Across
- 3. a large area of thick ice that remains frozen
- 6. the process of rock being moved to another place
- 9. a large body of water surrounded by land
- 10. air in motion
- 11. a mountain that opens to a pool of hot rock
- 12. a huge body of salt water
- 14. a flowing, moving stream of water
- 16. water with salt
- 17. a natural hollow space under the ground
- 19. a landform that rises above the surrounding area
Down
- 1. a solid, natural structure made of dirt and rock
- 2. the process of rock being dissolved
- 4. a large, deep valley cut by a river through rock
- 5. a very small body of fresh water
- 7. an overflowing of large amounts of water
- 8. the sliding down of a mass of earth
- 13. water without salt
- 15. the shaking rolling and sudden shock on earth's surface
- 18. a large area of land that is flat or gently rolling