Vocabulary#3

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

Sprectrum: a band of colors procuded when ligth goes through a prism.

primary color: red, green, or blue; mixing these colors can produce all the colors of the sprectrum.

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