This visible spectrum diagram is clear, beautiful, and simple. Provided in three basic versions, we give you lots of options, with a total of 88 variations. They photocopy well and are great for use as a coloring and labeling exercise for your students. Two versions of this diagram are labeled as a visible spectrum diagram, and the third is labeled as an explanation of how a prism works. This would be a great addition to any lesson on refraction, electromagnetic waves, light, vision, or the