String telephone
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Graphic:
Communicate over a distance with the help of a string telephone – this can be done easily with students.
Englisch, Deutsch, Spanisch (CREA)
22.04.2018
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Solid materials (in this case the string) conduct the sound.
But with a string telephone it is also possible to demonstrate sound amplification and sound transmission.
Information and ideas:
Extension of experiment possible:
Comparison of string telephones made of different materials:
- string, wire
- plastic cups, tins, yoghurt cartons
Relevant for teaching:
Acoustic phenomena
Sound/acoustics: parameters
Communication and understanding
Vibrations and waves
But with a string telephone it is also possible to demonstrate sound amplification and sound transmission.
Information and ideas:
Extension of experiment possible:
Comparison of string telephones made of different materials:
- string, wire
- plastic cups, tins, yoghurt cartons
Relevant for teaching:
Acoustic phenomena
Sound/acoustics: parameters
Communication and understanding
Vibrations and waves
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Example
Personal, social and health education (PSHE); Physics; Technology
Grade 1 to 4; Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
Elementary school; Middle/high school; Vocational training
Communication; Sound; Communication (technical); Sound (basic phenomenon); Sound propagation
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