True or False 1-10 1. When air temperature falls, the air can hold more water vapor.

2. Cloudy days tend to have a greater range of temperatures than clear days.

3. Water vapor condenses when air temperature reaches the dew point.

4. A cloud consists of billions of individual water droplets.
5. Dust or other particles are needed for clouds to form.
6. Only high clouds consist of ice crystals.

7. Stratocumulus clouds rarely bring precipitation.
8. Advection fog forms when warm humid air travels up a hillside and cools.

9. All precipitation falls from clouds.

10. Hail forms in cumulonimbus clouds with strong updrafts.