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Straw flute

Straw flute

Observe what happens when making sounds with shorter and shorter pieces of the same straw.

01:21

Physics

Keywords

mechanics, experiment, sound, sound wave, vibration, pipe, physics, straw

On-screen labels

straw, scissors, pliers, Flatten one end of the straw with the pliers., Cut the tip of the straw to a point., Open the pointy end slightly and blow into the straw., Air makes the pointy end vibrate, and the straw makes a sound like a flute., While blowing into the straw, observe what happens if you cut small pieces off it with the scissors., Air makes the pointy end vibrate, and the straw makes a sound like a flute. The shorter the straw, the higher the sound., Why do you think the straw makes different sounds?
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