1. Measuring Electricity

2. What do you know? Electricity Electricity Energy/Saving Energy Energy/Saving Energy

3. Electricity Where does electricity come from? Where does electricity come from? 49% coal, 20% natural gases, 19.4% nuclear, 7% hydroelectric, 3% oil, 2.3% other gases, 0.4% other renewables, 0.3% other49% coal, 20% natural gases, 19.4% nuclear, 7% hydroelectric, 3% oil, 2.3% other gases, 0.4% other renewables, 0.3% other Watt Watt Used in electric measurements, to give the rate at which energy is usedUsed in electric measurements, to give the rate at which energy is used 1,000 watts=1 kilowatt1,000 watts=1 kilowatt How many watts do you think each of these devices use?How many watts do you think each of these devices use?

4. Energy/Saving Energy Energy Energy The ability to do work or the ability to move an object How to Save Energy How to Save Energy When your cell phone is done charging unplug the charger from the wall Compact florescent light bulbs Use products with Energy Star label Don’t leave water running

5. Kill A Watt This device is used to act as a meter going between the item that draws power and the power source This device is used to act as a meter going between the item that draws power and the power source To use the Kill A Watt To use the Kill A Watt Plug the Kill a Watt into a wall socketPlug the Kill a Watt into a wall socket Insert the plug for the electric device you want to testInsert the plug for the electric device you want to test Press the grey Watt button and write down the power readingPress the grey Watt button and write down the power reading Converting to kilowattsConverting to kilowatts kW= Watt/1000 kW= Watt/1000 Converting to cost per dayConverting to cost per day Cost=kW x 24 x 0.11 Cost=kW x 24 x 0.11

6. DeviceWattsOnkWOnCostOnWattsOffkWOffCostOff Fan Radio Cell Laptop Microwave Refrigerator Measuring Electricity Table

7. Graphing Example Device Cost per year