Презентация к уроку английского языка 8 класс . Экология. "Greenhouse Effect"

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  GREENHOUSE EFFECT
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  The greenhouse effect is when the temperature rises because the sun’s
  heat and light is trapped in the earth’s atmosphere.
  
  
  WHAT IS
  GREENHOUSE
  EFFECT?
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  WHAT ARE
  GREENHOUSE
  GASES?
  Greenhouse gases are gases in the
  Earth’s atmosphere that collect heat
  and light from the sun.
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  СO2
  CH4
  NO2
  CFC
  

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  Solar radiation passes through the clear
  atmosphere.
  Most radiation is absorbed by the Earth’s
  surface and warms it.
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  If there gets to be too many gases,
  the earth can get unusually warmer and many plants, animals and people
  will die.
  
  What is global
  warming doing
  to the
  environment?
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  Without greenhouse effect the earth
  would be freezing or ,on the other
  hand ,it would be burning hot.
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  Global warning make the sea level become
  higher.
  Water covers many low land islands.
  Animals lose a source of food in their
  habitat. They die.
  
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  Global warning destroy forests, kill animals .
  In the forests some plant and tree leaves
  can be so dry that they catch on fire.
  
  
  
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  What Causes of
  Global
  Warming?
  Electrical pollution
  Using a hair
  dryer
  Using an air
  conditioner
  Heating a meal in
  the microwave
  Using a washing
  machine
  Electrical nets
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  Using sprays
  Watching TV
  Listening to CDs
  Playing computer games
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  Water and Oil
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  What Must We
  Do to Stop
  Global Warming?
  1.Recycle
  2.Plant trees
  3.Turn off television,
  computers and
  lights when we
  leave home
  4.Walk instead of driving a car
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