written by Rebecca E. Vieyra and Caroline Hall

This multimedia lesson, Part 3 of the AAPT Color Science trilogy, goes beyond color addition/subtraction concepts to explore the effects of color filters. It includes two activities: 1) A lab that features cups of colored gelatin for use as red, green, and blue "filters", and 2) An interactive PhET simulation to analyze how filters are used to selectively transmit or block particular wavelengths of light to produce a desired effect. Settings in the simulation allow learners to toggle between a single beam of light and scattered light particles, providing an effective way to visualize the particle nature of light. This lesson has strong correlation with two NGSS Disciplinary Core Ideas within the topic of Electromagnetic Radiation, as well as Performance Expectations applicable to both middle school and high school.

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Released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license.

Published May 30, 2017
Last Modified June 3, 2017

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by Rebecca Vieyra and Caroline Hall

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• Download ColorFilters_RVieyra-FinalEdited_CHall2017May.docx - 5197kb Word Document

Released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license.

Published May 30, 2017
Last Modified June 3, 2017