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Sound Amplification & Clay Speakers

Ceramics Cell Phone speakers for middle school art
by

Lindsey Foushee

on 19 February 2017

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Transcript of Sound Amplification & Clay Speakers

Sound Amplification
Use science + art to create a ceramic cell phone speaker
The Science of SOUND
Sound is a type of energy made by vibrations. When any object vibrates, it causes movement in the air particles. These particles bump into the particles close to them, which makes them vibrate, too. This movement, called sound waves, keeps going until they run out of energy.
Boosting Sound
You have a natural sound wave "catcher" -
your ears!

You might have seen people cup their ears to hear better. Cupping your hand reflects more sound waves into your ear. Also, it helps you to focus more in a specific direction. That's why animals like cats or horses will twitch their ears forward and backward. It's like a built in hand cupping their ear, but even better.
Manipulating Sound Waves
For centuries, we have captured sound waves in various ways to help us hear better
Collecting Sound
Ear Trumpets were invented in the 1600s to help the hard-of-hearing funnel sound into their ears, like an early hearing aid!
Manipulating Sound Waves
In addition to "collecting" sound waves, you can focus them so they seem louder and the vibrations can reach farther.

Amplifying Sound
A simple cone focuses the direction of sound waves, making them louder because the energy is only having to travel in one direction.
Assignment
Create a sound wave amplifier for your cell phone using a pinch pot
Here's one method:
Or you can modify this basic technique:
Full transcript