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Ninth Grade (Grade 9) Sun Questions

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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
What do you call the outer and weak layer of the solar atmosphere?
  1. chromosphere
  2. solar flare
  3. solar wind
  4. corona
Grade 9 Sun
The process that makes solar energy is
  1. nuclear power.
  2. nuclear fusion.
  3. nuclear fission.
Grade 9 Sun
Where is most of the Sun's energy produced?
  1. in the corona
  2. in the photosphere
  3. in the core
  4. none of the above
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
A dark spot on the Sun, which is cool by contrast to the surrounding photosphere.
  1. Solar Wind
  2. Solar Flare
  3. Sun Darkening
  4. Sunspot
Grade 9 Sun
Streams of protons and electrons ejected at high speed from the solar corona.
  1. solar flare
  2. solar wind
  3. sunspot
  4. sun darkening
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
About how long ago was our Sun formed?
  1. 4.6 billion years
  2. 4.6 million years
  3. 46 million years
Grade 9 Sun
What is the outermost part of the Sun's atmosphere?
  1. chromosphere
  2. photosphere
  3. corona
  4. core
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
Grade 9 Sun
The Sun is a planet.
  1. True
  2. False
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