This book is designed to help teachers bolster their content knowledge by focusing on specific science concepts regarding the topic of light. The book covers three scientific models of light and discusses the observations that can be explained by each model. Chapters include: (1) "LightN-The Early Years"; (2) "Colorful Waves"; (3) "Focus, People, Focus"; (4) "Not-So-Cheap Sunglasses"; (5) "When Light Waves Collide"; (6) "All about Eyeballs"; and (7) "Fire the Photon Torpedoes, Mr. Sulu!" (MVL)