What is the Noise Pollution definition?

• Excess noise produced by humans.

• Unwanted noise that disturbs all life.

• Unwanted noise.

Air pollution is caused by

• Fires

• Gases and fumes from factories

• Fumes from cars, trains and buses

• All of the above

Acid rain can damage

• Drinking water sources
• Aquatic life
• Architecture/buildings
• All options are correct

What is the unit that is used to measure the intensity of sound?

• Hertz

• frequency

• decibel

• wavelength

Which of these problems can be caused by air pollution?

• Respiratory problems
• Reduced food sources for humans
• Increased disease for humans
• Decrease in global temperatures

A sound which is not pleasing your ears is called ___________.

• music

• noise

• audible sound

• volume

How does air pollution affect humans?

• Humans will get super powers

• Humans will get sick with diseases

• Humans will live longer

• Humans will not be affected

Which contributes to Noise Pollution the most?

• Television

• Music from headphones

• Construction Crane

• Huge concerts/events

This is an example of

• Water pollution

• Noise pollution

• Air pollution

• Water 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