Teach basic concepts associated with light and shadow as part of your light and shadow unit. Concepts include transparent, opaque, and translucent materials, reflection, refraction, sources of light, breaking up light, and eye safety. This resource is part of our Light and Shadow Unit Bundle.This lesson set comes with:lessons and activities on concepts such as eye safety, sources of light (natural and artificial light), transparency, opacity, translucency, shadows, breaking up light (light spect