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Secret Bells


Source Institutions

    The Exploratorium

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Secret Bells

Sound can travel through a variety of media. In a musical twist to the tin cans and string experiment, place string on a metal coat hanger to hear "secret bells" as you gently hit the hanger on something solid.

Quick Guide


Preparation Time:
Under 5 minutes

Learning Time:
Under 5 minutes

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 6 - 14

Resource Type:
Activity

Language:
English

Materials List (per student)


  • Unpainted metal clothes hanger
  • String
  • Scissors
  • Optional: Cooling or baking rack, metal salad tongs

Subjects


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

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