Friesian horse
The Friesian is a black horse. It has a long tail. It has long hair on its legs. These horses are very gentle. They are fun to ride. Do you like black horses?
Early Reader · Change the reading level on the articleLife Science articles — Page 13
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 13 of 116
Frigatebird
These birds live by the sea. They have black feathers. Some males have red skin on their necks. They use it to find a mate. These birds fly for a long time. They catch fish to eat. Can you see their long wings?
Early Reader · Change the reading level on the articleFrog
Frogs are small animals. They can live on land. They can live in water too. Many frogs have no tails. They like to jump and eat bugs. Do you like frogs?
Early Reader · Change the reading level on the articleFrostbite
Cold can hurt your skin. It happens to fingers and toes. It can feel numb. This can happen in the snow. Wear warm clothes to stay safe. Do you like the snow?
Early Reader · Change the reading level on the articleFur
Most animals have soft hair. This hair covers their skin. It keeps them warm. It also keeps them dry. It can even hide them. Fur helps animals live. Do you have soft hair too?
Early Reader · Change the reading level on the articleGalago
Bush babies are small animals. They live in Africa. They are active at night. They have big eyes to see. They can jump very far. They like to eat fruit. Do you like to jump too?
Early Reader · Change the reading level on the articleGalápagos tortoise
These are very big tortoises. They live on far islands. They can live for a long time. Some live over 100 years! They are very special to see. Do you like big animals?
Early Reader · Change the reading level on the articleGalaxiidae
Small fish live in cool rivers. They swim in many places. Some fish swim in the ocean too. They move from the sea to the river. These fish are very special. Do you like to look at fish?
Early Reader · Change the reading level on the articleGalen
Galen was a great doctor. He lived a long time ago. He helped many people feel better. He even worked for kings. He learned a lot about the body. Do you want to be a doctor too?
Early Reader · Change the reading level on the articleGalliformes
Some birds live on the ground. They are heavy birds. They like to run. Many are very colorful. We get eggs from chickens. Do you like eggs?
Early Reader · Change the reading level on the articleGanglion
Your body has many tiny parts. These parts help you feel things. They act like small stops on a road. They pass messages to your brain. This helps you move and learn. It is how you work! Can you feel your hands move?
Early Reader · Change the reading level on the articleGardenia
Gardenias are pretty plants. They grow in warm places. Their flowers smell very sweet. Some flowers are white or yellow. You can grow them in your home. Do you like sweet smells?
Early Reader · Change the reading level on the articleGarter snake
A garter snake is a small snake. It lives in North and Central America. Some have stripes of blue or red. They like to stay near water. They eat things like frogs and worms. They are very cool to see! Have you seen a…
Early Reader · Change the reading level on the articleGastroenterology
Your body turns food into energy. It uses your belly to do this. This helps you grow big and strong. Doctors help if your belly hurts. They keep you feeling good. Do you like to eat healthy food?
Early Reader · Change the reading level on the articleGastrointestinal tract
Your body has a long tube inside. It goes from your mouth to your bottom. This tube helps turn food into energy. It also gets rid of waste. This helps you stay strong. Can you feel your tummy work?
Early Reader · Change the reading level on the articleGastropod
Snails and slugs are very special animals. Some have a hard shell. Some have no shell at all. They live in gardens and the deep sea. They are all around us. Can you find one in your yard?
Early Reader · Change the reading level on the articleGecko
A gecko is a small lizard. It lives in warm places. Many geckos can climb walls. They can even walk on ceilings! They help by eating bugs. Do you like geckos?
Early Reader · Change the reading level on the articleGel electrophoresis
We can sort tiny bits of life. We use a soft gel. We use power to make them move. Small bits move fast. Big bits move slow. This helps us see them. Can you see the tiny lines?
Early Reader · Change the reading level on the articleGene expression
Your body has tiny plans. These plans tell your body how to work. They help you grow. They help you stay healthy. We use these plans every day. Can you wonder how they work?
Early Reader · Change the reading level on the articleGenetically modified organism
People can change how living things grow. They can change plants or bugs. Some food is made this way. It helps us grow more food. This is very cool. Do you like new plants?
Early Reader · Change the reading level on the articleGenetic code
Your tiny cells have a code. This code tells cells how to grow. It works like a set of rules. It helps make parts for your body. This helps you stay healthy. Do you want to learn more?
Early Reader · Change the reading level on the articleGenetic drift
Sometimes, groups of living things change by chance. This can happen in small groups. Some traits might go away. Other traits might stay. It is like picking marbles from a jar. Can you imagine how that works?
Early Reader · Change the reading level on the articleGenetic engineering
People can change how living things grow. They change the tiny parts inside a cell. This helps make better food. It can also help make medicine. This is very cool! Can you imagine a glowing fish?
Early Reader · Change the reading level on the articleGeometer moth
Some moths have tiny crawling babies. They are called inchworms. They move in a loop. It looks like they measure the ground. They can hide by looking like twigs. Can you find one in a tree?
