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