Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
1.
|
In
general, atmospheric pressure is greatest near Earth's surface and ____ as you move upward away from
sea level. a. | decreases | c. | stays the
same | b. | increases | d. | doubles | | | | |
|
|
|
2.
|
The
____ is the source of all energy in our atmosphere. a. | Sun | c. | Moon | b. | water cycle | d. | Coriolis effect | | | | |
|
|
|
3.
|
The
____ is caused by the Earth's rotation. a. | jet stream | c. | sea breeze | b. | Coriolis
effect | d. | land
breeze | | | | |
|
|
|
4.
|
Temperatures in the thermosphere and exosphere are ____. a. | hot and
cold | c. | very
cold | b. | constantly
changing | d. | very
warm | | | | |
|
|
|
5.
|
The
transfer of energy that occurs when molecules bump into one another is called ____. a. | radiation | c. | convection | b. | conduction | d. | condensation | | | | |
|
|
|
6.
|
The
____ are responsible for the movement of much of the weather across the United States and
Canada. a. | prevailing
westerlies | c. | trade
winds | b. | polar easterlies | d. | doldrums | | | | |
|
|
|
7.
|
The
air above the ____ rises because it has low density and low pressure. a. | north
pole | c. | equator | b. | south pole | d. | arctic circle | | | | |
|
|
|
8.
|
Cold
air has more molecules occupying a cubic centimeter of space than warm air; therefore, it has ____
pressure. a. | higher | c. | the
same | b. | lower | d. | half
the | | | | |
|
|
|
9.
|
When
cool, dense air from over the water flows inland, it's called a ____. a. | land
breeze | c. | jet
stream | b. | polar easterly | d. | sea breeze | | | | |
|
|
|
10.
|
Not
all areas on Earth's surface receive the same amount of radiation because Earth's surface
____. a. | is
flat | c. | has continents
on it | b. | is curved | d. | is mostly water | | | | |
|
|
|
11.
|
Air
pressure is greatest ____ because there are more molecules of air pushing down from
above. a. | at the top of
the mountain | c. | in the
troposphere | b. | at sea level | d. | in the exosphere | | | | |
|
|
|
12.
|
A
violent, whirling wind that moves in a narrow path over land is a ____. a. | thunderstorm | c. | hurricane | b. | tornado | d. | front | | | | |
|
|
|
13.
|
____
humidity is a measure of the amount of water vapor that air is holding compared to the amount needed
for saturation at a specific temperature. a. | Total | c. | Relative | b. | Partial | d. | none of the
above | | | | |
|
|
|
14.
|
The
temperature at which air is saturated and condensation forms is the ____. a. | dew
point | c. | wind
point | b. | rain point | d. | relative humidity | | | | |
|
|
|
15.
|
High,
thin, white, feathery clouds containing ice crystals are usually associated with fair weather, but
they can also indicate approaching storms. These clouds are called ____ clouds. a. | cumulus | c. | cirrus | b. | stratus | d. | nimbus | | | | |
|
|
|
16.
|
The
interaction of air, water, and ____ causes weather. a. | the
Sun | c. | land | b. | humidity | d. | wind | | | | |
|
|
|
17.
|
Masses of puffy, white clouds, often with flat bases, that form when air currents rise
are called ____ clouds. a. | stratus | c. | nimbus | b. | cumulus | d. | cirrus | | | | |
|
|
|
18.
|
Violent storms generally form along ____. a. | occluded
fronts | c. | warm
fronts | b. | cold fronts | d. | stationary fronts | | | | |
|
|
|
19.
|
To
keep track of high-and low-pressure areas, weather maps are drawn with lines connecting points of
equal atmospheric pressure. These lines are called ____. a. | isotherms | c. | fronts | b. | equibars | d. | isobars | | | | |
|
|
|
20.
|
____
forms when the air temperature is below freezing and water vapor changes directly to
solid. a. | Rain | c. | Sleet | b. | Snow | d. | Hail | | | | |
|
|
|
21.
|
Fog
is a ____ cloud that forms near the ground. a. | cumulus | c. | stratus | b. | cirrus | d. | cirrocumulus | | | | |
|
|
|
22.
|
Areas
of low-pressure usually have ____. a. | cloudy weather | c. | descending air | b. | good
weather | d. | none of the
above | | | | |
|
|
|
23.
|
High
pressure means good weather because ____. a. | the air masses rise | b. | the air masses
sink, making it difficult for clouds to form | c. | clouds are blown
away by wind | d. | none of the above | | |
|
|
|
24.
|
____
can be produced by thunderstorms. a. | Stationary fronts | c. | Volcanoes | b. | Tornadoes | d. | Tsunamis | | | | |
|
|
|
25.
|
A(n)
____ shows weather conditions at one specific location. a. | isobar | c. | cloud
map | b. | isotherm | d. | station
model | | | | |
|
Matching
|
|
|
Match each item with the correct statement below. a. | conduction | e. | ozone | b. | convection | f. | radiation | c. | nitrogen | g. | smog | d. | oxygen | h. | water vapor | | | | |
|
<