Across
- 3. when an island splits off of a continent
- 8. main factor of an earthquake
- 10. the mountains are made of them
Down
- 1. one of the main predators of the Rocky mountains
- 2. when a mountain becomes a crater
- 4. a species of animal that kills other animals
- 5. bubbling hot helium are found in these
- 6. the rockies are 3000 _____ long
- 7. special rocks from a long time ago
- 9. scratch marks on certain rocks