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.