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CSET Earth Resources Fossil Fuels

Subjects : cset, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Natural gas that has been compressed and stored at very high pressure in strong containers.






2. A type of sedimentary rock that - when heated - releases hydrocarbons.






3. Unrefined oil. May appear thick and brown or black - or clear.






4. Sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans






5. The ratio of the energy return to the energy invested.






6. A mixture of of hydrocarbons and organic compounds






7. Raw material in the production of pain and fertilizer - steel - glass - paper - and other products.






8. Reserves that are not as well known or characterized as proved reserves






9. Natural gas that exists in other forms - making it more difficult to extract.






10. Heat - pressure - dearth of oxygen






11. Natural gas that has been cooled to a liquid to store and transport.






12. Water or gas is injected into the reservoir to increase the pressure - bringing the oil to the surface. Begins when the oil no longer rises naturally to the surface. Accounts for 15-45% of the supply.






13. Length of time global natural gas supply is expected to last.






14. A mixture of hydrocarbons found in naturally occurring underground reservoirs






15. Source rock under a reservoir bed - under a trap.






16. For lubricating motors






17. Marine shale - limestone - or oil shale






18. Intermediate between hard coal and peat






19. 1 Btu = 1055 J






20. An arch of stratified rock - an important geological feature that may be associated with reserves of oil - a type of structural trap.






21. Fraction of California's total energy requirements provided by natural gas

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22. Peat - formed from plants.






23. Crude oil that contains a mixture of hydrocarbons that are relatively dense






24. Soft coal - with the highest energy content






25. Natural gas that flows to the surface from an underground reservoir when a well is dug.






26. Phytoplankton and zooplankton that accumulated in marine sediments beginning 300 million years ago






27. Consist of clay - sand - water and bitumen - a type of oil.






28. 1 Therm = 100000 Btu






29. The quantity of oil (or other energy resource) that exists and can be recovered under current operating and economic conditions.






30. An emergency supply of crude oil created by the US government following the oil embargo of 1973-1974. Contains more than 700 million barrels.






31. 22% of energy consumed in the U.S. comes from the burning of natural gas.






32. A layer of cap rock that confines the oil and gas - must be impermeable.






33. The process of drilling for oil and pumping it out. Accounts for 5-15% of the supply.






34. Remaining oil is made more fluid so as to bring it up more easily. Brings up another 5-15% of the supply - but is much more costly.






35. Fuel for jets and tractors






36. Refined natural gas that contains pure methane.






37. Reserves that can reasonably be expected to exist based on geological evidence and projections from proved reserves.






38. Coal is converted to a gas - making it easier to remove impurities.






39. Formed by changes in rock type or sedimentary features that create a space where hydrocarbons are confined by impermeable layers






40. Fuel for cars






41. 70%-90% methane - and small proportions of ethane - propane - and butane. Some carbon dioxide. Trace amounts of other gases.






42. For heating - cooking - and making plastics






43. Oil with little or no sulfur






44. Cubic feet - volume - used when gas is at normal temperature and pressure - Dollars per volume in cubic feet - price






45. Methane produced by the action of microorganisms on waste in landfills






46. Soot - sulfur oxides - nitrogen oxides - mercury






47. Burns coal at lower temperatures - reducing the production of nitrogen oxides - and making it easier to remove sulfur oxides.






48. Energy to raise the temperature of 1 lb of water by 1 degree F at 1 atm.






49. 125000 Btu per gallon






50. Fuel for trucks







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