1.
Which clouds look like heaps of cotton?
A. 
B. 
C. 
D. 
2.
What clouds look like wispy curls high in the air? (Cirrus/cumulus/stratus/nimbus)
3.
Which clouds spread out and look like a low cover just overhead? (Cirrus/cumulus/stratus/nimbus)
4.
Which clouds are dark, gray blanket or puffs of smoke? (altocumulus/cumulus/stratus/cumulonimbus)
5.
These clouds show it is going to rain and are stormy clouds. (altocumulus/cumulus/stratus/cumulonimbus)
6.
These clouds are seen in the blue sky and are high curly, wispy clouds. (Cirrus/cumulus/stratus/nimbus)
7.
These clouds hang above the city and spread out. (Cirrus/cumulus/stratus/nimbus)
8.
These clouds are white fluffy clouds. (Cirrus/cumulus/stratus/nimbus)
9.
These clouds are high, thin, white clouds made of tiny ice pieces. (Cirrus/cumulus/stratus/nimbus)
10.
These clouds are low flat gray clouds that are layered. (Cirrus/cumulus/stratus/nimbus)
11.
Stratus clouds that lie close to the ground are called. (cloud/fog/river/air)
12.
Clouds that form in warm air on sunny days. (Cirrus/cumulus/stratus/nimbus)
13.
Thunderhead clouds that are dark puffy clouds. (altocumulus/cumulus/stratus/cumulonimbus)
14.
Water in the air. (condensation/evaporation/fumes/water vapor)
15.
Water vapor is liquid, solid, or gas.
16.
Amount of water vapor in the air. (vapors/fumes/fog/humidity)
17.
On hot summer days, these clouds generally cause thunderstorms (altocumulus/cumulus/stratus/cumulonimbus)
18.
These clouds form in high altitudes and are formed by ice crystals. (Cirrus/cumulus/stratus/nimbus)
19.
Clouds that are formed at higher altitudes and are fluffy white masses with flat bases. (Cirrus/cumulus/stratus/nimbus)
20.
Low clouds without a definite form. (Cirrus/cumulus/stratus/nimbus)
21.
Clouds associated with fair weather. (Cirrus/cumulus/stratus/nimbus)
22.
Clouds associated with moist weather, drizzle, snow, or small ice particles. (Cirrus/cumulus/stratus/nimbus)
23.
Clouds closest to earth. (Cirrus/cumulus/stratus/nimbus)
24.
Clouds that are light gray in color and give winter skies a dull gray color. (Cirrus/cumulus/stratus/nimbus)
25.
Clouds that indicate the location of a distant storm or an approaching change in weather. (Cirrus/cumulus/stratus/nimbus)