What is sound?
Text
Information sheet:
The principle of sound generation and propagation as a wave in the air or in water is explained concisely.
Englisch, Spanisch (CREA), Deutsch
20.04.2017
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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
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
Information sheet
Physics
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Middle/high school; Vocational training
Pressure (physics); Sound; Wave (physics); Loudness; Resonance (physical process); Sound (basic phenomenon); Sound pressure; Sound production; Sound propagation; Sound wave; Type of sound
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