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

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2. 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.






3. Fuel for jets and tractors






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






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






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






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






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






9. 1 Btu = 2.931x10-4 kWh






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






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






12. Peat - formed from plants.






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






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






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






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






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






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






19. 1 Therm = 100000 Btu






20. Soft coal - with the highest energy content






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






22. Soot - sulfur oxides - nitrogen oxides - mercury






23. Energy






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






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






26. Intermediate between hard coal and peat






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






28. Traps formed by folding or faulting of rock layers






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






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






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






32. Fuel for trucks






33. 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.






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






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






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






37. Marine shale - limestone - or oil shale






38. Heat - pressure - dearth of oxygen






39. A mixture of of hydrocarbons and organic compounds






40. Oil with little or no sulfur






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






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






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






44. For heating - cooking - and making plastics






45. 125000 Btu per gallon






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






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






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






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