Use the following words to complete the passage: add, reflecting, light, reflect, cancel, white, colors, waves interference, brighter.
Like water drops in falling rain, the CD separates _____ light into all the ____ that make it up. The colors you see from a CD are ______ colors, like the shifting colors you see on bubbles or an oil slick. You can think of ____ as being made up of ______ like waves of the ocean. When light waves ___ off the ridges of your CD, they overlap and interfere with each other. Sometimes the waves _____ together, making certain colors ______ and sometimes they _____ each other, taking certain colors away.