Calculate the speed of sound with a Coke bottle… | Musings on Education

As Wales gears up to implement Successful Futures, I’m in the process of collecting as many examples of “real world” science that can be undertaken in Primary and Secondary classrooms – things that don’t require specialist equipment AND are relateable to by our learners. It’s Bank Holiday here in the UK, so what else am I doing, but measuring the speed of sound with a Coke bottle.

Here is said 330ml bottle – which required a special trip to the supermarket to procure (had to buy x6 – so the kids are happy)

Physics bit – blow across the top of a bottle like this and you have a…

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