An inflated balloon will weigh more than a deflated balloon.

The layer of air surrounding the Earth is called the atmosphere.

Fill in the blank with an appropriate word:

(empty, balloon, breathe, football)

A football full of air is heavier than an _____ football.

Fill in the blank with an appropriate word:

Air fills up _____ (roads/spaces/lengths).     

Name any two:

Things that move with the help of air. 

An empty glass is full of air.    

Give two uses of air.