Across
- 1. the pieces called what?
- 3. generates earthquakes
- 6. wegeners idea that the continents move is called
- 8. outer skin of the earth
- 9. a deep valley
- 11. a dark fined grained rock
- 13. mountains under water
- 16. a device that shows us down far below the ocean
- 17. a part of the earths inner
- 18. supercontinent
- 19. breaks in earths crust
Down
- 1. the earth's motion into a single theory
- 2. any trace of anything ancient
- 4. when somthing goes back into the mantle
- 5. when the oceanic crust bends down
- 7. force pressing on something
- 10. colliding of the plates
- 12. a rock that is normally light colored
- 14. the last layer in our earth
- 15. separating of the plates