Social Studies Yr 4 - Chapter 9 Air Pollution

_____________ is termed as air pollution.

• Bad air

• Bad water

• Dirty

Which of the following pictures are the causes of air pollution?

• 
• 
• 

Air pollution can cause ___________ and ____________.

• 
• 
• 

Haze is caused by the traditional practice of _______ or ______ of forests to create fields for growing crops.

• planting, cutting

• cutting, burning

• burning, seed

Haze causes really bad air pollution. People would find difficulties in _____________ especially those who suffer from asthma.

• running

• breathing

• walking

___________ is the largest contributor to air pollution in the world.

• Motor vehicles

• Open burning

• Fumes from factories

In ________, forest fires in Brunei led to a serious air pollution problem.

• 1997

• 1998

• 1999

Which of the following can reduce vehicle air pollution?

• Walk or cycle

• Use public transport

• Not properly maintained vehicles

Use of public transportation is one method of reducing air pollution. Which of the following is public transportation?

• Bus

• Bicycle

• Boat

Clean energy means _______________ energy which does not pollute the air.

• environmentally-friendly

• unfriendly

• poisonous