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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 flows to the surface from an underground reservoir when a well is dug.






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






3. Structural traps and stratigraphic traps






4. 1 Therm = 100000 Btu






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






6. An industrial fuel - also used to make petroleum products






7. Length of time US coal reserves are expected to last...






8. 1 Btu = 2.931x10-4 kWh






9. A layer of relatively porous and permeable rock in which the oil and gas coming up from the source rock can reside.






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






11. Refined natural gas that contains pure methane.






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






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






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






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






16. Oil with little or no sulfur






17. Energy






18. Intermediate between hard coal and peat






19. Fuel for trucks






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






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






22. For heating - cooking - and making plastics






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






24. Unrefined mixture of methane - ethane - propane - and butane.






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






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






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






28. 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.






29. Fuel for cars






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






31. 70%-90% methane - and small proportions of ethane - propane - and butane. Some carbon dioxide. Trace amounts of other gases.






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






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






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






35. Heat - pressure - dearth of oxygen






36. 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.






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






38. Soft coal - with the highest energy content






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






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






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






42. Natural gas that has been compressed and stored at very high pressure in strong containers.






43. Fuel for jets and tractors






44. Peat - formed from plants.






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

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






47. For lubricating motors






48. 1 Btu = 1055 J






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






50. Traps formed by folding or faulting of rock layers