Across
- 2. unstable rock moves down hill in one piece
- 4. rocks broken down by chemical reactions
- 6. rock fragments at the base of a slope
- 10. dark, organic material formed in soil on top
- 11. layer of weathered rock fragments
- 12. fall of rocks from a steep cliff
- 14. rapid movement of large amounts of mud
- 16. breaking down rocks by collision
- 21. the rock from which the soil was weathered
- 22. steep, high elevation
- 23. water saturated soil slips over hard or frozen layers
- 25. soil moved from the parent rock
- 27. react chemically with water
Down
- 1. mass of snow, ice, rocks falling rapidly down a mountainside
- 3. acids produced by certain living organisms
- 5. rocks broken down by physical means
- 7. the part of the rock that is exposed
- 8. carbon dioxide dissolves in water
- 9. high elevation, flat surface at top
- 13. elements combine with oxygen
- 15. soil over the parent rock
- 17. flat or gently sloped, not high above sea level
- 18. mechanical weathering with freezing water
- 19. process by which products of weathering are transported
- 20. complex mixture of minerals, water, gas, dead organisms
- 24. extremely slow down hill movement
- 26. loose soil and rocks that move down the slope