Across
- 1. A flat-topped underwater mountain
- 2. the zone in the ocean that light does not reach
- 3. Surrounding Pangaea was a single large ocean
- 5. The place where two plate boundaries meet
- 6. All earth’s continents in a single landmass
- 8. Part of the continent that's under water
- 10. Primary force that causes plates to move is
- 13. Rigid part of the upper mantle and crust.
Down
- 1. Ship that helped sample ocean bottom
- 4. The almost perfectly flat area of the ocean
- 7. An underwater mountain range
- 9. At a _______ boundary, plates spread apart
- 11. The edge of the continent that extends to sea floor
- 12. Oceanic crust is ______ than continental crust