Across
- 3. mountain where lava erupts
- 5. rock composed continental and oceanic boundary
- 7. plates that move away from each other
- 9. heat from the interior to the surface.
Down
- 1. heavier plate dives beneath the lighter
- 2. formed when plates press against each other
- 4. formed by divergent plate boundaries
- 6. plates slide sideways past each other
- 8. plates that move towards each other
- 10. formed by subduction