A great lesson to use when teaching about abstract portraits. Also a good intro to using watercolors and the element of art - value. This step-by-step lesson with full illustrations and photos is another one from my book "The Creative Classroom".
Elements of Art
Principles of Art
Also check out my other art lessons from my book and on my page: http://www.teacherspayteachers.com/Store/Mrs-Clauses-Creative-Classroom