Metal Noise Maker

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In this activity, learners explore how sound travels through solid objects better than through air. Leaners attach a metal clothes hanger to a piece of string and hold it to their ears. When the hanger is bumped against an object, the vibrations create the sound of chimes that can only be heard by the learner. Activity includes step-by-step instructions, a video demonstration, background info about how sound travels, suggested questions for caregivers to ask learners, and suggested activity extensions.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
$1 - $5 per student

Age Range:
Ages 6 - 18

Resource Type:


Materials List (per student)

  • Metal wire clothes hanger (alternatives: metal spoon, fork, or spatula)
  • String (alternatives: yarn, fishing line, dental floss, twine, etc.)
  • Scissors
  • Table (alternatives: wall, door, any hard surface)


  • Life Sciences
    • Human Senses and Perception
      • Hearing
  • Physical Sciences
    • Vibration and Waves
      • Sound

Informal Categories

  • Music


Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access


Source Collection

  • Amazeum YOU


  • All rights reserved, Scott Family Amazeum, 2021

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