Across
- 3. living factors in an environment
- 4. massive slabs of solid rock;Earth's crust
- 5. ancient supercontinent that contained all continents
- 9. water flows across the surface of Earth
- 10. water falls as rain, snow, sleet, or hail
- 13. all the rocks, soil, and minerals on Earth
- 14. mixture of gases that surrounds the Earth
- 15. theory that crust floats atop mantle
- 16. fracture of crust along which movement occurs
- 17. water soaks into the ground
Down
- 1. nonliving factors in an environment
- 2. water changes from gas to liquid
- 6. all of the water on Earth
- 7. theory that explains changes in crust
- 8. part of Earth where life exists
- 11. plants release water vapor through leaves
- 12. water changes from liquid to gas