Noise Pollution

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

• Hertz

• frequency

• decibel

• wavelength

Which of the following are considered as the two main parts of the auditory system? Pick two answers.

• eyes

• brain

• spinal cord

• ear

What is the Noise Pollution definition?

• Excess noise produced by humans.

• Unwanted noise that disturbs all life.

• Unwanted noise.

Which contributes to Noise Pollution the most?

• Television

• Music from headphones

• Construction Crane

• Huge concerts/events

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

• music

• noise

• audible sound

• volume

The sound level which is comfortable for the human ear.

• 60-65

• 100-105

• 80-85

• 120-125

What is considered very loud for the human ears?

• 100db

• 40dB

• 70dB

• 10dB

___________ is an unwanted sound that is harmful to people and animals.

• Water Pollution

• Land Pollution

• Noise Pollution

• Air Pollution