Across
- 6. the idea of all different landmasses once being connected
- 7. the layer that floats on the lithosphere
- 9. the crust found under oceans
- 12. greek for weak
- 14. layer that is divided into several very slowly moving plates that hold the oceans and continents together
- 15. scientist who originally thought of the idea of Pangaea
- 17. several large slabs
- 19. tectonic plates are moving away from each other
- 20. the belief of how the mantle flows
Down
- 1. tectonic plates are colliding
- 2. the process by which the ocean floor sinks into the mantle is known as
- 3. the process that continually adds new material to the ocean floor
- 4. tectonic plates are sliding past each other
- 5. outermost layer
- 8. all tectonic plates can create this natural disaster
- 10. the crust that underlies continents
- 11. the only liquid layer
- 13. the border between two tectonic plates
- 16. the thickest layer
- 18. greek for stone