Prairie
A prairie is a big field of grass. It has many plants but few trees. The soil is very good for growing. Animals like bison live there too. Do you like big open spaces?
Early Reader · Change the reading level on the articleLife Science articles — Page 23
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 23 of 116
Predation
Some animals hunt for food. One animal catches another. Then it eats it. This helps them stay strong. It is a way to live. Do you know any hunters?
Early Reader · Change the reading level on the articlePreventive healthcare
We can stay healthy. Doctors help us stay well. We eat good food. We wash our hands. This helps us not get sick. It is good to see your doctor. Do you eat healthy food?
Early Reader · Change the reading level on the articlePrimulaceae
Some plants have pretty flowers. These are in a big family. They grow in gardens. Some are wildflowers too. They can be small or big. They help our world look nice. Do you like flowers?
Early Reader · Change the reading level on the articlePrion
Some tiny things in our bodies can change shape. They can change the shape of others too. This can make animals and people sick. It can hurt the brain. We are still learning about them. Do you want to learn more?
Early Reader · Change the reading level on the articleProboscidea
Elephants and their old friends are special. They have long noses. They also have big tusks. Some of these animals lived a long time ago. They were very, very large! Do you like big animals?
Early Reader · Change the reading level on the articleProcellariiformes
These birds live by the sea. They fly over the big ocean. Some are very big. Some are very small. They can live for a long time. Do you like sea birds?
Early Reader · Change the reading level on the articleProcyonidae
Many animals belong to one big family. Raccoons are part of this group. They can live in many places. These animals eat many kinds of food. They are very interesting to see. Do you like raccoons?
Early Reader · Change the reading level on the articleProgrammed cell death
Tiny cells in your body can die. This helps your body grow. It helps make your fingers. It also helps your brain work. This is a good thing. Do you have tiny cells too?
Early Reader · Change the reading level on the articleProkaryote
Tiny living things are all around us. They are very, very small. They do not have a center. They live in hot and cold places. They help our world. Can you find them?
Early Reader · Change the reading level on the articlePronghorn
The pronghorn is a fast animal. It lives in the west. It can run very fast. This helps it stay safe. It has white hair on its back. It smells like popcorn! Do you like popcorn?
Early Reader · Change the reading level on the articleProsthesis
Some people need a new body part. A tool can help them. It can be a hand or a leg. This helps them move and play. It is very helpful. Can you imagine a tool for a toe?
Early Reader · Change the reading level on the articleProteaceae
Many plants look very different. Some are small bushes. Some are tall trees. You can eat some of them, like nuts. They have bright, pretty flowers. Many grow in far away lands. Do you like flowers?
Early Reader · Change the reading level on the articleProtein (nutrient)
Protein helps your body grow. It is in many foods. You can eat eggs or beans. It helps your skin and hair. It is good for you. Do you eat protein today?
Early Reader · Change the reading level on the articleProtist
Some tiny things are not plants. They are not animals, either. They live in water and soil. Some are very small. We need them to live. Can you find them in a pond?
Early Reader · Change the reading level on the articlePseudoscorpion
These bugs look like tiny scorpions. They have two small pincers. They are very, very small. They help us by eating other bugs. This is good for us! Can you find one?
Early Reader · Change the reading level on the articlePteridophyte
Some plants do not have seeds. They use tiny bits to grow. These are called spores. Ferns are one kind of plant like this. They have roots and leaves. They are very old. Do you like ferns?
Early Reader · Change the reading level on the articlePteropus
These are big bats. They are called flying foxes. They eat fruit. They use their noses to find food. They help trees grow. Do you like fruit?
Early Reader · Change the reading level on the articlePterosaur
Pterosaurs were animals that could fly. They lived a long time ago. They had wings made of skin. Some were very small. Others were very big. They were not dinosaurs. Can you imagine flying like them?
Early Reader · Change the reading level on the articlePterygota
Most bugs have wings. They can fly high. They have been here a long time. These bugs help our world. They are so cool to see! Do you like bugs?
Early Reader · Change the reading level on the articlePublic health
People work to keep us well. They help stop sickness. They teach us to wash our hands. This helps everyone stay strong. It matters for you and me. Do you wash your hands with soap?
Early Reader · Change the reading level on the articlePulmonology
Doctors help us breathe well. They look at your chest. They check how you breathe. They help if you are sick. This keeps you healthy. Do you like to take deep breaths?
Early Reader · Change the reading level on the articlePulse
Your heart beats all day. Each beat sends blood through you. You can feel this in your wrist. You can feel it in your neck too. It is a little thump. It helps you stay well. Can you find your pulse?
Early Reader · Change the reading level on the articlePumpkin
A pumpkin is a round fruit. It is often bright orange. You can eat the inside. Many people use them for pies. Some people carve them for fun. Do you like pumpkins?
