2.  Phantom Load: The power used by something while turned off Another word for phantom load is standby power

3.  Watt: James Watt100 Watt Light Bulb A unit to measure power that is equal to one joule per second Named after James Watt

4.  Watt Hour: a unit of energy that is equal to 3600 joules or one watt working for one hour  Watt vs. Watt Hour An electric meter labeled by kilowatt hours (1000 watt hours)

5.  Joule: The equation to determine the number of joules a unit of energy that is equal to the force of one Newton through the distance of one meter

6.  Watt Meter: an instrument used for measuring electricity in watts The watt meter that we used

7.  Energy: Electrical Energy Solar Energy Potential Energy the ability to do work

8.  Energy Efficiency: the amount of useful energy available after a conversion occurs Energy star appliances are examples of energy efficient appliances

9.  Energy Conversion: Example: Solar panels convert solar energy to electrical energy changing energy from one form to another