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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. Heat - pressure - dearth of oxygen






2. Refined natural gas that contains pure methane.






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






4. Peat - formed from plants.






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






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






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






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






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






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






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






12. Structural traps and stratigraphic traps






13. Hard coal - with the second highest energy content






14. For lubricating motors






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






16. 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.






17. 125000 Btu per gallon






18. A mixture of of hydrocarbons and organic compounds






19. 1 Btu = 1055 J






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

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






22. Oil with little or no sulfur






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






24. 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.






25. 1 Btu = 2.931x10-4 kWh






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






27. Intermediate between hard coal and peat






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






29. 22% of energy consumed in the U.S. comes from the burning of natural gas.






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






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






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






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






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






35. Fuel for jets and tractors






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






37. Marine shale - limestone - or oil shale






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






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






40. Soot - sulfur oxides - nitrogen oxides - mercury






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






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






43. For heating - cooking - and making plastics






44. Energy






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






46. Fuel for trucks






47. 70%-90% methane - and small proportions of ethane - propane - and butane. Some carbon dioxide. Trace amounts of other gases.






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






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






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