Air

Wind moving at high speeds can ______________ properties and be harmful to lives.

The atmosphere helps to maintain the __________________ of our Earth.

Burning of fossil fuels causes __________________.

Wind can be used to produce _________________.

Wind moves from a _____________ place to a _____________ place.

Plants need _________________ and sunlight to make food.

Air pollution is harmful to our _______________ and also reduces the visibility.

We can reduce air pollution by practicing _______________, taking public transport and conserving electricity.

All living things need ______________ to breathe.

1. _________________ is the layer of air around our Earth.

Moving air is known as ________________.

Without air, sound cannot _________________.

Air is a mixture of _______________ such as nitrogen, oxygen, carbon dioxide and noble gases.