Across
- 2. one plate sinking under another
- 5. two plates moving away from each other
- 6. the proposed super-continent that existed millions of years ago
- 8. the top rocky layer of the earth
- 11. landform at the bottom of the ocean where new seafloor is being created
- 12. created by subducting crust melting and rising through the lithosphere
Down
- 1. the theory that the continents are moving
- 3. two plates sliding by each other
- 4. caused by two plates sliding past each other violently
- 7. the scientist that came up with the theory of continental drift
- 9. the force causing the plates to move
- 10. two plates colliding