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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. Fuel for cars






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






3. Energy






4. Fuel for jets and tractors






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






6. 22% of energy consumed in the U.S. comes from the burning of natural gas.






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






8. 70%-90% methane - and small proportions of ethane - propane - and butane. Some carbon dioxide. Trace amounts of other gases.






9. Structural traps and stratigraphic traps






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






11. For heating - cooking - and making plastics






12. Peat - formed from plants.






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






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






15. Salt or cemented sandstone






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






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






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






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






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






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






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

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






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






25. 1 Btu = 2.931x10-4 kWh






26. Refined natural gas that contains pure methane.






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






28. 125000 Btu per gallon






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






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






31. A mixture of of hydrocarbons and organic compounds






32. Heat - pressure - dearth of oxygen






33. Oil with little or no sulfur






34. 1 Therm = 100000 Btu






35. Marine shale - limestone - or oil shale






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






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






38. 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.






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






40. 1 Btu = 1055 J






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






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






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






44. 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.






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






46. Fuel for trucks






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






48. Hard coal - with the second highest energy content






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






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