EVS (topic -Air)

True or False : We need air to live

• true

• false

• I do not know

• not sure

Which gas helps in burning ?

• Nitrogen

• Carbon di oxide

• Oxygen

• Hydrogen

What do you call a heavy strong wind blowing along with rain and thunder ?

• Gale

• breeze

• thunder

• storm

Which gas is needed for breathing ?

• Nitrogen

• oxygen

• carbon di oxide

• Hydrogen

True or false : The wind sock shows speed and direction of the wind

• true

• false

Which gas is used by plants to prepare their food ?

• oxygen

• carbon dioxide

• nitrogen

Which instrument is used to find direction of wind ?

• barometer

• thermometer

• anemometer

Air occupies space . (true or false)

• true

• false

Which gas do trees provide to the surroundings?

• nitrogen

• carbon dioxide

• oxygen

A candle flame needs _____ to burn continuously

• nitrogen

• oxygen

• carbon dioxide