Color and filters - hidden message ppt
Students view each slide first without, then with, a red colour filter (red sweet packet wrappers work). They should predict what the last slide says. Use the phet website colour filter animation (search on google) to explain if required.


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  • colour and absorption.pptx

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Created: Dec 12, 2012

Updated: Oct 15, 2015

pptx, 257 KB

colour and absorption

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Creative Commons "Sharealike"

Creative Commons "Sharealike"