1
Where water falls from a high place to a lower place, usually in a river.
2
run down into a valley.
3
A long, flowing body of water that moves across the land.
4
A small pool of water between rocks, usually found near the sea.
5
The place where a river meets the sea or a lake.
6
A small, rounded area of land that is higher than the land around it.
7
A large area of water
8
a smaller river
9
A very high piece of land, much taller than a hill.
10
The start of a river is called ...
