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Electricity Grade 4

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  • Our homes are wired in ________circuits (series or parallel).
    parallel
  • Insulators allow the electrons to flow through and make electricity (true or false).
    False
  • Electricity is the flow of __________________
    electrons
  • Iron is an insulator (true or false)
    False
  • Electrons have a ___________________ charge. (negative or positive)
    negative
  • How many connections are needed on the light bulb to make an electric circuit?
    two
  • Do electrons flow from the negative side or from the positive side of the cell?
    negative side
  • What does a switch do in an electrical circuit?
    Stop or start the flow of electrons; control the flow of electrons.
  • What 3 things do you need to make a circuit?
    conductor (wire), power source (cell, batteries) , electrical device (light
  • An example of a conductor is ________________.
    Paper clips, things made out of metal etc.
  • A cell is the same thing as _________________
    One battery
  • Atoms are made of protons, neutrons and ____________________.
    electrons
  • Wood is a conductor (true or false).
    False
  • The cord in the classroom is wrapped with a conductor on the outside (true or false).
    false
  • An example of an insulator is ______________.
    plastic, wood, styrofoam etc.
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