Free Lessons High School Absorption and Transmission of LightBake Fluorescent Cupcakes!Color Absorption and Reflection with M&M’sDIY Smart Phone MicroscopeEstimate the sugar content of an unknown liquidGiant Cylinder Challenge!Hologram in your hand!Introducing Fiber OpticsInvisibility for Muggles!Kinesthetic Model of RefractionLight as Energy – Fluorescence and the Photoelectric EffectLight as Energy: PhotosynthesisMeasure the speed of light with a chocolate barMeasure the wavelength of LASERMeasure the Width of Human HairProperties of Laser Light: CoherentProperties of Laser Light: CollimatedProperties of Laser Light: MonochromaticSpeed of Light Experiment with Gelatin and a Laser!Waterdrop MicroscopeWhite Board Geometric Optics Kit Guide