1.What happened to the sound you produce from one of the empty cans of your makeshift telephone?
2. Did the sound you produce travel from one end to the other?
3. Try to shorten the long string and talk once again with one of your family members, how did the length of the string affect the quality of sound produced?
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Answers & Comments
1. The sound travel to the strings which is the medium until it reach the other can.
2.Yes because, sound travels in mechanical waves. A Mechanical wave is a disturbance that moves and transports energy from one place to another through a medium. In sound, the disturbance is a vibrating object.This means that sound can travel through gases, liquids and solids. OR Yes,because you produce the travel sound from one to end the other
3.It shorten the traveled of the sound produced and affected the quality of the sound