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Since we are talking about light this week, I want to provide this easy-to-understand video about light. You can also check out my lessons for the week and the light experiments that we are doing.
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Photos used under Creative Commons from rachaelvoorhees, Jonathan Rolande, dirkb86, Joelk75, jinterwas, gcapalbo1, Joybot, jeffdjevdet, Manuel Schmalstieg, Brett Jordan, SGPhotography77, grace_kat, Ryan Dickey, lovelihood
