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Unit 6- Electricity

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  • Amina was helping her parents clean the house. She saw a fan with a damaged wire showing metal. The fan was switched on, and her hands were wet when she touched the wire. What 3 factors caused this to happen?
    She has a sweaty hands. The fan was switched on and she touched the worn out wire.
  • What is an insulator?
    An object that DOES NOT allow electricity to flow freely
  • Objects made of ____________ are used as conductors.
    metal
  • Give examples of materials that good insulator.
  • Amina was helping her parents clean the house. She saw a fan with a damaged wire showing metal. The fan was switched on, and her hands were wet when she touched the wire. What happened to Amina when she touched the wire?
    She will get an electric shock
  • Name a liquid that conducts electricity.
    Saltwater/Tapwater
  • Would this be a conductor or an insulator? Why?
    Conductor, because it's metal!
  • What are the components of circuit?
    cell, cell holder, lamp, lamp older, wire
  • What type of water does not conduct electricity
    Pure water/distilled water
  • Why is rubber good to use around a wire?
    It is an insulator, it does not allow electricity to pass through it.
  • Does pure water conduct electricity? Why?
    No, because it has no salt dissolved in it.
  • What is a conductor?
    An object that allows electricity to flow freely.
  • A unit to measure the strength of electricity.
    Volt
  • If main electricity flow through your body, you will get an ________.
    electric shock
  • Why are metal wires covered in a rubber coating?
    Because rubber is an insulator
  • Appliances like microwave ovens, electric kettles and power drills use __________ electricity.
    Main electricity
  • Give examples of materials that are conductor.
  • Why are insulators important in an electrical circuit?
    They make the circuit safe to touch. Insulator does not allow electricity to pass through.