Air Around Us

Which of these is true about Air?

• It has colour

• It is all around us

• It can be measured in a cup

• You can wrap it around you like a blanket

When Air is pushed into a smaller space

Answer explanation

Normal Air can be squeezed into a small space and this helps to use the object with the compressed air. Like a cycle tyre or bouncy castle

The amount of water vapour in the air.

What is air pressure?

A layer of the atmosphere which absorbs harmful ultraviolet rays from the Sun,

Atmosphere contains ________. Choose all the correct answers.

• Oxygen

• Nitrogen

• Carbon dioxide

• Rainbow

• Water Vapour

What is the innermost and outermost part of Earth called?

Answer explanation

Innermost is called Core and Outermost is called the Crust. The middle layer is called the Mantle.

Draw the experiment:

Compressed Air can be used to lift things.

Living Beings ____ air which has more carbon dioxide than _______ air.

Process by which our food uses Oxygen to burn up the digested food is called