Across
- 3. an area of low land between hills or mountains
- 4. a stream of water that falls from a high place
- 8. the hard, natural substance that forms part of the Earth's surface
- 9. the land along the edge of a sea, lake, or wide river
- 10. an extremely dry area with little water and few plants
- 12. a very high hill
- 15. a mountain that may throw out hot rocks and lava from a hole in its top
Down
- 1. a small area of land that is higher than the land around it
- 2. a large hole in the ground or in the side of a hill or mountain
- 5. a large area of land covered with trees
- 6. a large area of water that has land all around it
- 7. the shore of a sea or ocean
- 9. a small river
- 11. a long, natural area of water that flows across the land and into a sea
- 13. the large mass of salt water that covers most of the earth's surface
- 14. a steep, high wall of rock