Across
- 5. A rupture in the land ejecting lava, rocks, or gas.
- 8. Low area between hills, larger than a canyon or gorge.
- 10. A small body of standing water.
- 12. A large body of saltwater, larger than a sea.
- 13. Slow moving mass of ice.
- 15. A hill of loose sand built by wind or water.
- 16. A hole in the ground caused by collapsed land.
- 17. A place where water emerges above ground.
- 21. range An area of related mountains.
- 22. Surface water flowing down a channel, smaller than a river.
- 23. Large body of salt water, smaller than an ocean.
Down
- 1. A forested wetland.
- 2. Natural flowing watercourse.
- 3. An area of high, flat ground.
- 4. Molten rock expelled by a volcano.
- 6. Flat land next to river that periodically floods.
- 7. An extensive area of flat land.
- 9. A narrow valley between mountains.
- 11. A small source of fresh water in a desert.
- 13. Periodic eruption of water and stream from a spring.
- 14. Deep, narrow land between cliffs.
- 18. Part of a river that is relatively steep and turbulent.
- 19. pass A route through a mountain range.
- 20. A place where water flows over a river cliff.
- 21. Flat top land with steep sides.