| A | B |
| quantum | theory of light states that light has a dual nature, with characteristics of both particles and waves |
| photons | tiny bundles or packets of energy |
| visible light | electromagnetic waves that our eyes can percieve |
| white | a mixture of all the colors of light |
| electromagnetic | a dual wave that consists of an oscillating electric field and an oscillating magnetic field vibrating together |
| blue | the additive primary colors of light are red, green, and ____ |
| Isaac Newton | English physicist who wrote Optiks; proposed the particle theory of light |
| Christian Huygens | Dutch physicist who proposed the wave theory of light |
| James Clerk Maxwell | Scottish physicist who discovered that light consists of electromagnetic waves |
| Heinrich Hertz | German physicist who demonstrated teh existence of radio waves |