Waves in the water © Siemens Stiftung 2018 CC BY-SA 4.0 international

Waves in the water

Image

Photo:
If you want to give the students an initial impression of sound waves, the propagation of waves in water is very useful.

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Image (69.7 kByte)
2018-07-27
When a stone is thrown into the water, concentric circles spread out from the spot where the stone hit the water. Sound waves move away from the source of sound in a similar way.

Information and ideas:
The well-known photo may be a help for students to picture the propagation of sound waves in their minds. (Strictly speaking a water wave and a sound wave differ with respect to the direction of the vibration – transversal and longitudinal respectively!)

Relevant for teaching:
Acoustic phenomena
Vibrations and waves
Example
Biology; Personal, social and health education (PSHE)
Grade 1 to 4; Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Elementary school; Middle/high school; Vocational training
Sound; Water; Wave (physics)
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© Siemens Stiftung 2018
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