Institute for Dynamic Educational Advancement
Web Exhibits: Causes of Color
Why are things colored? This site explores the 15 phenomena that create our colorful world. Learn how light is made, lost, and moved!
CK-12 Foundation
Ck 12: Physical Science: Sources of Visible Light
[Free Registration/Login may be required to access all resource tools.] Definition of visible light and what incandescence, luminescence and illumination are and how they occur.