String telephone © Siemens Stiftung 2018 CC BY-SA 4.0 international

String telephone

Image

Graphic:
Communicate over a distance with the help of a string telephone – this can be done easily with students.

English, German, Spanish
Image (6.5 kByte)
2018-04-22
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
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
Siemens Stiftung Media Portal
MediaHouse GmbH
© Siemens Stiftung 2018
Stay up-to-date!

About four times a year, we inform you about new media on this portal as well as current studies and events related to OER and STEM.

Media Portal newsletter – register now

About four times a year, we inform you about new media on this portal as well as current studies and events related to OER and STEM.

*Required fields


Language