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5 Written questions

5 Matching questions

  1. troposphere
  2. Faster
  3. Oxygen
  4. Less dense
  5. pressure
  1. a Warm air rises. Is this because warm air is more or less dense than cold air.
  2. b Do the molecules in warm air move faster or slower than molecules in cold air?
  3. c gas that makes up 21% of the atmosphere
  4. d the force pressing on an area
  5. e the layer of atmosphere where weather occurs

5 Multiple choice questions

  1. The main characteristic scientists use to determine the layers of the atmosphere.
  2. any instrument that measures changes in air pressure
  3. The layer of gas that surrounds the earth.
  4. A hole in the ozone layer can cause skin cancer, cataracts, and this
  5. As you move up in the troposphere, this happens to the temperature of the air

5 True/False questions

  1. TroposphereOzone in this layer IS a pollutant


  2. Thermospherethe layer of atmosphere where weather occurs


  3. FalseTrue or False. Air pollution only affects the area around the source of pollution.


  4. air pressurethe force pressing on an area


  5. Air PollutionThis term affects people's lungs, eyes, and nose.


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