A small house uses two lamps Both lamps
A small house uses two lamps. Both lamps have 60 -watt incandescent light bulbs which are used 3 hours a day. The family watches 2 hours of television. The HD television uses 200 watts per hour. Finally, they run the ceiling fan in the living room while watching 2 hours of television. It uses 90 watts per hour. The cost per k. Wh hour is $0. 105 or 10. 5 cents. Calculate the yearly bill for all appliances Use the formula below to calculate energy of individual appliances: § Step 1: (watts)(hours used per day)(365 days) = _____ total k. Wh used 1000 § Step 2: (total k. Wh used) (price per k. Wh) = _______
Energy
• Energy from the Moon • Consequences of Energy • Read your article (5 min) • Be prepared to discuss the contents of your article with the half of the class who have your article (7 min) • Be prepared to share the information in your article and your discussion points with the half of the class that does not (10 min) *Take any notes you feel are necessary on the back of your Do Now
§ Potential Energy § Nonrenewables § Kinetic Energy § Renewables § 1 st Law of Thermodynamics § ROI § 2 nd Law of Thermodynamics § Energy Crisis § Entropy § Coal § Power (W) § Petroleum § Energy (J) § Natural Gas § Chemical Energy § Hydraulic Fracking § Electricity § Peak Oil § Dimensional Analysis § Hubbert Curve
§ Chernobyl § Thorium (LFTRs) § Fukushima § Energy Conservation § 3 Mile Island § Energy Efficiency § Fission § CAFE Standards § Fusion § Hydroelectric § U-235 § Biomass § Fuel Rod § Wind § Control Rod § Solar (Active & Passive) § Half-Life (Radioactive Decay) § Geothermal § Light Water Reactors § Hydrogen
If drilling in the Arctic National Wildlife Refuge produces 60 billion gallons of oil and the United States uses 30 million gallons per day, how many days could U. S. oil needs be supplied by ANWR? § Show your work § Use scientific notation § No calculators
§ Take out one sheet of loose leaf paper § No notes § No talking § Label ALL of your answers § You have 22. 5 minutes
- Slides: 7