Across
- 3. supercontinent
- 9. minor supercontinent in the south
- 13. hottest layer
- 14. seafloor spreading theory
- 17. crack on crust
- 18. harbor wave
- 20. layer of mantle able to flow
- 21. thicker type of crust
- 23. evidence of Plate Tectonic Theory
- 24. made up of crust and upper mantle
Down
- 1. denser crust
- 2. colliding plates
- 4. plates moving apart
- 5. narrow depression on the ocean floor
- 6. minor supercontinent in the north
- 7. plates sliding past each other
- 8. remains of organisms
- 10. proposed Continental Drift
- 11. pieces of crust
- 12. underwater mountain range
- 13. heat transfer
- 15. where oceanic crust sinks
- 16. above focus
- 19. earthquake
- 22. layer underneath the crust