Early Reader · Change the reading level on the articlePupa
Some bugs change a lot. They start as small larvae. Then they become a pupa. Inside, they grow into adults. This helps them grow wings. It is a big change! Can you find a bug?
Early Reader · Change the reading level on the articlePuya (plant)
Some plants are very big. They grow in high mountains. Some even make food for salads. These plants can grow very tall. They are amazing to see! Do you like big plants?
Early Reader · Change the reading level on the articleQuackery
Some people sell fake medicine. They say it can fix everything. But it does not work. It can even be bad for you. This is not real help. Have you ever seen a fake cure?
Early Reader · Change the reading level on the articleRabbit
Rabbits are small animals. They live in holes in the ground. They eat plants and grass. Some rabbits are pets in our homes. They are very cute. Do you like rabbits?
Early Reader · Change the reading level on the articleRabies
Some animals can carry a germ. This germ can make them sick. It can spread if they bite you. You can get help from a doctor. This helps keep you safe. Do you like pets?
Early Reader · Change the reading level on the articleRachel Carson
Rachel Carson loved the sea. She wrote books about ocean life. She also wrote about nature. Her books helped us protect our world. She was a great writer. Do you like reading about animals?
Early Reader · Change the reading level on the articleRadiography
Special rays can see inside you. They pass through skin. But they stop at your bones. This makes a picture of your bones. It helps doctors see if you are hurt. Can you see your own bones?
Early Reader · Change the reading level on the articleRadiology
Doctors use special tools to see inside you. They can see your bones. They can see your heart. This helps them keep you healthy. It is like magic! Do you want to see inside a body?
Early Reader · Change the reading level on the articleRadish
A radish is a plant. It grows in the dirt. The root is a crunchy snack. It can be red or white. You can eat it in a salad. Do you like crunchy food?
Early Reader · Change the reading level on the articleRail (bird)
Rails are small birds. They live near water. They like to hide in tall grass. Many rails cannot fly. They like to run on the ground instead. These birds are very interesting! Do you like birds?
Early Reader · Change the reading level on the articleRainforest
Rainforests are very wet woods. They have many tall trees. Many plants and bugs live there. These places help us find medicine. We must keep them safe. Do you like the rain?
Early Reader · Change the reading level on the articleRanidae
True frogs live in many places. They live on almost every land. Most frogs like to stay near water. They have big legs for jumping. Some are small and some are big. Can you find a frog? Do you like to jump too?
Early Reader · Change the reading level on the articleRapeseed
This plant has bright yellow flowers. It grows many small seeds. We use the seeds to make oil. This oil is used in food. It is very helpful to us. Do you like yellow flowers?
Early Reader · Change the reading level on the articleRaspberry
A raspberry is a sweet fruit. It grows on a bush. The fruit is red or gold. It has a hole in the middle. You can eat it in a cake. Do you like berries?
Early Reader · Change the reading level on the articleRat
Rats are small animals. They have very long tails. Some rats are pets. They can be very friendly. We can learn a lot from them. Do you like rats?
Early Reader · Change the reading level on the articleRattlesnake
A rattlesnake is a snake. It has a rattle on its tail. The rattle makes a loud noise. This helps keep the snake safe. It hunts small animals for food. Do you like snakes?
Early Reader · Change the reading level on the articleRed algae
Red algae live in the sea. They can be pink or purple. Some are even green! They help build coral reefs. We can even eat some of them. Do you like seaweed?
Early Reader · Change the reading level on the articleRed blood cell
Tiny red cells live in your blood. They carry the air you breathe. This helps your whole body stay strong. They move through you all day. Can you feel your heart pump?
Early Reader · Change the reading level on the articleRed deer
Red deer are very big deer. They live in many places. Some live in forests. They can be red or brown. You might see them in the wild. Do you like big deer?
Early Reader · Change the reading level on the articleRed-eared slider
This is a red-eared slider turtle. It has red stripes by its eyes. It likes to swim in warm water. It also likes to sit in the sun. The turtle has a hard shell. Do you like turtles?
Early Reader · Change the reading level on the articleRed-winged blackbird
The red-winged blackbird is a bird. The male is black with red spots. The female is brown. They eat seeds and bugs. They live in many places. Do you see them in the trees?
Early Reader · Change the reading level on the articleReflex
Your body can move on its own. It happens very fast. You do not even think about it. This helps keep you safe. It is like a quick jump. Can you feel your body move?
Early Reader · Change the reading level on the articleReindeer
Reindeer are big deer. They live in the cold snow. Some have big horns on their heads. Even the moms have horns! They help people stay warm. Do you like the snow?
Early Reader · Change the reading level on the articleRemora
The remora is a special fish. It has a part like a sucker. It can stick to big animals. It stays on a shark or a whale. This helps the fish stay safe. Do you want to see one stick to a shark?
Early Reader · Change the reading level on the article