Crazy Remote

Want to have some quick science fun with your TV remote? Then try this experiment next time you flip on the tube:

Materials:

• metal frying pan or cookie sheet
• TV remote control
• plastic sheet

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Making IR Visible to the Human Eye

Infra-red light is in the part of the electromagnetic spectrum that isn’t usually visible to human eyes, but using this nifty trick, you will easily be able to see the IR signal from your TV remote, remote-controller for an RC car, and more!

• TV remote control
• camera (video or still camera)

 
Download Student Worksheet & Exercises

Exercises

1. Look over your data table. What kinds of objects (plastic, metal, natural, etc.) allow infrared light to pass through them?
2.  Why does the camera work in making the infrared light visible?

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