Across
- 2. large pieces of crust
- 4. name of the "super continent"
- 7. scale used to measure earthquakes
- 10. plates that move into each other
- 11. measure the amount of energy released from an earthquake
- 13. In what language does pangaea mean all the earth
- 14. plates that move away from each other
- 16. of or relating to vibrations of the earth's crust
- 18. plates that move past each other
- 20. what were one of the things scientists found on two continents that were the same
- 23. outermost layer of earths layers
Down
- 1. size of an earthquake
- 3. Breaking and cracking of rocks inside the crust/plates
- 5. how many major plates are there
- 6. deep,narrow ditch
- 8. last name of the scientist who came up with plate tectonics
- 9. areas around the plates where volcanic and earthquakes activity is likely
- 10. most inner layer of earths layers
- 12. the second layer in the earth's layers
- 15. The point on the surface directly above the focus
- 16. Breaks happen after what builds up
- 17. when magma pushes up through a weak area what happens first
- 19. The exact point where the earthquake started
- 21. amount of centimeters plates move every year
- 22. one plate goes under the other