Across
- 3. a steep-sided valley found at the mouth of a river
- 7. a map that uses lines to show elevation
- 9. a wide flat area of ocean floor
- 10. a natural body of moving water
- 14. a person who takes measurements of land
- 16. the height of land above sea level
- 17. is lower and rounder than a mountain
- 18. an underwater mountain
- 19. an area with very little precipitation
Down
- 1. lines that represent a different elevation
- 2. a natural stream of water falling from a high place
- 4. underwater mountain ranges
- 5. a physical feature on Earth's surface
- 6. the deepest part of the ocean floor
- 8. a body of water surrounded by land
- 11. a map that uses shading to show elevation
- 12. a landform that rises high above the ground
- 13. a large body of salt water
- 15. where a body of water meets land