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Science Buddies: Hot-air Balloon

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https://www.youtube.com/watch?v=Ncq9-Sqn0H4

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Up, Up, and Away in Your Own Hot-air Balloon!

Science Fair Project Idea

Have you ever looked up into the sky and seen not a bird, not a plane, but a hot-air balloon? They are definitely amazing and fun to watch! Do you think they are all the same size? Does size affect how long the hot-air balloon can fly? In this science fair project, you will launch hot-air balloons, powered by a toaster, and see how the size of the balloon affects its flight. Read more

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