Across
- 2. organic material found on the top of soil
- 3. soil is found over its parent material
- 8. weathering that breaks the rocks into smaller pieces
- 10. reacts with water to form carbonic acid, a weak acid
- 11. final step in erosion where sediments are dropped in a new location
- 12. distinct layer or zone within the soil profile
- 14. process by which rocks are broken down and changed
- 15. erosion agent in wet climates
- 17. soil has been moved (eroided) away from its parent material
- 19. refers to how well soil can support plant life
- 20. chemical reaction with oxygen and other substances
- 21. loose covering of weathered rocks and decaying organic material
Down
- 1. erosion are deeper and wider and grow from rill erosions
- 4. precipitation with a pH of less than 5.6
- 5. erode by scraping and gouging out large amounts of rock and debis, happens slowly
- 6. repeated freeze thaw cycle of water in the cracks in rocks
- 7. physical weather that peels back layers of rock
- 8. vertical sequence of layers of soil, exposed through digging
- 9. weathering that changes the composition of rocks
- 13. moving sediments from one location to another
- 16. erosion are small channels created by runoff of water
- 18. erosion agent in dry climates