A painting contest inspires one artist to learn about light waves, prisms, and the color wheel.

When Ms. Vega announces a mural painting contest at school, James can't wait to draw a picture to fill the library wall. But as he explores color, he has a lot of questions about where color comes from and how our eyes see it. As he experiments and reads, James learns about prisms, the color wheel, and light waves—all while working on his colorful contest entry.