Across
- 1. depression in ocean floor.
- 4. boundary that moves away from each other.
- 5. what occurs at a divergent boundary?
- 6. boundary that collides together.
- 9. boundary that slides across from each other.
- 10. when one plate is subducting under another.
Down
- 2. magma rising and falling in earth's manlte.
- 3. molten rock.
- 7. outermost layer of earth.
- 8. when tectonic plates cause earth to move.