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Ninth Grade (Grade 9) Sun Questions

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Grade 9 Sun
Grade 9 Sun
Which phrase best describes the sun's age in its stellar life cycle?
  1. newborn
  2. young adult
  3. middle aged
  4. end of life
Grade 9 Sun
What is the correct order of the layers of the Sun's atmosphere in order of innermost layer to outermost layer?
  1. corona, photosphere, chromosphere
  2. photosphere, corona, chromosphere
  3. photosphere, chromosphere, corona
  4. chromosphere, photosphere, corona
Grade 9 Sun
Grade 9 Sun
Grade 9 Sun
A sudden and tremendous eruption in the solar chromosphere.
  1. solar flare
  2. solar wind
  3. solar darkening
  4. sunspot
Grade 9 Sun
What lies at the center of our solar system?
  1. the sun
  2. Mars
  3. Earth
  4. the moon
Grade 9 Sun
Galileo’s observation of the motion of sunspots provided evidence for which of the following?
  1. the rotation of the sun
  2. the sun’s chemical composition
  3. the layered structure of the sun
  4. the shape of Earth’s orbit around the sun
Grade 9 Sun
Approximately how old is the Sun?
  1. 450,000 years
  2. 4.5 million years
  3. 4.5 billion years
  4. 4.5 trillion years
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