What kinds of light have we?
We have the light of the sun, moon, and stars; also, the light from the burning of any substance.
Does the light show many colors?
It does show many colors or shades of color.
How may some colors be made?
They may be made by mixing other colors together.
How can we make a purple color?
By mixing a red and a blue color together.
How can a green color be made?
By mixing a blue and a yellow color together.