The Sun's Energy and Earth's Systems
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Questions and Answers

What process transforms light energy from the sun into thermal energy or heat on Earth?

  • Nuclear fusion
  • Absorption (correct)
  • Photosynthesis
  • Convection

    • What term is used to describe the circular path that molecules take during heat transfer?

  • Convection current (correct)
  • Radiation
  • Nuclear fission
  • Thermal equilibrium

    • What do warm air and water do when they gain energy and move more quickly due to heating?

  • They evaporate
  • They rise (correct)
  • They sink
  • They freeze

    • What is the driving force behind winds, ocean currents, and the water cycle on Earth?

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

    Which meteorological phenomena are visible in satellite photographs due to the energy from the sun?

    <p>Evaporation and clouds</p> Signup and view all the answers

    What is the primary driver of the water cycle?

    <p>The energy from the Sun</p> Signup and view all the answers

    How does the Sun cause wind?

    <p>By creating areas of high and low pressure through unequal heating of the Earth's surface</p> Signup and view all the answers

    What is the role of the equator in the global wind system?

    <p>The equator receives the most direct sunlight, causing air to rise and create low pressure</p> Signup and view all the answers

    What is the primary mechanism by which water vapor enters the atmosphere?

    <p>Evaporation from the Earth's surface</p> Signup and view all the answers

    How does the water cycle maintain a constant supply of fresh water?

    <p>By continuously recycling the same water through evaporation and precipitation</p> Signup and view all the answers

    What is the primary energy source that drives the water cycle and ocean currents?

    <p>The sun's heat and radiation</p> Signup and view all the answers

    How do ocean currents generally flow?

    <p>From the equator to the poles and back again</p> Signup and view all the answers

    What causes the surface currents in the oceans?

    <p>Wind blowing across the ocean's surface</p> Signup and view all the answers

    What is the primary cause of the convection currents in the oceans?

    <p>The warming of water by the sun at the equator</p> Signup and view all the answers

    According to the map, what do the red arrows represent?

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

    What is the term used to describe the circular path that molecules take during heat transfer?

    <p>Convection path</p> Signup and view all the answers

    What is the primary role of the equator in the atmospheric system?

    <p>Generating global winds</p> Signup and view all the answers

    What process is responsible for transforming light energy from the sun into thermal energy or heat on Earth?

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

    How are ocean surface currents primarily powered?

    <p>By the heating and cooling of water molecules due to solar energy</p> Signup and view all the answers

    What atmospheric phenomena are visible in satellite photographs due to the energy from the sun?

    <p>Precipitation patterns</p> Signup and view all the answers

    What is the main impact of the sun on ocean currents?

    <p>Directly powering the wind that moves water across the oceans</p> Signup and view all the answers

    How are warm water currents represented on the map?

    <p>By red arrows moving away from the equator</p> Signup and view all the answers

    Why does warm water rise at the equator in ocean currents?

    <p>To create a cycle with cooler water replacing it</p> Signup and view all the answers

    How do surface currents in the ocean mainly move according to the text?

    <p>From the poles towards the equator</p> Signup and view all the answers

    What is one way in which the sun indirectly affects deep ocean water circulation?

    <p>By sinking cold, dense water near the poles</p> Signup and view all the answers

    What is the primary cause of wind?

    <p>Unequal heating of Earth's surface</p> Signup and view all the answers

    How do clouds contribute to the water cycle?

    <p>By releasing water vapor</p> Signup and view all the answers

    Why does warm air rise in Earth's atmosphere?

    <p>To form convection currents</p> Signup and view all the answers

    What is the role of sunlight in the creation of precipitation?

    <p>Causing cloud droplets to condense</p> Signup and view all the answers

    Why does water in the oceans evaporate?

    <p>Because it's heated by sunlight</p> Signup and view all the answers

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