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






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






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






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






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






6. 1 Therm = 100000 Btu






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






8. Fuel for cars






9. Generate electricity - produce steel - plastics - synthetic fibers - fertilizers - and medicines






10. Structural traps and stratigraphic traps






11. Under layers of sedimentary rock like limestone and shale - and over sandstone.






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






14. 1 Btu = 2.931x10-4 kWh






15. Intermediate between hard coal and peat






16. Peat - formed from plants.






17. Soot - sulfur oxides - nitrogen oxides - mercury






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






19. 70%-90% methane - and small proportions of ethane - propane - and butane. Some carbon dioxide. Trace amounts of other gases.






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






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






22. 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.






23. 1 Btu = 1055 J






24. Refined natural gas that contains pure methane.






25. Marine shale - limestone - or oil shale






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






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






28. Salt or cemented sandstone






29. Heat - pressure - dearth of oxygen






30. Fuel for jets and tractors






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






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






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






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






35. Soft coal - with the highest energy content






36. For heating - cooking - and making plastics






37. Traps formed by folding or faulting of rock layers






38. 125000 Btu per gallon






39. Oil with little or no sulfur






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






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

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42. The layer of sediment where oil and gas originate.






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






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






45. Fuel for trucks






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






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






48. Energy






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






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