Why do bubbles appear when an empty glass is pushed upside down to a tub of water and tilted?
Because there is no air inside the glass
Because there is bubble inside the glass
Because there is no air inside
Because the glass is empty
What makes the leaves move and trees sway?
Gale
Breeze
Strong gale
Strong breeze
Which gas is used by plants during day?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
Which among the following is NOT strong?
Storm
Hurricane
Which sentence is FALSE?
Air is all around us
Air fills things
Air has no weight
Air moves things
What is wind?
Moving air
Moving fog
Thick layer of air around earth is:
Atmosphere
Stratosphere
Troposphere
Lithosphere
Which will have more smoke and dust?
City
Town
Lakeside
Forest
A football full of air is heavier than an empty football.Why?
Air has weight
Air is everywhere
Which is a FALSE sentence?
We need air to live.
We cannot stay alive for few minutes without air.
Other living things can stay without air
Plants and animals also need air to live.