The classic DIY string telephone with cups is easy to make at home and your kids will have lots of fun talking to each other "long-distance"!

Aug 11, 2023 · Students investigate how sound travels through string and air. They are given a design challenge to redesign the string telephone for distance.

phone, your voice travels in small sound waves. The sound waves are carried to a thin metal disk inside the phone, called a diaphragm, and are converted into electrical energy.

Learn all about sound in this super-fun science twist on the classic tin can telephone activity. This version is even more kid-friendly because it uses Styrofoam cups. After making your string …

Jun 25, 2025 · Do you wish you could have your very own phone? All you have to do is follow these steps to learn how to make your own tin can and string (or cup and string) telephone. …

Tie a toothpick on each end of a length of string. Poke the toothpick through the end of the cup. Pull the string tight so the toothpick rests on the inside bottom of the cup. Put one cup at each …

Join Jessi and friends as they learn about sound waves by making a string phone! Plus, learn how to make your own! ...more

Dec 3, 2024 · Even though most homes no longer have landlines, a string telephone offers a quaint example for kids to learn a basic physics lesson about how sound waves travel, using …

Build a telephone from two cups and a string. This is an experiment about how sound waves propagate. Use the needle to make a hole in the bottom of each mug. Thread one end of the …

k String Students will learn about sound waves and vibrations as they make their own string-c. g Directions The first thing you need is a long pie. e of string. String from an old kite or fishing …