6G: Today we created our own hot air balloon using garbage bags and a hair dryer. What made it possible for the bag to "lift off"? Can you identify the properties of air that make flight possible (e.g., air takes up space, has mass, expands, can exert a force when compressed) ? If you need a refresher, take a look at what Bill Nye has to say about the properties of air and hot air balloons.
(Time 2:20min to 3:27min)
As per the Ontario Curriculum: identify the properties of air that make flight possible (e.g., air takes up space, has mass, expands, can exert a force when compressed)
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