BBC Learning Zone Clips

CLIP 8448

How do fireworks work?

How do fireworks work?
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Key Info
  • How do fireworks work?
  • Duration: 01:40
  • Presenter Dr Yan explains how a firework works. If a fire needs oxygen to burn, how do rockets work in the vacuum of space? Dr Yan explains how a firework carries its own supply of oxygen in the gunpowder. He relates this to how a rocket works in space, where there is no air - the oxygen must be carried in the rocket fuel. Published as part of the Bang Goes the Theory website: bbc.co.uk/bang/. Please note this clip is only available in Flash.
  • Subject:

    Science

       Topic:

    Changing Materials: Irreversible Change

  • Keywords: chemical reaction, chemistry, nitrate, fuel, safety, BangGoesTheTheory, OuterSpace
Ideas for use in class
  • Pupils could draw labelled diagrams to describe the workings of a firework.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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