Across
- 4. the percentage of the total volume of rock consisting of open spaces.
- 7. form of erosion in which fine, dry soil particles are blown away.
- 10. fan-shaped mas of rock material deposited at the mouth of a stream.
- 11. part of an ice sheet that moves over the ocean.
- 13. the upper surface of underground water
- 14. a large cave consisting of many smaller connecting chambers
- 15. a body of rock that stores and allows the flow of underground water.
Down
- 1. stream that flows into a lake or into a larger stream.
- 2. area of land drained by a river system.
- 3. water beneath Eath's surface
- 5. a circular depression that forms at the surface when rock dissolves, sediment is removed, or caves collapse.
- 6. a narrow glacier formed in a mountainous region.
- 8. a large mass of moving ice.
- 9. change of state from a gas to a liquid
- 10. the process of removing salt from ocean water
- 12. process by which wind moves sand along the ground.