Across
- 2. winds blow in different directions due to the Earth spinning on an axis
- 3. ____ weathering: manually breaking apart rock
- 7. plates are sliding past one another
- 10. ____ crust is younger, thinner and more dense so it doesn't float well
- 11. loss of top soil
- 12. theory that states the universe expanded from a singular particle
- 14. plates are pulling apart
- 16. layers of soil
Down
- 1. thin layer of gasses held together by gravity
- 4. ____ crust is older, thicker, and less dense so it floats better
- 5. plates are slamming together
- 6. _____ currents push plates slowly over the magma in the mantle
- 8. ____ weathering: bacteria breaks down rock through physical and chemical processes
- 9. water's ability to move through soil
- 13. decomposed organic material that gives soil dark color
- 15. ____ weathering: something dissolves or weakens minerals holding rock particles together