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🔬 Science - Class 8
Unit 7 · Energy in Daily Life

Noise Pollution Presentation

ScienceSubject
8 minEstimated read
Slide 1 of 4
Science and Technology, Class 8

Noise Pollution

Causes · Effects · Ways of reducing it

What We Learn Today

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The meaning of noise pollution and of noise

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Five causes of noise pollution

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The effects on health and on hearing

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Four ways of reducing it

Definition
When Does Sound Become Pollution?
LOUD
Loud sound fills the environment.
HARM
It does harm to human beings and other living things.
NEEDLESS
Producing sound nobody needs is itself noise pollution.

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Presenter notes: Ask the class how many different sounds can be heard outside this room right now. Give them two silent minutes to count, then ask which of those sounds are wanted and which are not.