Spinning Cylinder: Make a triangle appear on a spinning wheel

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Spin a short piece of PVC pipe that's been marked up, and watch a triangle appear. Enjoy this optical illusion from the Exploratorium's Science Snack series.

Quick Guide

Preparation Time:
Under 5 minutes
Learning Time:
5 to 10 minutes
Estimated Materials Cost:
free per student
Age Range:
Ages 4 - 18
Resource Type:
Activity
Language:
English

Keywords

Subjects

  • Life Sciences
    • Human Senses and Perception
      • Vision
      • Perception
  • Mathematics
    • Geometry
    • Measurement
      • Rate
  • Physical Sciences
    • Motion and Forces
      • Momentum and Velocity
      • Rotation Motion
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations

Other

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Access Rights:

  • Free access

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