Thunder And Lightning (no main title)

Thunder And Lightning (no main title) 07:31:56 Lightning bolts thru backlit clouds; multiple strikes (light negative scratches). 07:32:28 Boy in shirt & tie stacks books on desk; causes static electricity on a woollen cloth by comb hanging from ruler support by books. 07:33:09 Illustration of atoms “no one has ever seen an atom...” showing positive & negative particles; plastic comb w/ charges; animation of rubbing w/ wool & moving particle charges. 07:34:50 Repeat wiping comb & wool to a show attraction. Boy helped by girl to do other experiments w/ combs & clothes showing two combs repelling each other; and two pieces of wool repell. 07:36:03 Animated drawings showing charges moving like lightning. 07:36:40 Clouds dissolving to animated drawing of particles; lightning illustrated between two clouds & between clouds & earth. Animated drawing of shock waves causing thunder. 07:37:48 Clouds, lightning & sound of thunder. 07:38:01 Animation of boy watching lightning; hearing thunder following. 07:38:14 Girl watching out window, lightning flashes. 07:38:38 Drawings of boy in water w clouds overhead; struck by lightning; standing under tree & hit by branch broken by lightning; house on hilltop hit by lightning, then drawing w/ lightning rod leading lightning into ground. 07:39:45 House roof w/ lightning rod by chimney. 07:39:52 CU rubbing comb & wool, then bending stream of water out of faucet; gasoline fuel truck w/ chain dragging on ground. 07:40:19 Tilt up large massive concrete building. 07:40:29 Backlighted clouds w/ lightning. Abrupt end. Educational Film; Science Experiments; Physics; Weather; Electricity; Electrons; Animation; 1950; 1950s; Elementary Education;