Across
- 2. A large mass of ice that moves slowly downhill
- 8. A vast body of saltwater that covers most of the Earth's surface
- 9. A natural mountain or hill that erupts hot lava, ash, and gases
- 10. A dry and arid region with little rainfall
Down
- 1. A large, flowing body of water that usually empties into a sea or ocean.
- 3. A deep valley with steep sides, often with a river running through it
- 4. A large natural elevation of the earth's surface rising abruptly from the surrounding level; a large steep hill.
- 5. A natural area of sand or pebbles by the sea
- 6. A natural feature where water drops from a height over a rocky surface
- 7. A word for a dense area of trees and underbrush