Earth Science ch 12

3. very fertile topsoil containing equal parts of sand and silt and about half as much clay
4. type of mechanical weathering caused by plants and animals
6. yellow or gray fine grained soil formed by wind erosion
7. point where glacier ice melts as fast as it is replaced
9. the process of being blown away by wind
10. the action of wind driven sand eroding exposed rock
13. small lakes formed by glaciers
16. piles of wind driven sand
17. the movement of soil and rock particles
18. type of weathering that breaks down rocks through chemical changes
19. valleys eroded by glaciers now filled with sea water
21. large mass of dense ice that flows under the influence of gravity
22. the pattern of sediment deposition
24. the term used to describe the three layers of mature soil

1. unusual rock shapes formed by wind erosion
2. scientist who studies soil, soil formation, and erosion
3. a type of rapid mass wasting that moves downhill
5. land deposit formed at the mouth of a river
8. happens when mechanical weathering causes rocks to separate into thin layers or slabs
11. rocks and sediment being put in a new place after erosion
12. type of acid that forms from decaying plant material
14. a narrow body of water that flows in a channel
15. happens when an environmental factor breaks rocks into smaller pieces
18. bowl-like depressions in mountains formed by valley glaciers
20. the skipping and jumping action of larger sediment particles across the stream bed
23. the total mass of sediments that a stream transports