Across
- 2. large slabs of rock that divide Earth's crust.
- 4. turning into one thing into another
- 6. shoots out lava
- 9. the planet we live on
- 10. where two plates move away from each other.
- 11. you go hiking on them
- 12. a fracture or zone of fractures between two blocks of rock.
Down
- 1. tending to move toward one point or to approach each other
- 3. the bottom of the ocean
- 5. boundary between two major plates of the Earths crust
- 7. a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes.
- 8. naturally occurring barrier between two areas.