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🔬 Science - Class 8
Unit 10 · Materials Used in Daily Life

Acid Rain Presentation

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Science and Technology, Class 8

Acid Rain

Acid made inside the cloud · From pH 6 down to pH 3 · Water, plants and heritage

What We Learn Today

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The meaning of acid rain

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The natural and human made sources of the acids

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The effects on water, plants, soil and heritage

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The ways acid rain can be prevented

How Acid Rain Is Made

1
Smoke comes out of factories and vehicles
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Oxides of sulphur and nitrogen rise with the smoke
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Water below turns to vapour and reaches the same place
4
The oxides react chemically with the water particles
5
The acid formed falls to the earth with the rain

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Presenter notes: Ask the class whether they have ever heard that water falling from the sky can be acidic. Tell them that today's lesson is the story of that water.