Make a string telephone

Make a string telephone

What you will need

.2 paper cups

.a sharp pencil to help poke

.string

Instructions

1.cut a long piece of string

2.poke a small hole in the bottom

3.thread the string through the bottom

4.move into position

5.one person talk,s into the cup while

What,s happening?

Speaking into the cup creators sound wave with are converted into the vibration cup

The vibration travel along the string  and are converted into the waves at the end so your

Friend can hear what you are saying. the sound travels through the ear better solids such as

Your cup and string. Allowing to hear sounds  that might be too when the sound travels.