Across
- 2. boundaries where plates slide past each other
- 5. upper layer of the earth's mantle
- 8. type of volcano rock that makes up the mid-ocean ridges, plates, and the oceans basins
- 9. zone Where seafloor is forced underneath continental plates
- 10. Deepest part of the ocean
- 13. When two plates move toward each other
- 15. plate Two plates that pull away from one another
Down
- 1. Where new seafloor is created
- 3. The outer part of the earth's crust
- 4. Hot molten rock deep below the earth's surface
- 6. plates The structure of the earth's surface
- 7. Crack in the earths surface between two divergent plates
- 11. The outer solid portion of the planet earth
- 12. The scientist who first proposed the theory of the continental drift
- 14. The section below Earth's crust