Hot air balloon: Dry cleaner bag over Bunsen burner rises to ceiling.

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(C)Properties of Heat and Matter - C+20: Convection

Hot air balloon. A clear laundry bag is placed over the Hot Air Balloon Launcher. A Bunsen Burner is ignited, filling the bag with hot air, and the balloon rises to the ceiling of the classroom. ENGINES AND PUMPS.
UCB Index: 
C+20+15
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