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Siemens Stiftung

The Ear, Hearing and Hearing Impairment;: Sound propagation

Information sheet:
Scientific explanation of the phenomenon that it is possible to blow out a candle with sound.

The experiment "tambourine blows out candle" demonstrates clearly how sound waves propagate and that a movement of air particles is associated with it (you may use a bass drum instead of a tambourine). On the basis of this experiment the propagation of sound when speaking can be explained.

Information and ideas:
Simple experiment that can be reproduced easily in class.
The media used in this information sheet are available as individual media files on the media portal of the Siemens Stiftung.

Relevant for teaching:
Acoustic phenomena
Sound/acoustics: parameters
Vibrations and waves

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