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The advantages and disadvantages of sources of e ...

  •  English    16     Public
    Students have to identify the plus point and as well as minus point of these sources of energy which learnt in Unit 11
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  • Oil, coal and natural gas are infinite. People around the world can use them for more billion years
    No
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  • The sun, water, and the wind are other alternative sources of energy.
    Yes
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  • In the central of Vietnam, we can see a variety of windmills.
    Yes
  •  15
  • The sun release a very little of energy everyday.
    No
  •  15
  • In the future, alternative sources of energy may replace fossil fuels.
    Yes/ May be
  •  15
  • If the wind does not blow, there is wind energy.
    No
  •  15
  • The solar energy is convenient because this can be changed into electricity.
    Yes
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  • Water power gives energy without polution.
    Yes
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  • Water power is inexpensive, so they are used a lot. For example, there are a lot of hydroelectricity in Vietnam.
    Yes
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  • The wind can't turn windmills and move sailboats.
    No
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  • Solar panels on the roofs of houses may not create enough energy to heat or cool an entire house
    No
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  • Solar energy is not only plentiful and infinite but also clean and safe.
    Yes
  •  15
  • Because power demand is increasing very rapidly, fossil fuels will be exhausted within a relatively short time.
    Yes
  •  15
  • geothermal heat does not come from deep inside the earth.
    No
  •  15
  • Geothermal heat is available only in a few places in the world.
    Yes
  •  15
  • People must develop and use alternative sources of energy for human beings' needs in the future.
    Yes
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