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[Grade 8 - New] Unit 7 - Pollution

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  • The polluted water makes the fish _____.
    die
    dead
    dying
    death
  • A unit used to _____ the loudness of sounds is a decibel (dB).
    listen
    watch
    measure
    count
  • The _____ chemical waste is dumped into the river. (poison)
    poison
    poisonous
    poisonated
    poisoning
  • What's this?
    It's a billboard.
  • What's the difference between "affect" and "effect"?
    "Affect" is a verb, "effect" is a noun.
  • When _____ pollution happens, the water temperature in streams, rivers, lakes, or oceans changes.
    thermal
  • The word ‘permanently’ is similar to ______.
    sometimes
    rarely
    never
    forever
  • When radiation goes into the land, air or water, it is called _____ pollution.
    radioactive
  • Water pollution will harm the _____ animals.
    air
    aquatic
    water
    waterous
  • Make a sentence using "litter".
    .
  • "Herbicides in water can kill aquatic plants and cause further ____ to the environment."
    pain
    damage
    painful
    damaged
  • The polluted water causes the _____ of the fish.
    die
    dying
    death
    dead
  • If you experience noise pollution for a long time, you may get hearing _____. It means that you lose the ability to hear.
    lossing
    loss
    lost
    losed
  • The sight of too many telephone poles, advertising billboards, overhead power lines, or shop signs may cause _______ pollution.
    visual
  • What's this?
    It's an earplug.
  • The water is polluted, so the fish are _____.
    death
    done
    dead
    die
  • What's groundwater?
    It's the water beneath the Earth’s surface.