This is a great lesson because it integrates science with art in a very cool way. This lesson also helps students learn about texture and color. There are many different principles of art coming from this activity.
Week I thought this was relevant to arts advocacy because it states all the positive attributes that the arts have on children's learning. By being involved in an art form, students gain more benefits than if they were sitting in a classroom longer.
Picasso Pop Can Portraits: Free Lesson Plan Download