Across
- 6. theory on how landforms are created due to earth's movements
- 9. two plates collide
- 11. two plates separating
- 12. one of the large pieces of the surface of the earth that move separately.
- 13. happens at bottom of ocean when tectonic plates move apart
- 15. the movement of continents throughout time
Down
- 1. where two tectonic plates meet under the ocean
- 2. formed by divergent boundaries
- 3. proposed the theory of continental drift
- 4. two plates slide past each other
- 5. solid outer part of earth
- 7. one plate going under the other
- 8. an opening in the seabed of the Earth by which geothermal energy escapes
- 10. natural tectonic plate boundaries between two crustal plates
- 14. super continent