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A Sound Education: Good Vibrations

Author(s): Gregory L. Vogt, EdD

Resonating Box Tuning Forks

Instruments like guitars, cellos, and even pianos use the vibration of the wood from which they’re constructed to build up their sound. This process provides a larger surface area to create sound waves than that of the string alone. 

Sympathetic resonance occurs when an object (such as a tuning fork), responds to external vibrations similar to those that the object itself would produce if struck. This phenomenon also is known as harmonic likeness.

See the Notes section in the slide for materials needed, optional materials, setup instructions, and answers to questions.

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