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5 Written questions

5 Matching questions

  1. the sun's gravity is so large
  2. sunspots
  3. 10 billion years
  4. the Earth's atmosphere and magnetic field
  5. solar winds
  1. a because its mass is so great
  2. b streams of electrically charged particles coming from the corona
  3. c the length of time it will take for the sun to use up all of its hydrogen
  4. d these usually prevent solar winds from entering our world
  5. e areas of gas on the sun which are cooler than areas that surround them

5 Multiple choice questions

  1. the temperature in the core of the sun
  2. in the sun
  3. the glowing of gas molecules in the Earth's atmosphere caused by solar winds
  4. the process by which the sun generates energy
  5. where solar winds can enter the Earth's atmosphere

5 True/False questions

  1. extremely high pressure and temperaturefusion only occurs in these two conditions


  2. heat and lightThese are the byproducts of the sun's nuclear fusion.


  3. (H) hydrogenthe element the sun uses to generate energy


  4. (He) heliumwhere solar winds can enter the Earth's atmosphere


  5. slightly lessHow does the mass of the helium produced by the sun compare with the mass of the hydrogen that goes into the process?