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Eighth Grade (Grade 8) Sun Questions

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Grade 8 Sun
Our solar system contains                                                      .
  1. one older, dimmer star and one younger, brighter star
  2. three very similar stars
  3. several stars spread across the galaxy
  4. one average star
Grade 8 Sun
The Sun is located in a galaxy called                .
  1. Andromeda
  2. Milky Way
  3. Sagittarius
  4. Orion
Grade 8 Sun
The outermost layer of the Sun's atmosphere is the                .
  1. corona
  2. chromosphere
  3. photosphere
  4. convection zone
Grade 8 Sun
Where does the nuclear fusion process occur?
  1. the core
  2. the radiation zone
  3. the convection zone
  4. the Sun's atmosphere
Grade 8 Sun
What stage of stellar evolution is the Sun experiencing at this time?
  1. giant
  2. white dwarf
  3. protostar
  4. main sequence
Grade 8 Sun
The Sun's surface exists in what state of matter?
  1. plasma
  2. solid
  3. liquid
  4. gas
Grade 8 Sun
What is the source of the Sun's energy?
  1. chemical reaction
  2. nuclear fusion
  3. nuclear fission
  4. none of the above
Grade 8 Sun
Huge reddish loops of gases on the Sun are called                .
  1. prominences
  2. solar flares
  3. solar wind
  4. sunspots
Grade 8 Sun
The Sun's internal structure is broken up into what three zones?
  1. the core, the radiative zone, the convective zone
  2. the core, the helium zone, the convective zone
  3. the core, the radiative zone, the hydrogen zone
  4. the core, the helium zone, the hydrogen zone
Grade 8 Sun
What effect does the solar wind have on Earth's magnetic field?
  1. Compasses on Earth stop working.
  2. Earth's magnetosphere is spread out farther on the side of Earth not facing the sun.
  3. The magnetic field on the side facing the Sun is warmer.
  4. Solar wind causes magnetic declination.
Grade 8 Sun
What is the visible portion of the Sun?
  1. transition region
  2. photosphere
  3. chromosphere
  4. corona
Grade 8 Sun
The Sun is composed mainly of                  .
  1. helium
  2. hydrogen
  3. oxygen
  4. none of the above
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