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whynotchemeng
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Singing Rods
This video from whynotchemeng shows ground rosin being used to cause resonance in an aluminium rod. If rosin is not available then it is possible to cause the resonance by striking the end of the rod with a hammer. The rod must be balanced on one finger halfway along the length to enable the rod to resonate. As an extension, the frequency of the sound could be measured with an oscilloscope.
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Instruction booklet 82.54 KB
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Instruction booklet 82.54 KB
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