Rainbows
Overview: Rainbows occur naturally when sunlight is dispersed by raindrops into the color spectrum. Rainbows are always in order of wavelength from longest to shortest: red, orange, yellow, green, blue and violet.
Supplies:
Objectives: Show how dispersion of light through water droplets (or something mimicing water droplets) rainbows can be made. Show that the order of colors will always be the same based on wavelength.
Setup:
How to run the demo:
What’s Happening?
Learn more: (external links)