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Learning to Use a Motion Detector

Experiment #1 from Investigating Motion

Education Level
Elementary School


You can use a Motion Detector to measure the position of objects as they move. In this activity, you will learn how to use a Motion Detector.


  • Learn to use a Motion Detector.
  • Measure the distance between a book and the Motion Detector.
  • Match a shape by moving a book up and down above a Motion Detector.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

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This experiment is #1 of Investigating Motion. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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