Nature

3. This is a wide open area where grasses grow. You won't find many trees here, but you'll see a lot of animals like bison and prairie dogs.
6. This is a mountain with a hole on top. Sometimes it erupts and lava, rocks, and hot gases come out.
9. This is a slow-moving river of ice. You usually find them near the North and South poles or on very tall mountains.
10. This is a place where water falls from a high cliff. It's beautiful and can be very powerful.
12. This is the largest body of salt water. It's so big that it covers more than half of our planet.
14. This is a large body of water surrounded by land. It's usually fresh water, not salt water.
15. This is a dry, often sandy place that gets very little rain. Not many plants or animals live here because it's so hot.

1. This is a very tall hill. It's usually rocky and it can be covered in snow at the top.
2. This is a dense forest that you find in tropical areas. It's full of tall trees, vines, and many different animals.
4. This is a large stream of water that flows across the land. It starts from a source and ends in a sea or a lake.
5. This is a piece of land that is surrounded by water. Some islands are very big and some are very small.
7. This is a type of forest that gets a lot of rain. It's full of different types of plants and animals.
8. This is an area along the edge of a sea or lake. It's often sandy and it's a fun place to play and swim.
11. This is a large area covered with trees and plants. It's home to many animals and birds.
13. This is a large hole or tunnel in the side of a mountain or under the ground. It's often dark and cool inside.