Across
- 4. boundary that collides(makes mountains)
- 6. floor that is less dense
- 9. floor that is more dense
- 10. lines that are cause by earthquakes
Down
- 1. type of current in the mantle that causes plates to move
- 2. one plate goes underneath the other
- 3. density of 1 g/mL
- 5. boundary that divides or moves away
- 7. plates that move beneath our feet
- 8. boundary that slides past each other; causes earthquakes