erosion

2. processes due to moving water in streams.
4. lake an example of ice erosion.
7. movement of rock fragments by gravity, wind, rain, rivers.
8. laying down of sediment carried by wind, water, sea, ice.
9. A large accumulation of ice, rock, snow that begins on land and moves down a slope.
11. wearing down or breaking of rocks.
12. process of breaking down rocks into smaller pieces by physical forces.
13. responsible for erosion of flowing water and glaciers.

1. processes by which rocks are created, changed, destroyed and formed.
3. gravel, sand deposited by flowing water.
5. small pieces of matter produced by weathering.
6. Rocks formed by weathering, erosion, and deposition.
10. ____ weathering is a process in which reactions change the composition of rocks.