Across
- 3. plates moving laterally
- 7. movement of continents
- 8. less dense but bigger
- 10. containing crust and upper mantle
- 11. all continents together
- 13. crust going under crust
- 14. founder of continental drift theory
- 15. plates moving away from each other
Down
- 1. with and without subduction
- 2. underwater mountains
- 4. cooled magma moving ocean crust
- 5. black smoke and heated water
- 6. how the continents move
- 9. subduction against continent plate
- 12. more dense but smaller