Is air present everywhere around us?

Air is present around us everywhere 

Eg in tyres in balloons

Related Chapter Name

Food: Where Does it Come from?
Components of Food
Fibre to Fabric
Sorting Materials into Groups
Separation of Substances
Changes Around Us
Getting to know Plants
Garbage In, Garbage Out
Water
Fun with Magnets
Electricity and Circuits
Light, Shadows and Reflections
Motion and Measurement of Distances
The Living Organisms and their Surrounding
Body Movements