The Water We Use — Unit test Answers

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1
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Which of the following gases is NOT found in Earth’s atmosphere?

A
oxygen
B
nitrogen
C
hydrogen
D
all of the above are in the atmosphere
2
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Orly wants to reduce her contribution to the greenhouse effect. What could she do?

A
grow crops without using fertilizers
B
use an electric car instead of a gasoline-powered car
C
cool her home using CFC-based refrigerants
D
burn natural gas without a carbon-dioxide filter
3

Which of the following describes an air mass with the symbol cT?

A
it is a cold air mass over an ocean
B
it is a warm air mass over a continent
C
it is a warm air mass over an ocean
D
it is a cold air mass over a continent
6

Please select the word from the list that best fits the definition

A
dew point
B
relative humidity
C
clouds
D
precipitation
7

Which of the following instruments is NOT used to take weather measurements?

A
thermometer
B
weather balloon
C
galvanometer
D
anemometer
10

Which of the following is NOT a kind of air mass found in the United States?

A
polar tropical
B
maritime polar
C
continental polar
D
maritime tropical
11

Solar radiation bounces off of a polar ice cap, then goes into the atmosphere where it remains trapped. Which statement best describes this situation?

A
The radiation is absorbed by the ice and then reflected by the atmosphere.
B
The radiation is reflected by the ice and then absorbed by the atmosphere.
C
The radiation is absorbed by the ice and atmosphere.
D
The radiation is reflected by the ice and atmosphere.
12

Which statement best describes the effect of texture on absorption of radiant energy?

A
Rough and smooth surfaces do not absorb energy.
B
Rough and smooth surfaces affect the absorption equally.
C
Rough surfaces absorb more energy than smooth surfaces.
D
Rough surfaces absorb less energy than smooth surfaces.
13

Please select the word from the list that best fits the definition

A
cumulus
B
fog
C
stratus
D
cumulonimbus
14

Land breezes occur at night.

A
T
B
F
15

Which statement best describes the effect of color on energy absorption and reflection?

A
Light colors reflect more and absorb less than dark colors.
B
Light colors reflect less and absorb more than dark colors.
C
Light colors absorb and reflect more than dark colors.
D
Light colors absorb and reflect less than dark colors.
16

Chlorofluorocarbons may be harming the ozone layer by ____.

A
adding more ozone molecules
B
blocking ultraviolet radiation
C
destroying ozone molecules
D
adding carbon dioxide molecules
17

Which of the following increases air’s ability to hold water vapor?

A
increase in wind speed
B
increase in temperature
C
decrease in temperature
D
decrease in air pressure
18

What occurs when solar radiation bounces off a surface?

A
texturization
B
absorption
C
reflection
D
energization
19

Peter is burning fossil fuels as he uses his lawn mower. Which greenhouse gases is he generating?

A
nitrous oxide and carbon dioxide
B
CFCs and nitrous oxide
C
methane and CFCs
D
carbon dioxide and methane

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