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Science Project to show what matter does sound travel best (farthest) throu
kevinmanuel
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HI,

My first grader daughter has chosen to do a science project about sound and what matter does sound travel best through. I helped her define 'best" as what can you hear farthest. We are struggling on how to measure this underwater. We plan to use the swimming pool and stand at increasing distance from the source of sound (on a recorded device to control volume). I was hoping the school would have an underwater decibel meter to measure the sound but they don't. I could use a decibel meter app on my iphone but don't plan on submerging it in water. Any ideas?

Please help.

I didn't find the right solution from the Internet.

References:
http://www.sciencebuddies.org/science-fair-projects/ask-an-expert/viewtopic.php?t=18781
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Thanks!


Posted Apr 21, 2018, 3:26 pm
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