The Sun
24 minutes ago
ouztsn
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10 QuestionsShow answers
  • Question 1
    30 seconds
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    Q.

    The Sun is our star made mostly of

    answer choices

    helium

    hydrogen and helium

    hydrogen

    helium, hydrogen, and gold

  • Question 2
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    Q.

    Sunspots are

    answer choices

    large flares of energy that loop back to the sun's surface.

    magnetic areas on the sun's surface that appear darker because they are a lower temperature than surrounding areas.

    bursts of energy that flash off the sun's surface.

  • Question 3
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    Q.

    corona

    answer choices

    outermost surface of the sun emitting light we see; outermost layer of sun's atmosphere visible only to us during solar eclipse

    visible layer of the sun emitting light we see; lowest layer of sun's atmosphere

    hottest part of the sun; produces energy through nuclear fusion

  • Question 4
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    Q.

    Solar flares are

    answer choices

    large flares of energy that loop back to the sun's surface.

    areas on the sun's surface that appear darker because they are a lower temperature than surrounding areas.

    bursts of energy that flash off the sun's surface.

  • Question 5
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    Q.

    photosphere

    answer choices

    outermost surface of the sun emitting light we see; outermost layer of sun's atmosphere visible only to us during solar eclipse

    visible layer of the sun emitting light we see; lowest layer of sun's atmosphere

    hottest part of the sun; produces energy through nuclear fusion

  • Question 6
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    Q.

    solar wind

    answer choices

    occurs when corona sends out electrically charged particles

    occurs when photosphere sends out electrically charged particles

    occurs when core sends out electrically charged particles

  • Question 7
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    Q.

    Prominences are

    answer choices

    large flares of energy that loop back to the sun's surface.

    areas on the sun's surface that appear darker because they are a lower temperature than surrounding areas.

    bursts of energy that flash off the sun's surface.

  • Question 8
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    Q.

    Solar flares

    answer choices

    cause Earth's auroras at the poles.

    can cause damage to the ISS and satellites.

    increase charged particles in gases creating magnetic storms in Earth's atmosphere.

    can disrupt radio, telephone and television signals.

  • Question 9
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    Q.

    Scientists sun spots to

    answer choices

    learn more about the formation of Earth.

    learn more about the formation of the solar system.

    learn how changes in solar activity affect Earth.

    learn how much longer the Sun will exist.

  • Question 10
    30 seconds
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    Q.

    Prominences

    answer choices

    cause Earth's auroras at the poles.

    can cause damage to the ISS and satellites.

    increase charged particles in gases creating magnetic storms in Earth's atmosphere.

    can disrupt radio, telephone and television signals.

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