The Sun's Energy and Earth's Systems

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Questions and Answers

What is the primary energy source that drives the water cycle?

  • Sun (correct)
  • Wind
  • Clouds
  • Rain

How does the sun impact the movement of ocean currents?

  • By causing earthquakes
  • By creating clouds
  • By creating rainbows
  • By generating wind (correct)

What percentage of Earth's surface is covered with water?

  • Nearly 25%
  • Approximately 50%
  • About 75% (correct)
  • Over 90%

What creates rivers of flowing water known as ocean currents?

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

Where do ocean currents flow mainly from and to?

<p>From the poles to the equator and back (A)</p> Signup and view all the answers

What causes warm water to rise at the equator in the ocean?

<p>Intense sunlight from the sun (A)</p> Signup and view all the answers

'Like the convection currents in atmospheric air' - how is this statement related to ocean water movement?

<p>It refers to the way water cycles in a convection current (B)</p> Signup and view all the answers

What helps power the deep ocean water circulation according to the text?

<p>Sudden sinking of cold, dense water near the poles (A)</p> Signup and view all the answers

What do red arrows on the map represent according to the text?

<p>Warm water moving away from the equator (D)</p> Signup and view all the answers

What is the primary energy source that impacts the flow of ocean currents?

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

What causes warm water to rise at the equator in the ocean?

<p>Convection from the intense sun (D)</p> Signup and view all the answers

Which type of water currents are mainly moved by wind according to the text?

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

What is the main reason for the movement of water along with wind creating rivers of flowing water known as ocean currents?

<p>Energy from the sun (D)</p> Signup and view all the answers

What helps power the deep ocean water circulation mentioned in the text?

<p>Sudden sinking of cold, dense water near the poles (B)</p> Signup and view all the answers

Why does cooler water move in to replace warmer water at the equator in the ocean?

<p>To maintain a balance in ocean temperatures (A)</p> Signup and view all the answers

What type of ocean currents are shown on the map by red arrows according to the text?

<p>Warm water moving away from the equator (D)</p> Signup and view all the answers

What is responsible for creating convection currents in both atmospheric air and ocean water based on the text?

<p>$Convection$ from temperature differences (A)</p> Signup and view all the answers

'Nearly 75% of Earth is covered with water' - how is this related to ocean currents according to the text?

<p>$Water$ facilitating movement of ocean currents across vast distances (B)</p> Signup and view all the answers

'Ocean surface currents are indicated on the map by arrows' - what do blue arrows represent according to the text?

<p>Cold surface water moving away from the poles (A)</p> Signup and view all the answers

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