Across
- 3. process where rocks and soil break, and spread
- 4. slow movement of tectonic plates
- 7. sun heats up water and makes water vapor
- 8. violent shaking of Earth's crust
- 9. beginning of spring & autumn
- 13. cooler temp. cause water to make clouds
- 14. large, powerful waves that cause destruction
Down
- 1. useful to
- 2. sections of Earth's crust
- 3. necessary
- 5. mountain that erupts molten, gases, and ash
- 6. water that falls to Earth in rain/snow
- 10. edge of continent, extends under water
- 11. a level, flat area
- 12. a plain that sits above water level