The Doppler Effect

This The Doppler Effect activity & project also includes:

In 1842, Christian Doppler proposed a theory relating the change of wavelengths based on motion. Young scholars observe the Doppler Effect on a small scale in a ball, on a larger scale from a car, and on the largest scale studying the movement of galaxies. 

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CCSS: Adaptable
Instructional Ideas

  • Watch a video of a car race when the microphone is near the track to hear the Doppler effect
  • Watch the clip from The Big Bang Theory when Sheldon dresses up as the Doppler Effect for Halloween
Classroom Considerations

  • One activity requires someone to drive a car past the participants while blaring the horn; this takes planning ahead to coordinate
  • The eighth lesson in a series of nine

  • Includes homework questions

  • Does not include an answer key
  • Document permissions do not allow for printing