Across
- 2. found in old mountains
- 4. a gray type of rock
- 5. contanets together
- 8. a type of melting rock
- 9. fresh water
- 11. cold magma
- 13. big crack in the ground
- 15. air moving
- 18. glass
- 19. found at the beach
- 20. when two tectonic plates rub together
Down
- 1. different colors and shapes found on the ground
- 3. rock with crystals in it
- 6. made to make steel blades
- 7. made to make pennys
- 10. a type of rock
- 12. found in rocks
- 14. thickness in the earth
- 16. fingernail.
- 17. rainbow