Students illustrate changes in matter with simple experiments and show that matter can change states between solid, liquid and gas by adding or subtracting heat.
Examines the truth and myth surrounding Benjamin Franklin's kite-flying experiment in electrical science. Describes the competitive scientific field in the mid-eighteenth century during which English and French rivals tried to out-do Franklin's international success. Presents the viewpoint that Franklin never flew the kite at all and was a prankster who outwitted the competition.