Cloud Crossword

1. water droplets
4. form at very high altitudes where temperatures are very cold. The cold temperatures cause the water to condense into feathery-looking ice crystals.
5. pellets of frozen rain which fall in showers from cumulonimbus clouds.
6. is the amount of moisture, or water vapor, in the air
7. is formed at the boundary between cold and dry air from the North Pole, and warmer, moister air from farther south.
12. when water droplets in a cloud combine and get large andheavy, they fall from the sky in the form of ____________.
13. precipitation that forms when water vapor freezes
14. form in large sheets, usually at low altitudes. Fog is actually a stratus cloud that is really close to the ground.

2. refers to the condition in the atmosphere at a given place and time.
3. are puffy and located at mid-level to lower elevations. They usually show up on days with nice weather, but really tall and gray ones can cause thunderstorms.
4. when water vapor in the air condenses
8. swirling vortex of wind
9. water falling in drops condensed from vapor in the atmosphere
10. someone who studies the atmosphere and predicts weather
11. is the result of the air pressure and density differences caused by warm and cool air