More than 30 Million Americans

hear dangerous sound levels each day!

People of all ages can lose hearing

because of the noises they hear.

I’m all EARS!What are some sounds that I hear?

Move your mouseClick on the Falls

Niagara Falls

Humans cannot hear sounds that vibrate:

•too fast (pitch is too high)

•too slow (pitch is too low)

•too large (volume is too loud)

•too small (volume is too soft)

Human hearing is limited to a range of sounds.

How do my ears work?

“Old MacDonald ... Had Two Ears”

Verse One

Old MacDonald Had Two EarsE… I… E… I… …O

Three parts each so he could hearE… I… E… I… …O

With an outer ear, middle earInner ear hear, Inner ear there

Here an ear, there an earEverywhere an ear, ear

Old MacDonald Had Two EarsE… I… E… I… …O

Sound Waves enter the outer earE… I… E… I… …O

They hit the drum and it is clearE… I… E… I… …O

With a Wave, Wave here and a Wave, Wave thereHere a Wave, there a Wave, everywhere a Wave, Wave

An outer ear, middle earInner ear hear, Inner ear there

Here an ear, there an earEverywhere an ear, ear

Sound waves enter the outer earE… I… E… I… …O

Vibrations move the little bones E… I… E… I… …OMoving fluid so we hear tones E… I… E… I… …O

With a Whoosh, Whoosh here, and a Whoosh, Whoosh thereHere a Whoosh, there a Whoosh, Everywhere a Whoosh, Whoosh

Wave, Wave here and a Wave, Wave thereHere a Wave, there a Wave, everywhere a Wave, Wave

An outer ear, middle ear Inner ear hear, Inner ear thereHere an ear, there an ear Everywhere an ear, ear

Vibrations move the little bones E… I… E… I… …O

This moving fluid signals my brain E… I… E… I… …OI hear the sound of a jet airplane E… I… E… I… …O

With a Zoom, Zoom here, and a Zoom, Zoom thereHere a Zoom, there a Zoom, everywhere a Zoom, Zoom

Whoosh, Whoosh here, and a Whoosh, Whoosh thereHere a Whoosh, there a Whoosh, Everywhere a Whoosh, Whoosh

Wave, Wave here and a Wave, Wave thereHere a Wave, there a Wave, everywhere a Wave, Wave

An outer ear, middle ear Inner ear hear, Inner ear thereHear an ear, there an ear Everywhere an ear, ear

Sound Waves signal my own brain!!!E… I… E… I… …O !!