Doppler Effect

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In this activity, learners use a tuning fork to explore how the Doppler effect works. They strike the tuning fork to produce a sound, then observe as the tone changes as the fork is swung back and forth. Learners also explore applications of the Doppler effect in technology.

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
5 to 10 minutes
Estimated Materials Cost:
$5 - $10 per group of students
Age Range:
Ages 11 - 18
Resource Types:
Activity, Demonstration
Language:
English

Materials List (per group of students)

  • tuning fork
  • string

Keywords

Subjects

  • Physical Sciences
    • Vibration and Waves
      • Sound
      • The Doppler Effect

Informal Categories

  • Science Festivals Activity

Audience

To use this activity, learners need to:

  • hear

Learning styles supported:

  • Involves hands-on or lab activities

Other

Access Rights:

  • Free access

By:

Rights:

  • All rights reserved, COSI Columbus, 2009