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Lesson overview:Energy in the home

  • Understand the use of the kilowatt hour as a unit
  • Calculate how much energy electrical devices transfer based on their power rating and the time of operation
  • Understand the use of the kilowatt hour as a unit
  • Calculate how much energy electrical devices transfer based on their power rating and the time of operation

Power is the rate at which energy is transferred. Electricity is the flow of electrical power. Watts is a unit of power.

Equipment Required

Calculator