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In 1969, people landed on the moon for the first time. The mission was part of the Apollo program. It was run by NASA. That is the United States space agency. There were many Apollo missions. Here are five of…
There are eight planets in our solar system. Each one travels on a path around the sun. Those path are called orbits. Learn about each planet. Mercury Mercury is the smallest planet in our solar system. It is the closest…
Earth has four seasons. They are spring, summer, fall, and winter. The Earth moves around the sun. One trip takes a year. Earth is tilted as it moves. This is what causes the seasons. The equator is an imaginary line…
Earth Day is April 22. It is celebrated around the world. People pitch in for the planet. Will you help? Everyone can take part. There are simple things you can do. Your actions could have a big impact. Turn off…
Waste is anything you get rid of. Too much waste is harmful to the environment. Here are three ways to create less of it. Recycle Recycling (above) turns used materials into something new. They are not wasted. Reuse Buy things…
Take a look outside. Do you see any trees? They are an important natural resource. Trees help the environment. They give us clean air to breathe. Read about other ways that trees benefit people and the planet. Trees shelter animals.…
Arbor Day is a day to plant trees. The holiday was started by a man named Julius Sterling Morton. He knew that trees are important. He wanted people to plant them for the future. The first Arbor Day was on…
Rainforests and deserts are two kinds of habitats. They are very different. The biggest difference? Water! Read about how the two compare. The Rainforest Rainforests (above) have tall trees. Most rainforest animals live in them. Vines and moss grow…
The Amazon is the world’s biggest rainforest. The Sahara is the biggest desert. Read about each of these places. Amazon Rainforest This tropical rainforest (above) is in South America. It is covered with a variety of trees. The climate is…
Habitats are the natural homes of plants and animals. A habitat has the resources that living things need to survive. One type is a mountain habitat. Read about what makes up a habitat. Climate Climate is the weather pattern…
Habitats can be hot or cold. They can be dry or wet. Each has its own living things. Read about four different habitats below. Arctic This is the coldest habitat (above). Much of the water is ice. Animals have…
Caves are full of interesting animals. These animals fly, swim, and slither. Here are four cave creatures. Learn how they have adapted to their dark habitat. Bats Bats make a high-pitched sound. It bounces off cave walls. Bats use…
Some animals adapt to work together. This is called mutualism. They help each other survive. Read about two examples. Clown Fish and Sea Anemones Sea anemones (above) have tentacles. They sting. But clown fish are not harmed. The fish bring…
Una rana pasa por cuatro etapas de vida. Estas etapas son su ciclo de vida. Se ve diferente en cada etapa. Este cambio se llama metamorfosis. Así es como crece una rana. Huevo Las ranas hembra ponen cientos de huevos.…
