Across
- 3. plates move past each other
- 5. seven or eight major plates
- 7. transfer of heat by circulation
- 8. the Earth's crust slowly drifts atop a liquid core
- 11. mantle rises in margins between plates and spreads
- 13. two plates are moving away from each other
Down
- 1. forcing one under the other
- 2. the crust is divide
- 3. deepest parts of the ocean floor
- 4. divergent, convergent, transform
- 6. high sea wave that can be caused by an earthquake
- 9. violent shaking of the ground
- 10. two, or more tectonic plates toward one another and collide
- 12. running along the Mid Atlantic Ridge