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✦ Class 8 · Science
Air Pollution
Did you know a single fog in London once killed thousands?
What this lesson covers
Step by step, in this order.
- 1What do you notice when you step outside your house?
- 2You might see haze, smell exhaust, hear traffic humming.
- 3Cars, factories, and even burning wood release pollutants.
- 4In 1952, a thick smog in London caused over 4,000 deaths.
- 5Pollutants irritate lungs, trigger coughing and asthma attacks.
- 6Try this: light a candle, cover it with a jar, watch it go out.
- 7Great answers. Remember: sources, health impacts, and natural cleaners.
How it looks
A real board, not a video.
This board is from a different Science lesson — yours will look like this. She writes and draws while she explains, and stops to check you followed.
Doubts this lesson clears up
- Why does smog form in cities?
- How do plants help clean the air?
- What are the main pollutants in the air?
- Can we reduce air pollution at home?
- What health effects does air pollution cause?
- When did people first become aware of air pollution?
Give your child a better way to learn Maths & Science.
Interactive. NCERT-aligned. Any time, anywhere.