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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. 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.






3. Energy






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






5. For lubricating motors






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






7. Soft coal - with the highest energy content






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






9. 125000 Btu per gallon






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






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






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






13. 1 Btu = 1055 J






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






15. Hard coal - with the second highest energy content






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

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17. 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.






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






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






20. Marine shale - limestone - or oil shale






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






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






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






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






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






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






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






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






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






30. Refined natural gas that contains pure methane.






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






32. Structural traps and stratigraphic traps






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






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






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






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






37. 22% of energy consumed in the U.S. comes from the burning of natural gas.






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






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






40. Salt or cemented sandstone






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






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






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






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






45. Fuel for jets and tractors






46. Heat - pressure - dearth of oxygen






47. Oil with little or no sulfur






48. 1 Btu = 2.931x10-4 kWh






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






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