Basic 3 Science

Basic Science

AIR

Air us a mixture of nitrogen, oxygen and other gases that surround the earth and form its atmosphere. It is an invisible gasesous substance surrounding the earth, a mixture mainly of oxygen and nitrogen. Air can also be seen as the earth’s atmosphere. It is a mixture of many gases and dust particles. It is the clear gas in which the living things live and breathe.

1 . Air can be defined as a mixture of __

2 . Air is useful for __

3.  ____ is an example of gas

4.  Air exists mainly in the ___

5. Air enters out body through the ___

6.  The air we breathe in is called____

7.  We can get fresh air ______

8.  Air is invisible. This means ____