Across
- 2. hot rocks
- 6. when two plates separate
- 7. thick outer layer
- 9. rocks that make up earths crust and upper mantel
- 10. a hole in the earth where lava and magma come from crust
Down
- 1. a dense outer layer of earth
- 3. a tectonic belt
- 4. when a part of the earth shakes
- 5. when two plates collide
- 8. two plates move past horizontally