Across
- 4. a shock after an earthquake
- 5. the volcanoes hole
- 7. when magma hits the surface
- 8. a break or crack
- 12. movement in the earth
- 13. a trench in the ocean
- 15. the 3 layer of the earth
- 16. the inside of the earth
Down
- 1. measures an earthquake
- 2. a theory that the plate where once together ocean trench
- 3. hot molten materiel
- 6. when to plates slide
- 9. plates
- 10. dust and debris
- 11. the second layer of the earth
- 14. the outside of the earth
