Sound and Noise Quiz 3

Which of the following is a way to reduce noise pollution?

• Playing loud music.

• Planting more trees.

• Leaving appliances on when not in use.

• Using an alarm clock with a very loud alarm.

Why is it important to regularly check electrical appliances?

• To make them look shiny.

• To make sure they don't produce unnecessary noise.

• To make them more expensive.

• To make sure they are heavy.

Which of these is an example of a noise pollution solution mentioned in the chapter?

• Avoiding using loud speakers for too long.

• Listening to music at a high volume.

• Honking your horn at all times.

• Watching television at a high volume.

Why does planting more trees help to reduce noise pollution?

• They make the air cleaner.

• They absorb the noise.

• They provide a home for birds.

• They make the city look beautiful.

What is the primary difference between sound and noise?

• Sound is always loud, and noise is always quiet.

• Sound is always pleasant, and noise is always unpleasant.

• Sound travels in a medium, but noise does not.

• Sound is made by living beings, and noise is made by objects.

Which of these is a preventive measure to protect yourself from noise pollution?

• Leaving doors and windows open.

• Using heavy carpets and curtains at home.

• Playing the television and radio at high volumes.

• Listening to music through loudspeakers.

What is the purpose of regulating traffic honking in residential areas?

• To prevent cars from working properly.

• To reduce noise pollution from vehicles.

• To increase the number of accidents.

• To make traffic jams worse.

What is one harmful effect of noise pollution on humans?

• Reduced irritability

• Loss of sleep and concentration

• Better communication

• Improved hearing

Which of these is an example of a sound from a living being?

• The ticking of a clock.

• The sound of a train.

• A bird chirping.

• A doorbell ringing.

What kind of sound would you classify a fire engine siren as?

• A pleasant sound

• An unpleasant sound

• A musical sound

• A gentle sound