Watering can as trumpet © Siemens Stiftung 2018 CC BY-SA 4.0 international

Watering can as trumpet

Video

Video (00:03 minutes):
Child blows into a watering can. This produces relatively loud trumpet-like sounds.

English, German
Video (618.0 kByte)
2018-08-07
The current of air that is pressed out between the lips produces the original vibration. In addition, all the air in the watering can is stimulated and it vibrates as well. The sound gets louder. With certain pitches the air in the can vibrates more or less. In our example, the low pitch sounds vibrate, therefore the wateringcan trumpet sounds relatively muffled.

Information and ideas:
Easy experiment to do. Parallels can then be drawn with musical instruments that work on this very principle.

Relevant for teaching:
Sound/acoustics: parameters
Vibrations and waves
Acoustic phenomena
There are no other media directly related to this file.
Illustration
Personal, social and health education (PSHE); Physics
Grade 1 to 4; Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Elementary school; Middle/high school
Sound
Siemens Stiftung Media Portal
MediaHouse GmbH
© Siemens Stiftung 2018
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