Getting on the Right Wavelength

This Getting on the Right Wavelength interactive also includes:

Predict an equation that waves up and down. Pupils set the height, radius, and period of a Ferris wheel. The learners write a sine equation to match the graph of the height of a point on the wheel as a function of time. Running the interactive, they test their predictions.

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CCSS: Adaptable
Instructional Ideas

  • Provide specific parameters for the Ferris wheel
  • Use the interactive in reverse, provide the equation and have class members determine the wheel parameters
Classroom Considerations

  • The class should be familiar with trigonometric functions
Pros

  • Uses colors to distinguish the two graphs
  • Displays the angle or rotation
Cons

  • None
Common Core