Letโs take some pictures of the factory and the lake to <illustrate> our presentation.
illustrate (v): minh hoแบก
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15
If the drinking water is _____, an outbreak of cholera may happen. (treat)
untreated (adj): chฦฐa qua xแปญ lรฝ
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15
The sight of too many telephone poles, advertising billboards, overhead power lines, or shop signs may cause _______ pollution.
visual (adj): thuแปc vแป thแป giรกc
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15
Chemical waste can <cause> water pollution. In other words, chemical waster is one of the <causes> of water pollution.
cause (v, n): dแบซn ฤแบฟn, nguyรชn do
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15
"Herbicides in water can kill aquatic plants and cause further <damage> to the environment." What word form is the word "damage"?
It's a noun. "Damage" is also a verb. Its adjective form is "damaged".
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15
Make a sentence using "litter".
.
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15
In many poor nations, there are frequent outbreaks of <cholera> and other diseases because of people drinking untreated water.
cholera (n): tแบฃ
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15
The <algae> will poison the fish.
algae (n): tแบฃo
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thief
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gift
Win 25 points!
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gift
Win 5 points!
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banana
Go to last place!
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15
A unit used to <measure> the loudness of sounds is a decibel (dB).
measure (v): ฤo
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15
If the factory continues d _ _ _ _ _ _ poison into the lake, all the fi sh and other aquatic animals will die.
dumping โ dump (v): vแปฉt, bแป
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15
What's this?
It's an earplug.
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lifesaver
Give 20 points!
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star
Double points!
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fairy
Take points!
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baam
Lose 5 points!
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15
Can you name some point source and non-point source pollutants?
PS pollutants: industrial waste from factories, sewage from households, pesticides and herbicides from farms, etc. NPS pollutants: storm water, atmosphere, etc.
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15
The word โpermanentlyโ is similar to ______. A. temporarily B. partially C. forever D. rarely
C. forever โ permanent (adj): vฤฉnh viแป n; permanently (adv)