![]() When you held the rubber band down the sound changed and eventually there was no sound at all. The thinner strings on your rubber band guitar are the same-they vibrate more quickly, and we perceive these vibrations as a higher-pitched sound. The thinner strings on a guitar make a higher-pitch sound because they can vibrate more quickly than the thicker ones. The thickness of the rubber band changed the tone of the sound you heard when you plucked it. ![]() As you strummed the strings of your instrument you might have noticed you could feel the vibrations of the rubber band traveling through the tissue box. The sound made by your instrument was the sound created by the rubber band vibrating when you plucked it, much like how a real guitar string vibrates when played by a musician.
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