In this video segment adapted from ZOOM, cast members make their own hovercraft and demonstrate how the air leaking out of a balloon can make a plastic plate hover above a table. Experiment instructions are also available in a PDF document. [3:31]

Concepts

friction, lift, propulsion

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Additional Tags

air power, hovercraft, reducing fiction, using air as lubricant, pbs learningmedia: air power: making a hovercraft, teachers' domain, wgbh

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)