Vision & Hearing

Sounds that cause harm/loss to one’s hearing is

• noise trash

• noise solution

• noise pollution

• noise fog

Noise is measured by

• volts

• lumens

• amps

• decibels

Loud noises have a _________ number of decibels

• higher

• lower

____decibels and above leads to loss of hearing

• 75

• 85

• 95

• 105

Sound waves in the air are “caught” by the ____________

• inner ear

• outer ear

• eardrum

Sound vibrates against which part of the ear?

• inner ear

• outer ear

• eardrum

Damage can be done to the inner ear, even if you don't feel any pain.

• True

• False

__________ is a sign that noise is too loud for that individual

• ringing in ears

• water in your ears

• earplugs in your ears

How can you protect your ears? (select all that apply)

• Turn down volume on your TV and radio

• Wear ear plugs when working with/around loud machinery

• Only turn down music once ringing in your ears begins

• Cover ears during windy & cold weather

85 decibels and above is where hearing loss can begin. Which common noisy activity is commonly at 85 decibels?

• Rock concert

• School bus and school recess

• Firearms

• Lawn mower