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Floating and Sinking: Hot Air Balloons

Grades: 6-12
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It makes sense that a balloon filled with a lightweight gas such as helium would float when surrounded by heavier air. But why does ...

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Benchmarks for Science Literacy
NSTA National Science Education Standards


NOVA: "Balloon Race Around the World"

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This resource can be found on the NOVA: "Balloon Race Around the World" website. 

Project Credits

Contributor: WGBH Educational Foundation-grayscale

Funder: National Science Foundation-grayscale

Producer: WGBH Educational Foundation-grayscale