Across
- 2. a rock contains aluminum silicates
- 4. a green mineral
- 5. of fire volcanic activity in Pacific Ocean
- 9. a soft carbon that’s slippery
- 12. carbon that was put under heat and stress
- 13. a form of carbon and slippery
- 14. when plates move against eachother
- 15. when 1 plate goes under the other
- 18. metamorphic rock that feels soapy
- 19. a rock that crumbles easily and made of sand
- 20. liquid rock under earths surface
Down
- 1. plates that come together
- 3. plates that move away from eachother
- 6. heavy element used in coins
- 7. a igneous rock with quartz
- 8. boundaries there are 7 of these on earth
- 10. liquid rock on surface of earth
- 11. rock formed from shells
- 16. a white rock used in cement
- 17. a huge wall of water from a earthquake