To really emphasise the fact that sound is caused by vibration, the Year 8 children tested their model ears by producing different pitches and volumes to see the effect of the different sound waves on the eardrum. They also created a tin can telephone which they could even use cross network!
Academic
Making Waves in Mobile
The Year 8 pupils completed their study of sound by creating a model ear with working eardrum and a tin can telephone network.
Is it unlimited free minutes?Patrick, Year 8
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