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WorksheetsWater and Air Pollution
Total questions: 10
Worksheet time: 5mins
Which method can be used to purify water?
Boiling
Distillation
Acid rain
None of the above
The ozone layer is damaged by
CFCs
Increase in greenhouse gases
Increased global temperatures
Sulfuric and nitric acids
A rapid growth of algae could lead to:
A reduction of oxygen levels in the water
Water that can support more life
An increase in oxygen levels
We can prevent water pollution by:
Reducing the use of plastic
Proper disposal of chemicals
Keeping the use of chemical fertilizers in check
All of the above
TRUE or FALSE: Many people on Earth do not have access to clean water.
TRUE
FALSE
Oil forms a layer on the water surface and prevents _________________ from entering the water.
air
straws
fish
litter
Runoffs from ____________________________ from nearby farms is a source of water pollution.
rain
industrial wastes
sewage
fertilisers and pesticides
True or False.
Dust particles and gaseous chemicals from industrial wastes can cause air pollution.
True
False
