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Exploring pitch

In Science we created straw pan pipes using to explore pitch. The pitch of a sound is how high or low the sound is e.g. a tight drum skin would give a higher pitched sound than a loose drum skin. We created different pitches on our straw pan pipes by cutting each straw a different length. We discovered that a sound could be heard if we blow into the straws without putting our lips on it. we discovered that the pitch was higher with the shorter straws and lower with the longer straws.

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