Across
- 1. these spew out hot rock from the mantle
- 8. the rock we stand on
- 10. plates moving up and down
- 11. our planet
- 15. the biggest layer of the earth
- 16. these spread out all over the earth to form the crust
- 17. these come from divergent plate boundaries
- 18. super continent
- 19. these happen on plate boundaries
- 20. plates moving towards each other
Down
- 2. The lower layer of the mantle
- 3. The outer layer of the lithosphere
- 4. the center of the earth
- 5. these come from convergent plate boundaries
- 6. the process of the sea floor going underneath the crust
- 7. The upper layer of the mantle
- 9. think of Pangea
- 12. The branch of geophysics involving magnetism
- 13. plates moving apart
- 14. someone who studies rocks