What is all around us?
Snow
Water
Air
Wind
Which among the following is more powerful?
Gale
Breeze
Storm
Hurricane
A football full of air is heavier than an empty football.Why?
Air has weight
Air moves things
Air is everywhere
Air fills things
Which one is heavier?
Empty balloon
Half filled balloon
Full filled balloon
Unfilled balloon
Which of the following is not a reason for air pollution?
Cigarette
Factories
Vehicles
Electric light
Which among the following can NOT uproot trees?
Which gas is used by plants during day?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
Which will have more smoke and dust?
City
Town
Lakeside
Forest
What makes the leaves move and trees sway?
Strong gale
Strong breeze
What is wind?
Moving air
Moving fog