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        Part of Kratts Creatures
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        Hot Air Balloons: A Lot of Hot Air | Kratts Creatures

        Learn all about the science behind how hot air balloons work as the Kratt brothers soar above the forest! Viewers learn that the fire used to heat up the air in the balloon becomes hotter than the air outside, causing it to rise. It's all smooth sailing until the brothers realize that there's a hole in the balloon letting the hot air out!

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