WorksheetsHumidity & Clouds
Total questions: 24
Worksheet time: 40mins
Name
Class
Date
1.
The phase change from water vapor to liquid water is known as
a)
evaporation
b)
precipitation
c)
condensation
d)
sublimation
2.
Latent heat is
a)
energy stored by ozone molecules
b)
hidden amounts of solar radiation
c)
energy given off by plants, volcanoes, or fires
d)
energy released or absorbed by H2O
3.
Water vapor capacity is best described as
a)
maximum water vapor that evaporates at a specific temperature
b)
the ratio of water vapor to water vapor at saturation
c)
the amount of water vapor in the atmosphere right now
d)
how much liquid water Lake St. Clair can hold
4.
Dew Point is the
a)
temperature air cools down to reach condensation
b)
temperature where ice melts to liquid water
c)
temperature where ice turns directly into water vapor
d)
time of day when dew on the ground disappears
5.
Dew is most likely to form
a)
after heavy rain on a humid day
b)
when humid air contacts cold ground
c)
when the snow on the ground melts
d)
during windy nights when it rains
6.
During which part of the water cycle does a cloud form?
a)
Evaporation
b)
Precipitation
c)
condensation
d)
Run off
7.
As the air temperature increases, the air's capacity for water vapor:
a)
increases
b)
decreases
c)
remains the same
d)
is unrelated to air temperature and can either increase or decrease
8.
Estimate the relative humidity (%) if the air temperature is 23 degrees C and the humidity is 15g. (USE YOUR BLUE HUMIDITY GRAPH)
a)
15%
b)
23%
c)
75%
d)
100%
9.
Estimate the relative humidity (%) if the air temperature DROPS TO 18 degrees C and the humidity stays at 15g. (USE YOUR BLUE HUMIDITY GRAPH)
a)
15%
b)
18%
c)
75%
d)
100%
10.
A dry-bulb temperature of 30°C and a wet-bulb temperature of 29°C were recorded at a weather station. What are the relative humidity and the most likely weather conditions? (use your dry-bulb-wet bulb chart)
a)
Relative humidity is 29% with clear skies
b)
Relative humidity is 29% with a good chance of snow
c)
Relative humidity is 93% with clear skies.
d)
Relative humidity is 93% with a good chance of rain.
11.
Air has a dry-bulb temperature of 2 °C and a wet-bulb temperature of -2 °C, what is the relative humidity?
a)
11%
b)
20%
c)
36%
d)
67%
12.
At what time would you expect dew to form on the ground? (USE THE CHART BEHIND THE QUESTION)
a)
6AM
b)
6PM
c)
4AM
d)
12PM
13.
What type of cloud is shown (in the pic behind the question)?
a)
cumulus
b)
cirrus
c)
stratus
14.
Identify this cloud type (in the pic behind the question)
a)
cirrus
b)
cumulus
c)
stratus
d)
cumulonimbus
15.
Identify this cloud type (in the pic behind the question)
a)
cirrus
b)
cumulus
c)
stratus
d)
cumulonimbus
16.
This is sometimes called a thunderhead cloud. It looks very tall like mountains and heavy rain comes from it.
a)
Cumulus
b)
Cirrus
c)
Stratus
d)
Cumulonimbus
17.
Clouds form when...
a)
liquid water is heated and evaporates to become water vapor in the atmosphere.
b)
water vapor in the atmosphere cools and condenses becoming water droplets in the atmosphere
c)
water droplets float upwards and gather together in the atmosphere to form a cloud.
18.
Clouds are classified by their
a)
color and size
b)
color and shape
c)
height and size
d)
height and shape
19.
Identify this cloud type (in the pic behind the question)
a)
cirrus
b)
cumulus
c)
stratus
d)
cumulonimbus
20.
Clouds form with
a)
atmospheric dust, low pressure, and moist air
b)
high pressure, high temperatures, and condensation nuclei
c)
low temperatures, zero dust particles, and dry air
d)
dry air, condensation nuclei, and low pressure
21.
This type of fog forms as the colder ground cools warmer air overnight.
a)
steam fog
b)
advection fog
c)
radiation fog
d)
upslope fog
22.
When warm moist air moves in over colder ground or colder ocean water, this type of fog forms.
a)
steam fog
b)
advection fog
c)
radiation fog
d)
upslope fog
23.
When warm moist air moves inland up the side of a mountain, _______ has occurred to form clouds.
a)
convective cooling
b)
frontal wedging
c)
orographic lifting
d)
evaporation
24.
During a typical day, the Sun warms the Earth, which then warms the air above it. The rising air forms clouds by_________.
a)
orographic lifting
b)
frontal wedging
c)
evaporation
d)
convective cooling
100 %
