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Created by Mrs. McColgan Spring 2012

How do you hear sound

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Page 1: How do you hear sound

Created by Mrs. McColgan Spring 2012

Page 2: How do you hear sound

How Your Ear Works Sound waves move

from their source and make matter around them vibrate.

The shape of your outer ear directs the sound to your inner ear, like a funnel directs material from one place to another.

Page 3: How do you hear sound

How Your Ear Works

Sound waves move through your ear to get the sound messages to your brain.

Page 4: How do you hear sound

The Eardrum

Sound waves hit a thin skin called the eardrum causing it to vibrate.

Page 5: How do you hear sound

Three Tiny Bones As the eardrum

vibrates, it causes three tiny bones to vibrate.