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5 Written questions

5 Matching questions

  1. the Earth's atmosphere and magnetic field
  2. the sun's gravity is so large
  3. solar flares increase
  4. extremely high pressure and temperature
  5. (He) helium
  1. a the product of the sun's fusion
  2. b the number of charged particles in solar winds
  3. c because its mass is so great
  4. d fusion only occurs in these two conditions
  5. e these usually prevent solar winds from entering our world

5 Multiple choice questions

  1. the glowing of gas molecules in the Earth's atmosphere caused by solar winds
  2. areas of gas on the sun which are cooler than areas that surround them
  3. reddish loops of gas which link sunspots
  4. the temperature in the core of the sun
  5. the element the sun uses to generate energy

5 True/False questions

  1. coronathe glowing of gas molecules in the Earth's atmosphere caused by solar winds

          

  2. the sun's gravitythe most powerful gravitational force in the solar system

          

  3. 99.8% of the mass of the solar system is...in the sun

          

  4. solar windsstreams of electrically charged particles coming from the corona

          

  5. on Earth solar flares can causethe number of charged particles in solar winds

          

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