Across
- 3. convection
- 4. divergent
- 7. subduction
- 10. lithosphere
- 11. fault
- 13. convergent
- 14. boundary
- 15. floatingplates
- 17. tectonicplates
- 18. movingplates
- 19. slabpull
- 20. ridgerush
Down
- 1. volcanic
- 2. asthenosphere
- 5. earthquake
- 6. transform
- 8. continentialplates
- 9. seafloorspread
- 12. platebboundary
- 16. theory