GEOGRAPHICAL FEATURES

2. An area of sand or small stones near the sea
6. A large area of land covered with trees and plants, usually larger than a wood, or the trees and plants themselves
10. A natural wide flow of fresh water across the land into the sea, a lake, or another river
11. A large area of water surrounded by land and not connected to the sea except by rivers or streams
12. Water, especially from a river or stream, dropping from a higher to a lower point, sometimes from a great height
13. An area of low land between hills or mountains often with a river running through it
14. A tropical forest in which trees and plants grow very closely together
15. A raised part of the earth's surface, much larger than a hill, the top of which might be covered in snow

1. A large hole in the side of a hill, cliff, or mountain, or one that is underground
3. An area of land that is higher than the surrounding land
4. An area, often covered withsand or rocks, where there is very little rain and not many plants
5. A mountain with a large, circular hole at the top through which lava
7. A very large area of sea
8. The salty water that covers a large part of the surface of the earth
9. A piece of land completely surrounded by water