Across
- 2. a deep narrow valley
- 5. opening in the earth's crust.
- 11. a vertical mass of rock
- 12. a large chunk of ice that floats.
- 15. formed when a river falls off in the steep rocky ledge.
- 16. a low area of land between hills.
- 17. a body of water practically surrounded by land.
Down
- 1. a piece of land that is bordered by water on three sides.
- 3. a body of standing water.
- 4. natural flow of water that is smaller than a river.
- 6. a natural opening in the ground
- 7. a vast body of salt water.
- 8. a body of water that flows.
- 9. a raised area of land.
- 10. a wetland that is formed at the mouth of a river
- 13. a man made waterway.
- 14. a body of dense ice that is moving constantly.