Across
- 6. top part of mantle & crust
- 7. continental crust
- 8. layer of molten metal
- 9. break in crust
- 10. super continent
- 12. shape the surface
- 14. wear away earths surface
- 15. heat transfer by direct contact
- 17. heat transfer through empty space
- 18. earth's outer skin
- 19. 2 plates split apart
- 20. 2 plates come together
Down
- 1. 2nd layer of the earth
- 2. soft britle layer
- 3. center of the earth
- 4. 2 plates slip past each other
- 5. heat transfer by movement of heated fluid
- 11. ocean floor sinks into mantle
- 13. flow that transfers heat within fluid
- 16. ocean floor