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Science T2W5 Revision

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    Science T2W5 Revision
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  • The ways we use water
    Student's answer
  •  25
  • A war is a man-made disaster or a natural disaster?
    a man-made disaster
  •  15
  • We often throw away our old books that could be __________ (reused / recycled)
    reused
  •  15
  • All of us need energy. We also make lots of _________.
    waste
  •  20
  • People affect the environment in good and bad ways. True or False?
    True
  •  15
  • Most of the water on Earth is salty. True or False?
    True
  •  15
  • We need ______ ______ water to drink.
    clean fresh
  •  25
  • Rivers often begin in the mountains where the water is polluted. True or False?
    False
  •  15
  • People who drink _______ (pollute / polluted / pollution ) water may get sick and die.
    polluted
  •  20
  • Water is im________ to humans, plants and animals.
    important
  •  15
  • Why should we make compost heap?
    Ss' answer
  •  25
  • _____ - ________ use the dead plant materials as food.
    Micro-organisms
  •  20
  • As the plant materials __ __ __, it turns into compost.
    rot
  •  20
  • What could be recycled?
    Ss answer
  •  20
  • What could be reused?
    Ss answer
  •  20
  • As you know, a lot of waste is b________. This pollutes the soil and the ground water.
    buried
  •  20