The document discusses how sound travels through the ear to the brain. Sound waves make the air and objects around them vibrate. The outer ear directs sound waves into the inner ear like a funnel. The sound waves then cause the thin eardrum to vibrate, which in turn makes three tiny bones in the middle ear vibrate and transmit the sound waves further into the inner ear and to the brain.

1. Created by
Mrs.
McColgan
Spring 2012

2. 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.

3. How Your Ear Works
 Sound waves
move through
your ear to get
the sound
messages to your
brain.

4. The Eardrum
 Sound waves hit a thin
skin called the
eardrum causing it to
vibrate.

5. Three Tiny Bones
 As the eardrum
vibrates, it causes
three tiny bones to
vibrate.