Across
- 5. Hypothesis that new ocean crust is formed
- 7. 2 tectonic plates come together and overlap
- 8. Convection currents in the molten rock
- 9. A large elongated depression
Down
- 1. The hypothesis that continents were joined as a single landmass
- 2. 2 plates slide past each other
- 3. When an oceanic plate hits a continental plate and then slides under it
- 4. 2 tectonic plates moving away from each other in opposite directions
- 6. A mid ocean ridge is a seafloor mountain system formed by plate tectonics
- 10. Huge pieces of earths crust that cover its surface and fit together at their edges