Wednesday 13th May - String Telephone

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Wednesday 13th May - String Telephone

Apr 30 2020 By 

String Telephone

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 telephone, read the string telephone explanation with your kids to discover why it works!

 

string telephone explanation 1string telephone explanation 2string telephone explanation 5string telephone explanation 4

 

*STYROFOAM OR PAPER CUPS

*COTTON TWINE

*PENS OR CRAYONS

*SCISSORS

* UPLOAD A PHOTO TO FACEBOOK.

#THCPHOMECLUB #FARMFUN

Instructions:

Use the scissors to poke a little hole in the bottom of each cup.

String a piece of twine / string between the cups. Use a long peice of string to help the sound travel further.

Tie a knot in the end of the string too keep it in the cup

Decorate the cups if you wish.

One person can hold the phone up to their ear and he other person can talk into the other cup. Keep the string tight or the sound waves will not travel correctly.

 

What's happening?

Sound waves are created when sounds make vibrations in the air. In this activity, your voice vibrates the air inside the cup, which are then transferred to the bottom of the cup.

The bottom of the cup passes the sound waves to the string, and so on to the other cup. You can hear surprisingly far using a string telephone if help the right way!

 

Don't forget to upload a photo of your string telephone, tag us and use #THCPhomeclub #farmfun

This activity was brought to you by: https://raisinglifelonglearners.com/string-telephone-explanation/

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