Across
- 3. two plates sliding past each other
- 8. when earths magnetic poles shift direction
- 11. when the ocean floor gets pushed away by a ridge
- 12. when one plate dives under another plate
- 14. set of conditions that lead to same long term condition
- 15. motion of tectonic plate accounted for by subduction
Down
- 1. theory that outer layer of earth is divided into plates
- 2. super continent "all of the earth"
- 4. one tectonic plate moves under another tectonic plate
- 5. ocean floor moving away from ridge
- 6. study of magnetic records in rocks
- 7. two plates moving away from each other
- 9. theory that continents move
- 10. device that measures magnetic field
- 13. linear lowlands formed in between highlands