Across
- 5. opening of a volcano
- 6. super continent
- 10. extremely hot part of the mantle
- 11. first layer of the earth
- 14. movement of matter caused by variations in temperature
- 15. rocks change shapes due to stress
- 16. it pushes rocks away from each other
- 18. pushes rock together
- 19. two plates move away from each other
- 20. less dense than solid rock
- 21. pieces of the lithosphere
- 24. when molten rock rises from the cracks of the earth
Down
- 1. two plate collide
- 2. is magma that has reached earths surface
- 3. rigid layer of earth
- 4. theory that says the crust is broken down into parts
- 7. second layer of the earth
- 8. when rock layers bend under stress
- 9. mountain that shots out lava
- 12. weak layer of the mantle
- 13. two plates move horizontally
- 17. strong layer of the mantle
- 21. stretches rock apart
- 22. the third layer of the earth
- 23. a crack that forms between two blocks