7R_Natural World

3. An area of lower land between two lines of hills or mountains, usually with a river flowing through it.
4. An area of land higher than the land around it, like a mountain but smaller.
7. A piece of land surrounded by water.
10. A large area of land that is covered with trees.
12. A natural and continuous flow of water in a long line across a country into the sea.
13. Higher than a hill.
14. A place where water from a river or stream falls down over a cliff or rock.
18. natural or unnatural chamber underground

1. An area of sand or small stones at the edge of the sea or a lake.
2. A large body of water.
3. A mountain with a large hole at the top, through which lava is sometimes forced out.
5. an open area of land
6. A large area of rock with a very steep side, often at the edge of the sea.
8. A compass point.
9. A large area with sand.
11. The area where the land meets the sea.
13. a grassy area, typically near a river
15. Larger than a stream.
16. water body surrounded by land
17. A compass point.