Tie a knot to hold the string inside the cup.
Poke the toothpick through the end of the cup. .
May 14, 2020 · Repeat on the second cup, using the other end of the 20′ string.
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Poke the toothpick through the end of the cup.
Materials Plastic cups Fishing line Paper clips Timing 30 minutes including discussion How to make String Telephone System 1. Tie this end of the string to one of the paper clips. A 'paper cup and string' telephone was made by connecting a 5 meter piece of string between two paper cups.
Here are the steps you need to follow to create the actual phones for the experiment: The first step, after you prepare the materials, is to take the pencil to poke small holes into the base of each of the two cups. (3) $1.
Use your pen or paper clip to poke a small hole in the bottom of each Dixie® cup (just small enough to string the yarn through it).
Have one person hold each cup and stand 20’ apart (you need the string pulled tight) Make sure the string is pulled tight, as shown here. Put one cup at each end of the string.
. String (you can experiment with different lengths) Can you use yarn for cup phones? To make your own cup phones, use the tip of a pencil to poke a small hole at the bottom of each of.
Repeat steps 1 and 2, using the free end of the string and the remaining cup and paper clip.
What could you do to make the string telephone work better? Part 2: Become an Engineer The String Telephone Company has hired you as an engineer.
Heavy rope is a bad idea -- lots of internal rubbing happens when it’s pulled on. The string was stretched tight (with nothing touching the string) and. Sound waves experiment by using cups and string to create a telephone.
The person with the cup over their mouth can talk. And if that string is connected to another paper cup, then that paper cup will also vibrate. 49. How Sounds Travels Through a String Telephone. Sound Waves: Worksheet and Lab w/ Answer Key (Fun Learning Activity) by. Live stream on Friday, May 19, 2023.
Safety note: Adults should supervise the use of sharp pushpins.
. These make a string telephone craft instructions are a must-have when it comes to teaching your children all about sound.
Take the 2 cups and invert them.
Jan 10, 2017 · 0.
Students use this hands-on lab to answer sound wave questions on worksheet/assessment.
Use the pencil to make a small hole in the bottom of one of the cups.