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Siemens Stiftung

The Ear, Hearing and Hearing Impairment;: What is sound?

Information sheet:
The principle of sound generation and propagation as a wave in the air or in water is explained concisely.

The nature of sound is described based on the bursting of a balloon and an oscillating loudspeaker diaphragm. The comparison with a water wave clarifies the differences in the type of oscillation.

Information and ideas:
The sound generation experiments with oscillating bodies should be conducted beforehand so that the students can better understand the phenomena.

Relevant for teaching:
Acoustic phenomena
Sound/acoustics: properties
Oscillations and waves


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