As we go up to the layers of atmosphere, the pressure

What do you mean by insolation?

Which of the following gases protect us from the UV rays?

Which of the following layers of atmosphere is free from clouds?

When precipitation comes down to the earth in the liquid form,it is called as

The instrument used to measure temperature is called

Can we see and touch air?

What is wind?

Strong and fast moving wind is called

Air is present in places that appear to be empty.

Air has no weight.

Air is needed for breathing.

Windmills are used to produce

Do bubbles use air?

Aeroplanes need air to move or fly.

Air is _________ than water.

There is a covering of air all around the _____________.

Air is a _________ of several of gases.

The large part of the air is covered by ___________.

_________ is present in small quantities in air.

The _______ that takes place in factories, vehicles, kitchens etc. gives out smoke.

_________ from air is used for breathing and burning.

The covering of air around the earth is called ____________.

Plants use ______________ gas while preparing their food.

Does an animal need air?

Can you feel air?