For Teachers Simple Optics Believing is Seeing Unit  Science, Optics and You  Physics Demonstrations: Light The Sense of Sight Blue Sky Red Sunset DynaMake & Do Interactives Light & Optics - Free Presentations in PowerPoint format for K-12 Science  For Kids Games & Kids Sites Resources Free Clip Art Free Presentations in PowerPoint format for K-12 Science  Video Clips for Science    All Rights Reserved    Clip Art Credit: Phillip Martin Have a great year!