Grade 3- Water

Ways in which water can be contaminated

• Water is used both at home and in school.

• We use water to cool ourselves.

• We also use water to clean ourselves and clean items at home.

• Water that is contaminated is not good for drinking.

• Contaminated water is unhealthy and spreads diseases.
  

Water is contaminated in the following ways

1. Dung and urine from animals.

2. Washing and bathing in water sources.

3. People urinating and defecating in water.

4. People washing vehicles in water.

5. Soil erosion.

Soil erosion

Washing and bathing in water sources

People urinating and defecating in water.

Washing and bathing in water sources.

Dung and urine from animals

Human activities that contaminate water include:

1. Washing clothes.

2. Bathing.

3. Urinating.

4. Swimming.

5. Animals drinking direct from water sources.

6. Excreting in water sources.

Activities we can use to make water cleans.

We can make water safe for drinking by the following methods.

Boiling-it kills germs

Material required to filter water.

A piece of cloth.

A sieve

Improvised water filters

Activities at home where water is used.

1. Washing clothes.

2. Washing hands.

3. Washing dishes.

4. Washing vegetables and fruits.

5. Bathing.

6. Watering animals.

7. Watering crops (irrigation)

Ways water can be reused

We can reuse water in the following ways:

1. Washing toilets.

2. Watering plants.

3. Sprinkling on earthen surfaces to reduce dust.

4. Cleaning outdoor surfaces