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Wednesday, August 11, 2010

We are learning about vibration. When you wet your fingers and slide your hands down the string it makes a noise. It sounds loud because their is a cup on the end and the vibration hits the sides that makes a noise. I wonder how you could make it louder?

1 comment:

  1. I wonder if we put a bigger cup and some thicker string if this would make a louder noise.

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