Atmospheric Circulation Cells Quiz
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Questions and Answers

Which atmospheric circulation cell is characterized by a lack of winds?

  • Ferrel cell
  • Doldrums (correct)
  • Polar cell
  • Hadley cell
  • In the Northern Hemisphere, the winds associated with a high-pressure system blow in which direction?

  • counterclockwise outward from the center
  • clockwise toward the center (correct)
  • counterclockwise toward the center
  • clockwise outward from the center
  • Who invented the mercurial barometer?

  • Torricelli (correct)
  • Galileo
  • Watt
  • Newton
  • What is the name of the phenomenon where ocean currents along the equatorial Pacific Ocean reverse, leading to global economic impacts?

    <p>El Nino</p> Signup and view all the answers

    What is the ultimate energy source for most wind?

    <p>solar radiation</p> Signup and view all the answers

    Which instrument is used to measure air pressure?

    <p>none of the above</p> Signup and view all the answers

    In the Northern Hemisphere, the winds associated with a low-pressure system blow in which direction?

    <p>counterclockwise toward the center</p> Signup and view all the answers

    What is the force exerted by the weight of the air above called?

    <p>air pressure</p> Signup and view all the answers

    What is the standard sea level pressure in millibars?

    <p>1013</p> Signup and view all the answers

    What type of breeze is formed when cooler air over water flows toward warmer land?

    <p>Sea breeze</p> Signup and view all the answers

    When is a sea breeze likely to originate?

    <p>Day, flowing toward the land</p> Signup and view all the answers

    What is the zone of subsiding dry air that encircles the globe near 30° latitude?

    <p>Subtropical high</p> Signup and view all the answers

    Which of the following is NOT a factor in controlling wind?

    <p>Ocean current circulation</p> Signup and view all the answers

    What is the term for lines on a weather map connecting places of equal air pressure?

    <p>Isobars</p> Signup and view all the answers

    In the Southern Hemisphere, winds associated with a low-pressure system blow:

    <p>Counterclockwise toward the center</p> Signup and view all the answers

    What is the most common instrument used to determine wind direction?

    <p>Wind vane</p> Signup and view all the answers

    Fast-moving currents of air found near the top of the troposphere are called:

    <p>Jet streams</p> Signup and view all the answers

    Most of the United States is situated in which zone of prevailing winds?

    <p>Westerlies</p> Signup and view all the answers

    Study Notes

    Atmospheric Circulation Cells

    • Hadley cell, Ferrel cell, and Polar cell are atmospheric circulation cells.
    • The Doldrums are not an atmospheric circulation cell.

    Wind Patterns

    • In the Northern Hemisphere, winds associated with a low-pressure system blow counterclockwise toward the center.
    • In the Northern Hemisphere, winds associated with a high-pressure system blow clockwise toward the center.
    • In the Southern Hemisphere, winds associated with a low-pressure system blow clockwise toward the center.

    Measuring Air Pressure

    • The mercurial barometer was invented by Torricelli.
    • Mercurial barometer, aneroid, and barograph are instruments used to measure air pressure.
    • Anemometer is not used to measure air pressure, but to measure wind speed and direction.

    El Niño

    • El Niño refers to episodes of ocean warming due to a reversal of ocean currents along the equatorial Pacific Ocean.

    Energy Source for Wind

    • Solar radiation is the ultimate energy source for most wind.

    Air Pressure

    • The force exerted by the weight of the air above is called air pressure.
    • Standard sea level pressure in millibars is 1013.

    Land and Sea Breeze

    • A sea breeze is the result of cooler air over the water (high pressure) flowing toward the warmer land (low pressure).
    • A sea breeze usually originates during the day and flows toward the land.

    Weather Forecasting

    • If "fair" weather is approaching, the pressure tendency would probably be rising.
    • If "stormy" weather is approaching, the pressure tendency would probably be falling.

    Factors Controlling Wind

    • The Coriolis effect, pressure-gradient force, and friction are factors that control wind.
    • Ocean current circulation is not a direct factor in controlling wind.

    Global Wind Patterns

    • The trade winds are dependable surface winds of the Earth centered about 15° north and south latitudes.
    • The zone of subsiding dry air which encircles the globe near 30° latitude, north and south, is known as the subtropical high.
    • The Intertropical Convergence Zone (ITCZ) is the equatorial low where surface winds of two Hadley cells converge.

    Isobars

    • Lines on a weather map connecting places of equal air pressure are called isobars.

    Jet Streams

    • Fast moving currents of air found near the top of the troposphere are called jet streams.

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    Description

    Test your knowledge on atmospheric circulation cells and wind patterns in low-pressure systems. Questions cover Hadley cells, Ferrel cells, and more.

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