Across
- 3. cooled lava
- 4. to plates move apart
- 6. two pieces slide past each other
- 7. when tectonic plates slide horizontic
- 9. a tiny piece of land
Down
- 1. goes under neath the crust
- 2. two platesmove close
- 3. a big bump in the ground
- 5. a big mountain that explodes
- 8. a crack, split
