Across
- 2. ridges under the ocean (makes new crust
- 6. two plates colliding
- 8. occurs at divergent boundaries
- 9. when two plates slide past
Down
- 1. crack in the Earth's surface
- 3. two tectonic plates moving away
- 4. when plates collide and make a move
- 5. when two plates collide and rise
- 7. molten rock