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Chapter-22 WATER

A clear liquid, without colour, smell and taste.

RAIN

Sources of Fresh Water are :-

POND

RIVER

Sources of water

LAKE

Sources of Ground water are :-

Hand pump

Tube well

Sources of Ground water :-

Well

Sources of Salt water are :-

Sources of salt water :-

Ocean

Sea

Uses of water are :-

Drinking

To water plants

Bathing

Washing clothes

Uses of water:-

Cleaning utensils

To water crops

Cleaning

To put out fire

Harmful chemicals from factories

Washing animals in river

Causes of water pollution are :-

Water is very important for life.

We should not waste it or dirty it.

Water pollution

Washing clothes in river water

Throwing garbage in water

Immersing idols

Diseases caused by polluted water are :-

Diseases caused by polluted water :-

1. Cholera

2.Diarrhea

3.Typhoid

4.Hepatitis-A

5. Skin problems

Conservation of water means a wise, careful and economical use of water.

Conservation of water

1. Use of bucket while bathing and washing car/bike.

2. Take shorter showers.

2.Turn off tap while brushing teeth.

3.Fix water leaks

4. Rainwater harvesting

5.Remember that YOU are a water saver.

We should celebrate 22nd of March as World Water Day every year.

It will remind us of the importance of water.

World Water day

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