Understanding Jet Streams
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Questions and Answers

Where are jet streams located in Earth's atmosphere?

  • Mesosphere
  • Stratosphere
  • Thermosphere
  • Tropopause (correct)

In which direction do jet streams usually blow?

  • Northward
  • Westward
  • Southward
  • Eastward (correct)

What contributes to the strength of jet streams?

  • Temperature differences (correct)
  • Latitude changes
  • Air pressure changes
  • Humidity levels

What speeds can jet streams reach in the atmosphere?

<p>140 mph (225 kph) (A)</p> Signup and view all the answers

When are jet streams generally faster?

<p>Winter months (B)</p> Signup and view all the answers

How do jet streams move warm and cool air around Earth?

<p>By strong, fast-moving currents (C)</p> Signup and view all the answers

What analogy is used to help understand the nature of jet streams?

<p>Water current in a river (D)</p> Signup and view all the answers

What causes differences in air pressure on Earth?

<p>The movement of warm and cool air (C)</p> Signup and view all the answers

What is the main reason for the creation of a warm air current on Earth?

<p>Expansion and lightness of warm air (C)</p> Signup and view all the answers

Why does cool air push against warm air to create a cool air current?

<p>To replace the warm air (A)</p> Signup and view all the answers

What factor contributes to the Coriolis force causing air deflection in different hemispheres?

<p>Earth's rotation speed (D)</p> Signup and view all the answers

Which latitude typically marks the position of the subtropical jet stream?

<p>-30 degrees (B)</p> Signup and view all the answers

What differentiates the polar front jet stream from other jet streams?

<p>The presence of both warm and cold air masses (A)</p> Signup and view all the answers

During which season does the polar jet stream dip further south?

<p>Winter (B)</p> Signup and view all the answers

Which hemisphere experiences faster movement of the polar jet stream in general?

<p>Northern Hemisphere (A)</p> Signup and view all the answers

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