Across
- 6. convection
- 9. earthquake
- 10. transform boundary
- 12. trench
- 14. continental crust
- 18. mountain
- 19. tectonics theory plate tectonic theort
- 20. plate pressure
Down
- 1. lithosphere
- 2. island arcs
- 3. oceanic crust
- 4. divergent boundary
- 5. inner core
- 7. convergent boundary
- 8. volcano
- 11. outer core
- 13. crust
- 15. tectonic plate
- 16. continental drift
- 17. hot spots