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Science
Changing circuits

Starter quiz

  • What is the unit used to measure the electrical push provided by a cell or battery?
    What is the unit used to measure the electrical push provided by a cell or battery?
    • cm
    • newtons
    • volts  ✓
    • kg
  • Cells with a lower <span class="blank">______</span> provide a weaker electrical push to a circuit.
    Cells with a lower ______ provide a weaker electrical push to a circuit.
    • 'voltage' ✓
  • How can you decrease the voltage of a circuit?
    • increae the number of cells
    • change the cells  ✓
    • decrease the number of cells  ✓
    • change the position of the cells
  • How does decreasing the voltage of the cell affect the brightness of a bulb in a circuit?
    How does decreasing the voltage of the cell affect the brightness of a bulb in a circuit?
    • nothing
    • gets brighter
    • gets dimmer  ✓
  • What might happen if the voltage is too high in a circuit?
    • the bulb will may get dimmer
    • the bulb may blow or burn out  ✓
    • the switch may stick
    • the wires may vibrate
  • What is the unit used to measure light with a light sensor?
    • lax
    • lox
    • lux  ✓
    • lex
    • lix
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