Stethoscope and radio set

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In this project, students will study the relationship between the volume of a sound and the distance between the sound source and the receiver. From this, they will make a real stethoscope to listen to the heartbeat. They will also make walkie-talkies out of cups.

Subsections of the Model Curriculum Learning objectives
5.3-Sound3.5.3.1 explain the dependence
sound volume from the distance between
audio source and receiver
sound
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  • Infusion system
  • Funnel or saucepan
  • Balloon
  • Duct tape
  • Metal wire
  • Rubber
  • Glass - 2 pieces
  • Rope
  • Plasticine slice

Course Content