vocabulary 3 - Colors of light

1.Prism: a cut piece of clear glass (or plastic) with to opposite sides in the shape of a triangle or other geometric shape.

2.Spectrum: a band of colors produced when light go through a prism.

3.Primary color: red, green, or blue; mixing these colors can produced all the colors of the spectrum.

4.Primary pigment: magenta, cyan, yellow; material with any of these colors absorbs one primary color of light and reflects the other two.