Make "shiny bright" Christmas ornaments. We trace the circles onto white paper, draw a highlight, then paint each circle to make a sphere using analogous colors. Analogous colors are beside each other in the color wheel and they blend beautifully!
grade color wheels Think Create Art: Op Grade-Instructions I have some old examples of this would be good for both grades. High School did and op art hand in the beginning of the year but this would be great and a lesson on color schemes too.