The largest amount of energy use in our homes is from heating and ____________________. 6. The higher the SEER rating of an appliance, the more ______________________ it is. 7. The three nonrenewable fossil fuels are: a. b. c. 8. Petroleum and natural gas form from ancient ___________ and ____________ life that was buried in ocean sediments millions of years ago. 9. Because petroleum and natural gas are mobile and migrate up through rocks, they generally need a structural or stratigraphic _______________ to contain them. 10. A structural trap in the form of an upfold is called an _______________________. 11. Seismic _______________________ helps to identify structural traps underground. 12. There are 42 _____________________ in a barrel of oil. 13. Depending on the type of oil, roughly about ½ of a barrel can be refined into ____________________. 14. Crude oil is heated to very high temperatures and then allowed to condense into different liquids as it is slowly cooled in a process known as ___________________________________. 15. The price of oil is largely controlled by the Organization of Petroleum Exporting Countries, otherwise known as ______________________. 16. The U.S. imports the largest percent of its oil from ________________________. 17. In the first ½ of 2011 ExxonMobil paid more in _____________ than it made in profits. 18. Which U.S. state produces the most crude oil? _________________________ 19. The largest supply of natural gas is found in the _____________________________ 20. A natural gas formation located about a mile below Fort Worth is the _____________________Shale. 21. To extract oil and gas from otherwise impermeable (tight) formations, and make a profit doing so, typically requires ___________________________ drilling and _______________________ (fracturing the rocks). 22. Coal is formed from plant debris that accumulates in anoxic waters such as a _________________. 23. If peat is considered pre-coal material, the four grades of coal that form from increased burial are: a. b. c. d. 24. Coal can be mined underground, or on the surface in an open pit or by ____________ mining. 25. Strip mining requires first removing the _____________________ then replacing it after the coal has been mined. 26. Which country has the largest proven reserves of coal? __________________________________ 27. Most coal in the U.S. is either __________________________ or __________________________. 28. Burning coal is mostly used to generate ________________________________. 29. ___________________ has large deposits of oil (tar) sands. 30. The U.S. contains a large supply of oil shale in a formation called the ______________ River Shale. 31. The nuclear reactor located near DFW in Glen Rose is called Comanche ____________. 32. Nuclear reactors require a specific isotope of uranium known as Uranium-___________. 33. One concern with generating electricity using nuclear energy is deposing of the radioactive __________. 34. Gas hydrates are a mixture of natural gas and ice found on the ocean floor and in permanently frozen ground called __________________________. 35. The byproduct of burning ________________ fuels is CO2, known as carbon dioxide. 36. Carbon dioxide allows solar energy to pass through the atmosphere to warm the earth, but the wavelengths the earth emits are scattered and do not easily pass back out of the atmosphere. This is the reason carbon dioxide is called a __________________________ gas. 37. Name a country whose carbon dioxide emissions have been lowering over the last decade. __________ 38. Name a country that produces more carbon dioxide than the U.S. ______________________ 39. What two sectors of the U.S. economy is most CO2 generated? a. b. 40. Which region (NE, SE, NW, SW) of the U.S. is best suited for generating electricity using solar power? _________ 41. Which state is #1 in generating electricity using wind power? ________________ 42. Wind and solar are both clean and renewable forms of enegy, but because the wind doesn’t always blow and the sun doesn’t always shine
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