Across
- 2. started theory of continental drift
- 8. theory that the plates move
- 10. plates that move away from each other
- 11. a long narrow ditch
- 12. rigid lithospheric plates that move
- 13. sideways/downward movement to the edge of a plate
- 14. upper layer of the earths mantle
Down
- 1. new areas of oceanic crust
- 3. super continent
- 4. a current in a fluid
- 5. plates that move toward each other
- 6. rim where volcanoes and earthquakes occur
- 7. the rigid outer part of the earth
- 8. the plates of the earth
- 9. plates that slide past each other