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5 Written Questions

5 Matching Questions

  1. photosphere
  2. on Earth solar flares can cause
  3. the Earth's atmosphere and magnetic field
  4. slightly less
  5. auroras
  1. a How does the mass of the helium produced by the sun compare with the mass of the hydrogen that goes into the process?
  2. b the glowing of gas molecules in the Earth's atmosphere caused by solar winds
  3. c disruptions of radio, television and telephone signals and electrical power problems
  4. d these usually prevent solar winds from entering our world
  5. e the inner layer of the sun's atmosphere which produces the light

5 Multiple Choice Questions

  1. fusion only occurs in these two conditions
  2. time span over which the number of sunspots varies
  3. the temperature in the core of the sun
  4. areas of gas on the sun which are cooler than areas that surround them
  5. the most powerful gravitational force in the solar system

5 True/False Questions

  1. 99.8% of the mass of the solar system is...in the sun

          

  2. 10 billion yearstime span over which the number of sunspots varies

          

  3. the polesareas of gas on the sun which are cooler than areas that surround them

          

  4. prominencesareas of gas on the sun which are cooler than areas that surround them

          

  5. nuclear fusionwhen several prominences connect, these are produced

          

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