Across
- 2. the breaking of rocks
- 4. when water gets in the cracks of ice, freezes and expands, causing the rock to break
- 5. a mound of sand that formed from erosion and deposition
- 7. a big sheet of ice that create U shaped valleys
- 9. wind, water, ice, plant roots and frost wedging that effect the WED cycle
- 10. the mouth of a river
- 12. the dropping off of weathered and eroded bits of rock
Down
- 1. used to make plastics, rubber and gasoline
- 3. a resource used for heat
- 6. a resource used for electricity
- 8. sand or broken down bits of rock
- 11. the carrying away of rock
