Multiple
Choice
Identify the letter of the choice that best completes the statement or answers the
question.
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1.
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Cold, dry air affecting the
northern United States in winter often comes from a. | maritime polar air
masses. | b. | maritime tropical air masses. | c. | continental polar air masses. | d. | continental tropical air masses. | | |
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2.
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Instruments used to measure air
pressure are called a. | thermometers. | b. | hygrometers. | c. | hydrometers. | d. | barometers. | | |
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3.
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From Earth to space, the main
layers in our atmosphere are: a. | troposphere, stratosphere, mesosphere,
thermosphere. | b. | stratosphere, troposphere, mesosphere,
thermosphere. | c. | mesosphere, troposphere, stratosphere,
thermosphere. | d. | thermosphere, troposphere, stratosphere,
mesosphere. | | |
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4.
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When a warm air mass and a cold
air mass meet and no movement occurs, the result is a(n) a. | occluded front. | b. | warm front. | c. | stationary front. | d. | cold front. | | |
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5.
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The layer in our atmosphere in
which weather occurs is the a. | troposphere. | b. | stratosphere. | c. | mesosphere. | d. | exosphere. | | |
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6.
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The two most abundant gases in
the atmosphere are a. | carbon dioxide and
oxygen. | b. | carbon dioxide and nitrogen. | c. | nitrogen and oxygen. | d. | nitrogen and
hydrogen. | | |
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7.
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Warm air masses that affect the
west coast of the United States are called a. | maritime polar air
masses. | b. | maritime tropical air masses. | c. | continental polar air masses. | d. | continental tropical air masses. | | |
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8.
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Weather associated with an
anticyclone is generally a. | cloudy but dry. | b. | unpredictable. | c. | wet and cloudy. | d. | dry and clear. | | |
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9.
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Water vapor is water in the
form of a. | steam. | b. | crystals. | c. | a gas. | d. | droplets. | | |
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10.
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As you rise farther in the
atmosphere, air pressure a. | increases. | b. | decreases. | c. | doesn't change. | d. | first increases, then decreases. | | |
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11.
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Any form of water that falls
from clouds is called a. | dew. | b. | evaporation. | c. | condensation. | d. | precipitation. | | |
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12.
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One difference between cyclones
and anticyclones is a. | their size. | b. | where they occur. | c. | the direction of their
winds. | d. | how often they occur. | | |
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13.
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Very high feathery clouds are
called a. | stratus clouds. | b. | cumulonimbus clouds. | c. | cirrus clouds. | d. | nimbostratus clouds. | | |
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14.
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When a rapidly moving cold air
mass runs into a slowly moving warm air mass, the result is a(n) a. | cold front. | b. | occluded front. | c. | warm front. | d. | stationary
front. | | |
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15.
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Layered clouds that often cover
much of the sky are called a. | stratus clouds. | b. | cumulonimbus clouds. | c. | cirrus clouds. | d. | cumulus clouds. | | |
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16.
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The main layers of the
atmosphere are classified according to changes in a. | altitude. | b. | density. | c. | pressure. | d. | temperature. | | |
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17.
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Relative humidity can be
measured with a a. | hydrometer. | b. | barometer. | c. | psychrometer. | d. | thermometer. | | |
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Completion
Complete each sentence or statement.
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18.
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Cold, dry
_________________________ air masses blow into the United States from central Canada.
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19.
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The condition of Earth's
atmosphere at a particular time and place is known as ____________________.
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20.
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The gas that is found in the
greatest amount in the atmosphere is ____________________.
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21.
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In the part of the atmosphere
called the ____________________, solar particles hit atoms and cause them to glow and produce the
northern lights or aurora borealius.
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22.
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Satellites orbit in the part of
the thermosphere called the ____________________.
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23.
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The _________________________
is the temperature at which water in air changes from a gas to a liquid.
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Short
Answer
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24.
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What is the temperature of the
dry-bulb thermometer?
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25.
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Based on the temperatures
shown, what is the relative humidity of the air?
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26.
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Suppose the relative humidity
of the air is 85 percent and the reading of the wet-bulb thermometer is 24¡C. What is the
reading of the dry-bulb thermometer?
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27.
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How do the temperatures of the
wet-bulb and dry-bulb thermometers compare?
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28.
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Suppose the relative humidity
of the air is 54 percent and the temperature of the dry-bulb thermometer is 16¡C. What is the
temperature of the wet-bulb thermometer?
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29.
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What is the temperature of the
wet-bulb thermometer?
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Modified
True/False
Indicate whether the sentence or statement is true or false. If false, change
the identified word or phrase to make the sentence or statement true.
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30.
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Fluids like air tend to move
toward areas of high pressure. _________________________
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31.
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As air pressure increases, the
column of mercury in a barometer rises. _________________________
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32.
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As altitude decreases, the
density of the air decreases. _________________________
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33.
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Rain or snow usually is
associated with falling air pressure. _________________________
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34.
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The three main types of clouds
are cumulus, stratus, and altos. _________________________
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