BBC Learning Zone Clips

CLIP 10596

An introduction to electricity

An introduction to electricity
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Key Info
  • An introduction to electricity
  • Duration: 02:43
  • Electricity is described as the flow of electrons, which is named as current. The analogy used is carts racing around a track. Conductors are described as substances which allow electrons to flow through them. Insulators are described as substances in which electrons can't flow. The workings of a light bulb are explained but resistance is not mentioned.
  • Subject:

    Science

       Topic:

    Phys: Electricity - Circuits

  • Keywords: electricity, current, electron, conductor, insulator
Ideas for use in class
  • To introduce electricity at 11-14 or review at 14-16.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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