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What color is inside the can? /// Homemade Science with Bruce Yeany

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Channel: Bruce Yeany
Categories: Chemistry   |   Physics   |   Science  
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The multicolored can has a small hole in the lid with a question, "what color is inside?" This thought provoking device is helpful to students in gaining some insight into the idea that light and color need be be reflected off of an object for us to perceive it. It is also used as a lead-in to correcting the misconception that many students have that our eyes can eventually become accustomed to seeing things in the dark.

Homemade science is a collection of classroom tested ideas, suggestions, projects, and experiments that I have used in teaching physical science for the Annville-Cleona school district in central Pennsylvania. I am currently in my 38th year of teaching. My intention is to share these ideas with other teachers or anyone who has an interest in science. I have found that designing and building my own equipment has taught me more than any course that I have ever taken. I hope that you consider making or trying these experiements for yourself.

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