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String Sounds

If you pluck a guitar string, the string vibrates. You probably wouldn’t hear much sound from just that small vibrating string. So a guitar body is built to take energy out of the string and transmit it as sound. Try this fun experiment to get an idea of how a guitar string's size and weight affect the sound.

What You’ll Need
  • goggles
  • rubber bands with different thicknesses
  • small, sturdy, lidless box
What to Do
  1. Stretch rubber bands of different thicknesses around a small, sturdy, lidless box. (Wear goggles.)
  2. Space the bands an inch apart.
  3. Pluck each one.
  4. How are the bands that produce high notes different from those that produce low notes?
How It Works

Art by: Robert L. Prince

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