Early Reader · Change the reading level on the articleGeorges Cuvier
Georges was a man who loved animals. He looked at old bones. He found animals that lived long ago. He showed us that some animals are gone. This helps us learn about our world. Do you like old bones?
Early Reader · Change the reading level on the articleGeorge Washington Carver
George Carver was a smart man. He studied plants and soil. He taught farmers how to grow food. This helped many people live better. He loved to learn new things. Do you like to learn about plants?
Early Reader · Change the reading level on the articleGeriatrics
Doctors help older people stay well. They help with many health needs. They help people move and eat. This care helps families too. It is good to stay strong. Do you know an older person?
Early Reader · Change the reading level on the articleGiant panda
The giant panda is a big bear. It is white and black. It lives in the mountains of China. It eats lots of bamboo. This food helps it grow. It is a very cute bear. Do you like pandas?
Early Reader · Change the reading level on the articleGibbon
Gibbons are small apes. They live in big forests. They swing from tree branches. They are very fast. This helps them find food. Can you swing like a gibbon?
Early Reader · Change the reading level on the articleGila monster
The Gila monster is a lizard. It lives in the dry desert. It has black and orange skin. This lizard moves very slowly. It likes to hide in cool holes. It is a special animal. Do you like lizards?
Early Reader · Change the reading level on the articleGill
Gills help fish breathe. They live in the water. Gills take air from the water. This helps fish stay alive. It is how they breathe. Do you like to swim?
Early Reader · Change the reading level on the articleGinger
Ginger is a plant. It grows a root. We use the root for food. It can be a spice. It helps make things taste good. Do you like the taste of ginger?
Early Reader · Change the reading level on the articleGinkgo biloba
The ginkgo is a very old tree. It has leaves shaped like fans. The leaves turn bright yellow in the fall. These trees can live for a long time. They are very strong. Do you like the color yellow?
Early Reader · Change the reading level on the articleGinseng
Ginseng is a special plant root. It grows in the ground. Some grow in the wild. People grow them on mountains too. It is a very interesting plant. Have you seen a root like this?
Early Reader · Change the reading level on the articleGiraffe
The giraffe is very tall. It has a long neck. It also has long legs. It eats leaves from high trees. This helps it find food. Do you like giraffes?
Early Reader · Change the reading level on the articleGirl
A girl is a young female. She is often a child. Girls grow up to be women. Some girls go to school. Learning helps them every day. Do you know a girl?
Early Reader · Change the reading level on the articleGladiolus
These are pretty flowers. They have long leaves. The leaves look like swords. The flowers can be pink or red. They grow in many warm places. Do you like bright flowers?
Early Reader · Change the reading level on the articleGland
Your body has tiny parts called glands. They make things your body needs. Some parts send things through your blood. Other parts send things to your skin. These parts help you stay well. They are very busy! Can you…
Early Reader · Change the reading level on the articleGlucose
This is a sweet food. It is in fruit. Plants make it from air and water. It gives us energy to move. It helps us stay strong. Do you like sweet fruit?
Early Reader · Change the reading level on the articleGlycogen
Your body stores food for later. It keeps this food in your liver. It also keeps it in your muscles. This helps you run and play. It is like a tiny battery. Do you like to run fast?
Early Reader · Change the reading level on the articleGlycolysis
Your body turns food into power. This happens inside your tiny cells. It helps you run and play. It makes energy for you. It is very cool! Can you feel your energy?
Early Reader · Change the reading level on the articleGnathostomata
Most animals have a jaw. A jaw is a mouth that can bite. It helps them eat food. It helps us eat too! Do you have teeth?
Early Reader · Change the reading level on the articleGoat
Goats are very smart animals. They can climb high trees. Goats give us milk and wool. We use their milk to make cheese. They are very curious too. Do you like goats?
Early Reader · Change the reading level on the articleGobioidei
Many small fish are called gobies. They live in the sea. Some live in fresh water too. They like to stay near the bottom. They can even climb rocks! Do you like looking at fish?
Early Reader · Change the reading level on the articleGolden eagle
The golden eagle is a big bird. It has dark brown feathers. Some feathers look like gold. These birds hunt for food. They have very strong feet. Can you see their sharp claws?
Early Reader · Change the reading level on the articleGoldfish
Goldfish are pretty fish. They live in water. Many come in bright colors. You can keep them as pets. They are fun to watch. Do you like fish?
Early Reader · Change the reading level on the articleGolgi apparatus
A tiny part of the cell works hard. It is like a post office. It packs up things to send away. It labels them so they go to the right place. This helps our bodies stay well. Do you want to see more?
Early Reader · Change the reading level on the articleGoose
A goose is a bird. They live near water. They fly in a V shape. This helps them save energy. Baby geese are called goslings. Do you like birds?
Early Reader · Change the reading level on the article