Across
- 2. a break in the Earth's crust
- 3. plate piece of the lithosphere that moves on the asthenosphere
- 8. boundary boundary between two plates moving away from each other
- 10. core liquid layer of the Earth's core
- 12. boundary boundary between two plates that are sliding past each other
- 14. core solid, dense center of the Earth
- 15. drift theory that continents drift apart
- 17. outermost, rigid layer of the Earth
- 18. layer between the crust and the core
- 19. a squeezing force
- 20. outermost layer of the Earth
Down
- 1. prevailing weather conditions of a region
- 4. a pulling force
- 5. boundary boundary between two colliding plates
- 6. zone a region where a an oceanic plate sinks down into the athenosphere
- 7. soft layer of the mantle
- 9. the bending of rock layers
- 11. The person whos class this is
- 13. spreading new lithosphere is created here
- 16. tectonics the theory that Earth's outer shell is divided into several plates