Materials : balloons bits of aluminum foil pieces of wool pieces of paper plastic wrap carpet floor or if no carpet carpet pads String for tying balloons Introductory questions to stimulate discussion : Why do you get a shock when you touch someone who 
(bits of aluminum foil pieces of wool pieces of paper plastic; wrap; carpet floor) (you; touch; someone) (no carpet carpet pads; String; for tying balloons Introductory questions)
bits of aluminum foil pieces of wool pieces of paper plastic you no carpet carpet pads
wrap touch String
carpet floor
someone
for tying balloons Introductory questions