grade 1

Object that produce sound are called sources of sound.

• True

• False

Horns of vehicles are pleasant.

• True

• False

Candle is natural source of light.

• true

• false

It is dark at night.

• true

• false

Water is necessary for life.

• true

• false

Animals never drink water.

• true

• false

We need water to generate electricity.

• true

• false

Animals cannot live without...............

• water

• tranport

Dirty water is not good for our....................

• water

• health

water is used for putting out ......................

• health

• fire