Water quality

Week: Five

Class: Primary Three

Topic: Water quality

Objectives: At the end of the lesson, pupils should be able to:

1. Explain how water is contaminated.

2. state the dangers of drinking bad water.

3. importance of drinking good water.

4. Explain ways and how to avoid drinking bad water.

Reference material: Samples of sand, Urine, Dust, Chemicals

Content:

Contamination of water: This is when Substances or particles are added to water to make it impure, hazardous, dangerous and undrinkable for human beings.

The danger of drinking bad water

1. It causes vomiting

2. It causes diarrhoea

3. It causes a sick stomach or stomach upset

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