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Anti-Sound Spring


Source Institutions

    The Exploratorium

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Anti-Sound Spring

What happens when two wave pulses meet in the middle? Send waves down a spring to watch them travel and interact. This activity, developed by the Exploratorium, uses an old fashioned phone cord and a dixie cup!

Quick Guide


Preparation Time:
Under 5 minutes

Learning Time:
Under 5 minutes

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 4 - 18

Resource Type:
Activity

Language:
English

Materials List (per student)


  • A 25-foot (7.5-meter) coiled phone cord
  • Lightweight paper or plastic foam cup
  • Masking tape, 1/2 inch (1.25 cm) wide

Subjects


  • Physical Sciences
    • Vibration and Waves
      • Wave Properties
      • Wave Motion
      • Sound

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  • Free access

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