Trace the shadow of your sculpture - foil figure or another object with a clearly identifiable shape. Ask, "If I hold the light here, will the shadow move?" Explore how the shadow elongates and shortens as the light is moved.
this one sounds even easier to make: bubble snakes = easy quick craft. Cut the bottom off water bottle. Put old sock over bottom and duct tape. Add food coloring for fun. Dip end in dish soap mixed with a little water
COOPERATIVE ACTIVITY~ Great group activity that engages curiosity about the science behind the "trick. is it wrong that all I can think of is "how the heck do they now get out of this without all of them falling on the hardwood floor?