Across
- 4. An opening in Earth's surface where melted rock or gases are forced out
- 6. A deep valley with very steep sides
- 7. A small body of fresh water
- 8. A small river
- 10. A body of water that has land all around it
Down
- 1. An area of water surrounded by land
- 2. The low land between mountains
- 3. Land that rises above the surrounding land with steep sides
- 5. A large body of salt water
- 7. A large lowland area that is flat
- 9. A large body of fresh water that flows on land in an island channel (bigger than a stream)