Across
- 3. two tectonic plates move away from each other
- 6. An extended break in a body of rock
- 9. A black volcanic rock
- 10. Relating to vibration made in Earths crust
- 12. the 4 and last layer of the earth
- 13. Heat transferred through contact with matter
- 14. The second layer of the earth
- 17. Heat transferring through empty space
- 18. A natural occurring substance in earths crust.
Down
- 1. Two tectonic plates collide with each other
- 2. super continent
- 4. The reason why the Pacific is getting smaller
- 5. third layer of the earth
- 7. Two tectonic plates slide past each other
- 8. a colorful rock found on the crust
- 11. first layer of the earth
- 15. The rigid outer part of the crust and mantle
- 16. The crust of the earth shaking when the tectonic plates move.