Across
- 4. underwater land.
- 8. a supercontinent.
- 9. a boundary where plates crash together.
- 11. has many volcanoes and earthquakes located around the pacific ocean.
- 12. drift continents moved away from each other.
Down
- 1. a boundary where plates pull a part.
- 2. one plate goes UNDER another plate.
- 3. divergent plates move a part at the bottom of the ocean.
- 5. when plates move causing the earth to shake.
- 6. new crust is created because of sea-floor spreading.
- 7. a boundary where plates slide horizontally.
- 10. a mountain that is formed at a convergent plate boundary.