| A | B |
| transparent material | a material that transmits light without scattering it |
| translucent material | a material that scatters light as it passes through it |
| opaque material | a material that reflects or absorbs all ofthelightthat strikes it |
| primary colors | three colors that can be used to make any other color |
| secondary color | any color produced by combining equal amounts of any two primary colors |
| complementary colors | any two colors that combine to form white light or black pigment |
| pigment | a colored substance used to color other materials |