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ELECTRICITY

  •  English    14     Public
    facts about electricity
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  • Electricity will only travel around a circuit that is complete. That means it has no gaps.
    FALSE
    TRUE
  •  15
  • You can use a switch in a circuit to create a gap in a circuit. This can be used to switch it on and off.
    TRUE
    FALSE
  •  20
  • Atoms are made up of three particles known as protons, neutrons and electrons.
    TRUE
    FALSE
  •  25
  • Which object is an electrical insulator?
    plastic bottle
    metal paperclip
    copper wire
  •  25
  • Which kind of material let electricity flows through it?
    conductor
    connector
    insulator
  •  25
  • Which would be the best material to make a wire?
    rubber
    wood
    copper
  •  25
  • Touching a conductor in a circuit is very dangerous because you may get:
    an electric shock
    a new hair style
    very tired
  •  15
  • These appliances convert electricity RESPECTIVELY to:
    MOVEMENT - SOUND - LIGHT - HEAT
    LIGHT - SOUND - MOVEMENT - HEAT
    LIGHT - MOVEMENT - SOUND - HEAT
  •  20
  • Static electricity results from an imbalance between negative and positive charges in objects.
    FALSE
    TRUE
  •  25
  • A proton carries a negative charge (-) and an electron carries a positive charge (+).
    FALSE
    TRUE
  •  15
  • Is this chart CORRECT or INCORRECT?
    INCORRECT
    CORRECT
  •  15
  • What do we call "the flow of negative electrons from one place to another"?
    electricity
    wind
    fire
  •  15
  • which of these is a unit of electrical energy?
    volt
    meter
    kilogram
  •  15
  • In a circuit, what does this symbol represent?
    the battery
    the switch
    the lamp bulb
  •  15