How to Make a String Telephone
Equipment:
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Method:
1. Cut the milk bottle in half.
2. Cut the string as long as you want the other person to stand away from you when you say secret messages on your telephone.
2. Cut the string as long as you want the other person to stand away from you when you say secret messages on your telephone.
3. Pierce a hole into the bottom of each milk carton half (so one in the top of the top half and one in the bottom of the bottom half)
4. Tie the string through the halves or the milk carton. Tie a knot so the string does not fall off.
5. You now have a string telephone, the sound will travel along the string to the receiving end of the phone line!
Why can you hear the other person? How does the sound get transferred?
4. Tie the string through the halves or the milk carton. Tie a knot so the string does not fall off.
5. You now have a string telephone, the sound will travel along the string to the receiving end of the phone line!
Why can you hear the other person? How does the sound get transferred?