intellectual fun activities

Smoke given out by vehicles is _______ for health.  

Observe the figure carefully. What will happen if a glass is put over a burning candle?

• The candle keeps burning.

• The candle goes off.

• The candle shrinks in size.

• None of these.

"TRUE or FALSE"

Athmosphere is made up of a blanket of gases.

• True

• False

"TRUE OR FALSE"

Air is invisible, it is colourless and odourless.

• True

• False

..... is moving air

• Wind

• Tire

Smoke and gases pollute the water and make it dirty.

• true

• false

Which pollution is caused by burning of fossil fuels such as cars and airplanes?

• Air
• Noise
• Land

Oil spillage in water is what type of pollution?

• Land Pollution
• Water Pollution
• Noise Pollution

Which pair below are the two main sources of air pollution in urban (populated) areas?

• vehicles, volcanoes

• vehicles, industries

• Industries, agriculture

• All of the above

cycle rides can cause air pollution

• true

• false