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