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Science
Simple electrical circuits

Starter quiz

  • Who should investigate problems with electricity and electrical appliances?
    Who should investigate problems with electricity and electrical appliances?
    • anyone
    • any adult
    • a mechanic
    • an electrician  ✓
  • Which of these rules should you follow when using electricity and electrical appliances?
    Which of these rules should you follow when using electricity and electrical appliances?
    • Use electrical appliances in bathrooms.
    • Leave plug sockets off when not in use.  ✓
    • Keep electrical cables tidy.  ✓
    • Keep a drink near appliances to stay hydrated.
  • Why won’t this circuit work?
    Why won’t this circuit work?
    • the wires are broken
    • the wires are both connected to the same end of the cell  ✓
    • the bulb is connected the wrong way round
  • What do you call an electrical circuit where all the components are correctly connected and there are no gaps in the loop?
    • looped
    • total
    • complete  ✓
    • whole
  • What is a device?
    • a component which supplies power to a circuit
    • a component which links other components in a circuit
    • a component that needs electricity to work and is made for a particular purpose  ✓
  • Which of these circuits won’t work because the buzzer is connected the wrong way?
    • A. The positive connector is connected closest to the positive end of the cell.
      A. The positive connector is connected closest to the positive end of the cell.
    • B. The negative connector is connected closest to the positive end of the cell.
      B. The negative connector is connected closest to the positive end of the cell.  ✓
    • C. Both wires are connected to the same end of the cell.
      C. Both wires are connected to the same end of the cell.
    • D. There is no wire connecting the buzzer's negative connector to the cell.
      D. There is no wire connecting the buzzer's negative connector to the cell.
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