Mosiac - maybe hang blank color wheel at beginning of year and allow students to add found/donated items thought the year?
Mrs. Pearce's Art Room : Eyeballs
color wheel variation
Op art colorwheel 7th grade Lowell Middle School Art Ed Central
Nothing teaches you as much about color mixing as creating your own color wheel!
Splatters and Smudges: Color Wheel Mandalas (2008)
Teach and Shoot: Elementary Art Unit: Color Theory : Color Wheel
Art. Paper. Scissors. Glue!: Creative Color Wheel
A Rainbow Colour Wheel Umbrella! paint, digital photo