Air around us ( Air has weight ) for class VI

Dose air has weight ?

• NO

• yes

• both a & b

Which gas is helpful for burning fire ?

• oxygen .

• Nitrogen

• carbon dioxide

• all

Air occupy space , which one is best to explain this term ?

• Ballon blowing

• Fire

• both a & b

• none of the above

Why do you think mountaineer carry oxygen cylinders with them, while climbing high mountains?

• There is much air

• They likes to carry that

• There is less oxygen

• all

The layer of gases around the earth is called as

• Oxygen layer

• Ozone layer

• Atmosphere layer

• Simple layer

• All gases

Clothes dry faster when there is ______ water vapour in air

Which of the following is an air pollutant?

• Carbon monooxide

• Nitrogen

• Carbon dioxide

• Oxygen

Why do plants need air?

• To breath

• Photosynthesis

• To make food

• To produce Oxygen

Moving air is called __________.

• Air

• wind

• nothing

• all of the above

Bubble is made of what ?

• both 3 & 4

• nothing

• air

• water