Across
- 1. the tiny particles which make up molecules
- 5. the smallest particle of a substance which has all the qualities of that substance
- 7. the amount of water vapor in the air
- 9. a low, thick layer of clouds that look like a blanket
- 10. the temperature at which water vapor condenses; 2 separate words
- 12. anything that takes up space and has weight
Down
- 2. a scientist who studies the weather
- 3. any form of water from the clouds that falls to the earth
- 4. a large, puffy cloud with a flat bottom; means "piled up in heaps"
- 6. the layer of air surrounding the earth
- 8. a very high, thin, featherlike cloud; means "curly"
- 11. a rain or storm cloud