Across
- 2. The thinnest layer.
- 3. Chains of lava mountains.
- 4. The forces causing the movement of plate tectonics.
- 7. Chain of lava mountain islands.
- 11. Creator of the theory of continental drift.
- 12. The thickest layer.
- 13. Oceanic crust is made of this rock.
- 15. What happens when a continental and oceanic plate collide.
- 16. Where plates slide past each other.
- 20. ______ rock is called magma.
- 21. Where tectonic plates move away from eachother.
- 22. This mechanical layer is stiff and in the lower Mantle.
- 23. The only liquid layer of earth.
- 25. Alfred Wegner's rejected theory.
Down
- 1. The theory made up of 2 different theories.
- 5. The boundary where plates push towards eachother.
- 6. Denser than continental crust.
- 8. The center of the earth.
- 9. The earth's top mechanical layer.
- 10. The hot molten rock inside of volcanos.
- 14. The layer below the Lithosphere.
- 17. Thicker than oceanic crust.
- 18. The Mesosphere is _____.
- 19. A common natural disaster at faults.
- 24. The supercontinent 250mya.
