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Playing music with a bottle

March 21, 2018

We experimented in grade 9 today with bottles and the sound that they make when you blow over the opening.  This note will change with more or less liquid in the bottle.  We explored that relationship between the height of the air column and the frequency produced.
The frequency was measured with the app “sonic tools” (it’s free).
Some groups used big bottles, others used small bottles.  We did multiple trials to be sure our data was accurate.

We then plotted our data and are working on answering some questions.

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