuk is a tall animal. It has a very long neck. It lives in East Africa. It can stand on its back legs to reach leaves. This helps it find food. It is a pretty animal. Can you see its long neck?
Early Reader · Change the reading level on the articleGerhard was a doctor. He found a new medicine. It helps fight bad germs. This medicine saved his daughter. It helps many people stay well. Do you like helping people?
Early Reader · Change the reading level on the articleThis is a small bug. It is tan or black. It likes to hide in warm homes. It eats many kinds of food. It can grow very fast. Do you see them in the dark?
Early Reader · Change the reading level on the articleThe German Shepherd is a big dog. They are very smart. They can help people do jobs. They can herd sheep. They can also be your friend. Do you like dogs?
Early Reader · Change the reading level on the articleA seed can grow into a plant. It needs water to start. It also needs air and warmth. First, a tiny root grows down. Then, a small green part grows up. It is like magic! Can you find seeds in your food?
Early Reader · Change the reading level on the articleSome tiny cells make babies. These cells make eggs and sperm. They pass traits to new life. This helps babies be special. It is how life grows. Do you see new life in your garden?
Early Reader · Change the reading level on the articleTiny germs can make us sick. They are too small to see. They live in plants and animals. Some germs can pass from person to person. This is how we get sick. We must stay clean to stay well. Can you wash your hands?
Early Reader · Change the reading level on the articlePeople study how we grow old. This helps us care for elders. It looks at how our bodies change. It also looks at how we live. This work helps everyone stay well. Do you know an older person?
Early Reader · Change the reading level on the articleSome bugs walk on water. They have very long legs. These legs help them stay up. Tiny hairs keep them dry. They can zip across a pond. It looks like magic! Do you like to watch them?
Early Reader · Change the reading level on the articleGertrude Elion made new medicine. She worked in a lab. Her work helped sick people. This makes the world better for us. She was a very smart scientist. Do you like science?
Early Reader · Change the reading level on the articleGerty Cori was a great scientist. She studied how our bodies use food. Her work helps people stay well. She even won a big prize. Do you like to learn new things?
Early Reader · Change the reading level on the articleGeorge was a man who loved nature. He studied lakes and water bugs. He looked at how things live together. This helps us learn about our world. He was a great teacher too. Do you like to look at bugs?
Early Reader · Change the reading level on the articleThe gharial is a long crocodile. It lives in big rivers. It has a very thin snout. This helps it catch fish. It is a very cool animal. Do you like fish?
Early Reader · Change the reading level on the articleGhost crabs live on sandy beaches. They dig deep holes in the sand. These crabs can run very fast. They use the air to breathe. Their color can match the sand. This helps them hide. Can you find one on the beach?
Early Reader · Change the reading level on the articleThe ghost pepper is a very hot chili. It grows in India. It can be red or yellow. This pepper is used in food. It can also keep wild animals away. Do you like spicy food?
Early Reader · Change the reading level on the articleYour body has a way to tell you to eat. It is a tiny signal. It comes from your stomach. It tells your brain you are hungry. This helps you get food. Do you feel hungry now?
Early Reader · Change the reading level on the articleThe giant armadillo is very big. It lives in South America. It has hard shells on its back. It uses long claws to dig for food. This animal likes to eat ants. It sleeps in big holes in the ground. Can you imagine…
Early Reader · Change the reading level on the articleThe giant clam is very big. It lives in the sea. It can live for a long time. It grows fast with help from tiny plants. These clams are amazing. Do you want to see one?
Early Reader · Change the reading level on the article