http://classroomclipart.com/clipart/Animations/Anatomy.htm

A pretty effective way to gain students attention and summarize the lesson objective

What's the opposite of scaffolding a lesson? It would be saying to students something like, "Read this nine-page science article, write a detailed essay on the topic it explores, and turn it in by Wednesday." Yikes -- no safety net, no parachute, no scaffolding -- just left blowing in the wind.