Across
- 4. a mountain range down in the ocean,
- 7. the process that forms new ocean floors
- 9. movement of the continents,
- 10. plate a tectonic plate deep under the ocean,
- 11. a tight space hole in the ocean floor,
- 12. a plate boundary where the plates slide past each other,
- 13. a theory that all continents fit with each other,
- 15. the process where the earth's crust converges into earth's mantle,
Down
- 1. a plate boundary where the plates are moving away from each other,
- 2. the outer part of earth,
- 3. large pieces of the earth's surface,
- 5. famous for continental drift theory,
- 6. the structure of earth's crust,
- 8. an open spot on the seafloor where heated mineral water flows,
- 14. a plate boundary where the lithospere colides,