WebOct 28, 2024 · 3. Pull the palm strings. With the string taut, bring your right pointer finger over to the left palm string. Slide your pointer finger under the left palm string and pull it back to your right side. Then bring your left pointer finger to your right palm. Slide your pointer finger under the left palm string (directly beneath your right pointer ... WebHow does the string telephone work? A string telephone works very much like a landline phone. When you talk into the cup your voice sends sound waves inside the cup, vibrating the bottom of the cup. The vibrations are transferred to the string, across the string and into the bottom of the other cup. The sound waves become vibrations inside the ...
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WebApr 29, 2024 · Tie each end of the string to a paper clip to prevent the string from detaching from the cups. Pull the string taut and have one person speak into one of the cups while … WebMar 15, 2024 · How far do Cup phones work? Making a Paper Cup Phone Pull the string taut and have one person speak into one of the cups while you listen through the other. The cups can be used to communicate over distances of up to 100 feet. What kind of string is best for Cup phones? Suggested Materials how far away is proxima centauri from the sun
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WebThe string needs to be tight between the cups—a loose string will not transmit sound as well. If something is touching the string (ex. a finger, a wall, etc.), the phone won’t work as well. If the speaker or listener is holding the cup perpendicular to the string, so that the string is touching the edge of the cup, it will dampen the sound. WebIf one speaks into a cup, the sound waves of their voice vibrate the back of the cup, which propagates as longitudinal waves down the string to the other cup. The arrival of the longitudinal waves at the second cup then … WebMay 13, 2016 · Join Jessi and friends as they learn about sound waves by making a string phone! Plus, learn how to make your own! #sciencegoals-----Like SciShow? Want ... how far away is puerto rico from new york