Free practice on Pollution for Class 3, following the Cameroon primary school curriculum (English subsystem). Every answer is explained, so a parent who is not sure of the answer can still help.
Waste that rots, like banana peels, is called organic waste. Waste that does not rot, like plastic bottles, is called inorganic waste. Separating them makes them easier to deal with.
Organic — banana peels, leaves vs Inorganic — plastic, metal cans
Smoke from burning refuse makes the air dirty. This is called air pollution. Separating and disposing of waste properly, instead of burning it, keeps our air cleaner.
🏭 Smoke polluting the air
Smoke from burning refuse is an example of:
Answer: A. air pollution
Rubbish like plastic bottles and food peels together is called:
Answer: B. organic and inorganic waste
Which of these is organic waste?
Answer: C. Banana peels
Which of these is inorganic waste?
Answer: D. A plastic bag
Separating waste before throwing it away helps to:
Answer: A. make recycling and disposal easier
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