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Papercup Telephone

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Papercup Telephone


Children make telephones using two paper cups connected by a string, exploring sound vibrations and communication through a fun hands-on activity.



Materials :
  • Paper Cup
  • Thread
  • Scissors
  • Masking Tape

Challenges:


  1. Pass the sound through one paper cup to another with the use of thread.
  2. Connect as many paper cups as possible and see up to what number of the cups the sound can pass.
  3. Let the kids figure out if the sound passes if there's any block in the thread.

Questions to be asked:


  1. How does sound travel in this? What acts as a medium for the travel of sound?
  2. If the thread is loose, does the sound travel well? Or does the sound travel well when the thread is tight?
  3. If there is any obstacle created in the thread or if you touch the thread or move it, does the sound travel?

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