Across
- 2. process by which rocks,sediment or bits of soil are carried away
- 5. openings in the crust where magma can reach the surface
- 7. broken into pieces called tectonic plates
- 9. soft upper layer of the mantle below the lithosphere
- 10. tectonic plates move away from each other
- 11. the denser plate is pushed beneath the other
- 13. such as a cave or the top of a volcano
- 14. the steepness or flatness of Earth's surface
- 15. all Earth
- 17. process by which rocks are borken down
- 18. tectonic plates slide horizontally past each other
- 20. to react chemically with oxygen
Down
- 1. sediment carried by erosion settle out in a new location
- 3. solid, yet soft enough to flow
- 4. hypothesized that all the continents were once connected
- 6. land retile
- 8. tectonic plates move toward each other
- 12. freshwater reptile
- 16. layer beneath the crust
- 19. breaking apart of the crust