Across
- 4. land form
- 6. climate
- 10. rocks
- 11. continental drift
- 15. mantel
- 16. fossils
- 17. core
- 18. seismologist
- 20. volcano
- 21. crust
Down
- 1. sea floor
- 2. shake
- 3. molten
- 5. rift
- 7. earthquake
- 8. plate tectonics
- 9. pressure
- 12. trench
- 13. tsunami
- 14. plates
- 15. move
- 19. magnetic