1. Electricity | A Usuable Form of Energy Chapter 16 Notes

2. AP Alignment

3. Basic Definitions Energy | Does things for us… Energy has many forms in two categories – Potential | Stored energy, energy of position – Kinetic | Motion

4. Energy Units to Understand | Comparing Energy Sources British Thermal Unit (Btu) = Energy required to raise 1lb of water 1 o F Wood match = ~1Btu | 1oz gasoline = ~1,000 Btus Watt (W) = measure of electric power a device uses – Power is the rate(time) of doing work A 60 watt light bulb requires 60 watts of electrical energy to provide light Kilowatt is 1,000 watts Kilowatt hour (kWh) = the amount of electricity used in one hour at a rate of 1,000 watts. – A Megawatt is 1,000 kilowatts or 1,000,000 watts – A Gigawatt is 1,000,000,000 watts or 1,000 megawatts – A Terawatt is 1 trillion watts (All humans use 16TW)

5. Energy Units to Understand | Comparing Energy Sources Joule (J) = is the energy expended; or work done – Applying 1 N for 1m – 1 watt of power for 1 sec (Watt-sec, W  s) Calorie (cal) = energy needed to raise 1g of water by 1 o C – Is ~4.18 J Horsepower (hp) = no longer used…watt is now used as of 1/2010 – Is ~750watts

6. Thermodynamics | 1 st and 2 nd Laws

7. Generating Electricity Primitive |Simple Convert water to steam Steam does work on turbine Turbine does work on generator Generator converts movement to electricity http://www.tampaelectric.com/community/education/electricitycreated The more energy form conversions… …the less energy net yield… Thanks to 2 nd Law of Thermodynamics

8. Industrial Revolution | 300 yrs in 300 secs

9. World and US Energy Sources

10. http://www.eia.doe.gov/oiaf/ieo/world.html

13. US Energy Sources US Energy Uses Knowledge is POWER… …What area would you target to improve?  Efficiency  Conservation

14. “If you demand it…they will design it”

17. Our Energy