Anti-Sound Spring

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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

Keywords

Subjects

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

Other

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Access Rights:

  • Free access

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