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