Web Reference: Learn how sound waves travel using a string telephone, a simple and fun science activity for kids. Find out how to make a string telephone with cups, twine, and markers, and why it works. Supplies: May 6, 2011 · When we talk, our vocal cords make molecules in the air vibrate. (You can feel the vibrations by holding your hand against your throat while you talk.) Those vibrating air molecules make other air...
YouTube Excerpt: Join Jessi and friends as they learn about sound waves by making a

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String Phone with TECHNOLOGY | KidVision Full STEAM Ahead
Famous String Telephones Profile
String Telephones
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Does TALKING through CANS and STRING WORK?
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String Telephones versus Sound tubes... STEM project.... Homemade Science with Bruce Yeany
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Best String for a String Telephone (And Can You Add More Cups?)
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How does your mobile phone work? | ICT #1
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How to Make a Paper Cup Telephone 📞 | STEM Science Fair Winner 🏆 | Fun Science Experiment for Kids
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How Cell Service Actually Works

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