The string must be taut so that the sound vibrations can be passed along the string from cup to cup. Year 6 had great fun going ‘cross network’.
Academic
Tin Can Telephone
To emphasise the importance of wave vibration in sound our Year 6 pupils made a 'tin can' telephone using plastic cups and string.
We get unlimited free minutes!Aurelie, Year 6
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Co-curricular, Academic
