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Winds and Weather

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Compared to the poles, the air at the equator is warmer and
a.
less dense, creating an area of high pressure as it rises.
b.
less dense, creating an area of low pressure as it rises.
c.
more dense, creating an area of low pressure as it rises.
d.
more dense, creating an area of high pressure as it rises.
 

 2. 

Near the Earth's surface, air is heated by
a.
conduction.
c.
ozone.
b.
solar winds.
d.
convection.
 

 3. 

Air in the atmosphere has pressure because
a.
the stratosphere is thick.
b.
air has mass.
c.
wind moves the air.
d.
temperature warms the air.
 

 4. 

Instruments used to measure air pressure are called
a.
thermometers.
b.
hygrometers.
c.
hydrometers.
d.
barometers.
 

 5. 

How does most thermal energy or heat move around in the atmosphere?
a.
conduction
c.
advection
b.
convection
d.
radiation
 

 6. 

Most of the United States is located in which prevailing wind belt; it brings us our weather?
a.
westerlies
c.
southeast trade winds
b.
northeast trade winds
d.
doldrums
 

 7. 

Wind occurs because air tends to move from regions of higher to lower
a.
latitude.
c.
nitrogen levels.
b.
pressure.
d.
humidity.
 

 8. 

Wind is created by differences in
a.
air temperature.
c.
air pressure.
b.
humidity.
d.
altitude.
 

 9. 

Narrow belts of high-speed winds that blow in the upper troposphere and lower stratosphere and sometimes move winter storms, are known as
a.
trade winds.
c.
polar easterlies.
b.
westerlies.
d.
jet streams.
 

 10. 

At the poles, cold air
a.
rises.
c.
freezes.
b.
warms.
d.
sinks.
 

 11. 

Which of the following statements describing a sea breeze is true?
a.
Air over the water is cooler, which creates an area of high pressure.
b.
Air over the water is cooler, which creates an area of low pressure.
c.
Air over the water is warmer, which creates an area of low pressure.
d.
Air over the water is warmer, which creates an area of high pressure.
 

 12. 

Which of the following statements describing a land breeze is true?
a.
Air over the water is cooler, which creates an area of high pressure.
b.
Air over the water is cooler, which creates an area of low pressure.
c.
Air over the water is warmer, which creates an area of low pressure.
d.
Air over the water is warmer, which creates an area of high pressure.
 

 13. 

The Earth receives energy from the sun in the form of
a.
ozone.
c.
nitrogen.
b.
radiation.
d.
carbon dioxide.
 

 14. 

   At the seashore late in the afternoon on a hot, sunny day, a person often feels a strong breeze coming in from the ocean. Which of the following is the reason for the breeze?  
a.
  The pounding waves generate air currents.  
b.
  The warm air over the ocean rushes in to replace the cool air that rises over the land.  
c.
  The heavy, cool air over the ocean rushes in to replace the warm air that rises over the land.  
d.
  There are no clouds to block the wind coming in from the ocean.  
 

 15. 

   The jet stream has a great impact on changing weather conditions in an area because it  
a.
  does not change with the seasons.  
b.
  keeps the atmosphere supplied with moisture.  
c.
 it separates cold arctic air masses from warm tropical air masses
d.
  speeds up evaporation following precipitation.  
 

 16. 

   Nights tend to be cooler than days because  
a.
  winds blow more strongly at night.  
b.
  the part of Earth in darkness receives less energy.  
c.
  cooler air in the upper atmosphere drops closer to Earth's surface.  
d.
  water vapor condenses when it is cooled.  
 

 17. 

   Which diagram best represents the movement of air according to the surface temperature conditions shown?  
a.
  mc017-1.jpg
c.
  mc017-3.jpg
b.
  mc017-2.jpg
d.
  mc017-4.jpg
 



 
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