vocabulary#3

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











2.spectrum:a band of colors produce when light goes through a prism






3.primary color: red,greenor blue;mixing these colors can produce 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