Light and Optics Lessons Elementary School Additive Color MixingBake Fluorescent Cupcakes!DIY Smart Phone MicroscopeExplore Reflection with Reflect ViewExploring ShadowsFollow the beam: How light travelsHologram in your hand!Light and materialsLight is for Seeing!Pixels and Additive ColorRefraction with Concave and Convex LensesTech Light Lab Activity GuideTransmission of Light, Color and ShadowsVirtual Reflections with Pepper’s Ghost