Do you know the REAL primary colors? With just a few supplies from your local hardware store, you can recreate this STEMAZing demonstration of the REAL primary colors of light and color addition in your own classroom. Or, you can simply use this video in your classroom.
Click on title here, RGB Color Light Show, for higher quality video hosted on Vimeo.
Special thanks to Do Pham at the University of Arizona College of Education for producing this video.