weathering and erosion
Across
- 3. top layer of Earth's surface containing weathered rocks, minerals, and organic material
- 7. when physical forces break rock into smaller pieces
- 9. causes acids to form
- 11. the transport of weathered materials and sediments by water , wind , ice and gravity
- 12. process by which sediments are dropped by water , wind , water or ice
Down
- 1. changes solid rock into pieces
- 2. the transfer of rock into one or more new compounds
- 4. causes oxidation of metal mionerals
- 5. solid mixture of minerals
- 6. most important agent in weathering
- 8. particles of rock or minerals ranging in size from clay to giant boulders
- 10. exposed rock formations that are attached to the ground