Across
- 3. A low, flat area, often near the sea
- 4. A steep wall of rock
- 6. A low area of land
- 7. A deep channel cut out by a river
- 11. A flat area of land at a high altitude
- 12. A group of islands
- 15. A narrow neck of land between two larger pieces of land
- 17. An area of land completely surrounded by water
- 18. An area where land partly surrounds the sea
- 19. Flat areas like underwater plateaus are called ___ shelves
- 21. A part of the coast where there is sand or pebbles
Down
- 1. A large bay
- 2. The area between two mountains
- 3. An area surrounded by water on all sides except one
- 5. A group of mountains is called a mountain ______
- 8. A large, deep underwater plain
- 9. A large headland
- 10. A low area of land that can be under sea level
- 13. An underwater mountain range is called an ocean _____
- 14. Similar to a small mountain
- 16. A piece of land that sticks out into the sea
- 20. A large underwater canyon is called an ocean _____
