Across
- 2. High-altitude clouds that are thin, wispy, and white
- 5. A measure of how salty water is
- 6. Continent with much of Earth's ice
- 8. When water falls from clouds as rain, snow, sleet, or hail
- 10. Ice changing into water vapor without first melting
- 11. Low-altitude clouds that cover the whole sky
- 12. An artificial lake that forms behind a dam
- 14. A cloud at ground level
Down
- 1. The layer of rock and soil that groundwater occupies
- 3. The top layer of groundwater in an aquifer
- 4. The changing of liquid water to water vapor
- 7. When water vapor turns into liquid
- 9. Mid-altitude clouds that look like small, puffy balls
- 13. Clouds that cause thunderstorms