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Fossil Fuels. Definition of Fossil Fuel. Organically derived sedimentary rocks and rock products that can be burned for fuel Coal, petroleum, natural gas Oil shale, tar sands, heavy oils, peat. Energy Quiz. 1. The U.S.A.’s largest fossil fuel resource is in the form of A. Coal B. Oil
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Definition of Fossil Fuel • Organically derived sedimentary rocks and rock products that can be burned for fuel • Coal, petroleum, natural gas • Oil shale, tar sands, heavy oils, peat
Energy Quiz • 1. The U.S.A.’s largest fossil fuel resource is in the form of • A. Coal • B. Oil • C. Natural Gas • D. Peat
Energy Quiz • The world’s largest known oil reserves are in what country? • A. Iraq • B. Iran • C. China • D. Saudi Arabia
Energy Quiz • OPEC stands for what? • Oil Producing and Exporting Countries
Energy Quiz • The U.S. has already, or has not, reached its peak of production of oil for all time? • Yes • No http://www.eia.doe.gov/emeu/aer/ep/ep_frame.html
Energy Quiz • The U.S. imports about ______% of the oil used in the U.S. • 0, 15, 25, 35, 55, 65, 75
Energy Quiz • From 2002 to 2006, U.S. imports have increased from 54.45% to 60% but has decreased to 57% in 2008 • Data from EIA site
Energy Quiz • The energy generated by power plants amounts to about 35, 50, 65, or 80% of the energy contained in the fuel used?
Energy Quiz • In 2005, we used 1,051,177,479 short tons of coal to produce 2,014,172,634,000 kwh of electricity. • We need to convert into the same units, and when we do, coal is 28% efficient; natural gas about 39%
Energy Quiz • American nuclear power plants use/do not use a form of renewable energy? • U is non-renewable
Energy Quiz • China’s chief source of energy is • A. coal • B. oil • C. natural gas • D. peat
Energy Units • Joule: electrical energy needed to maintain 1 ampere for 1 second at a potential of 1 volt • Calorie: energy needed to raise 1 gm of water 1 °C • BTU: energy needed to raise 1 # of water 1 °F • Watt: 1 joule/second
Power • Rate at which energy is used • It is time dependent • Horsepower: In 1776, James Watt measured the power of his steam engine versus the power of his horse
Energy Consumption • World • U.S.