Across
- 2. a ball of iron and nickel
- 6. layer below the mantle
- 8. The theory that earth crust is divided into plates
- 10. outermost layer of the earth
- 11. the plates coming together
- 12. layer under the crust
- 14. the crust and uppermost mantle
Down
- 1. when one plate is below another
- 3. the plates moving apart
- 4. plates slide past each other
- 5. movement of plates over time
- 7. fracture in the earth crust
- 9. new crust is formed
- 13. when stress causes rocks to be squeezed