comet

Magma is extremely hot, liquid rock found deep under the Earth's surface. It is the material that forms volcanoes and turns into lava when it comes out of the ground.

Fungi are a large group of living things, such as mushrooms, molds, and yeast, that grow on soil or old plants. They are different from plants because they do not use the sun to make food, but instead break down dead material.

A galaxy is a very large group of stars, gas, and dust held together by gravity. There are billions of galaxies in the universe, and our home is called the Milky Way.

A fossil is the remains or trace of a plant or animal that lived a very long time ago, preserved in rock. It helps scientists understand how life on Earth has changed over millions of years.

Pollen is a fine powder, usually yellow, produced by flowers and trees. It is carried by wind or insects to other plants so they can produce seeds and fruit.

A stream is a small, narrow flow of water that moves naturally along a fixed path. It is smaller than a river and can usually be found in forests or parks.

A swamp is a low area of land that is always very wet or covered with water. It usually has many trees and plants growing in it and is often home to animals like frogs and alligators.

A large, flat area of land in very cold parts of the world, such as the Arctic. In this area, the ground is frozen and there are no trees, only small plants like moss.

tall

A thick forest in a tropical area that receives a large amount of rain throughout the year. It is a dense habitat known for having many different types of plants and animals.