Winds — Test Answers

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1
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Which description refers to cumulus clouds?

A
are fluffy
B
form layers
C
are usually gray
D
cover most of the sky
2
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Which statement accurately describes humidity?

A
Humidity is a measure of dew in the air.
B
Colder air promotes more evaporation.
C
Cold air holds more moisture than warm air.
D
Humidity refers to the amount of water vapor in the air.
3

Study the image.

Question illustration
A
cirrocumulus
B
cumulonimbus
C
cumulus
D
stratus
4

Which description refers to cirrus clouds?

A
are fluffy
B
are wispy
C
produce snow
D
form at low altitudes
5

Which condition is necessary for water droplets to condense and form clouds?

A
dry air
B
ice crystals in air
C
tiny particles in air
D
rising temperatures
7

From which type of clouds do hail pellets form?

A
cirrus
B
cumulonimbus
C
nimbostratus
D
stratus
8

Which correctly lists three forms of frozen water?

A
dew, frost, rain
B
frost, hail, sleet
C
hail, rain, sleet
D
rain, dew, frost
10

Clouds are formed when

A
sunlight causes water droplets to evaporate.
B
liquid water condenses on grass and windows.
C
raindrops freeze into tiny pellets and fall to Earth.
D
water vapor in the air condenses to form liquid water or ice.

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