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34 Matching questions

  1. peat
  2. greenhouse effect
  3. ore
  4. fossil fuel
  5. salt dome
  6. hydrocarbon reserve
  7. cement
  8. energy
  9. oil window
  10. reservoir rock
  11. photosynthesis
  12. gas hydrate
  13. meltdown (of nuclear reactor)
  14. tar sand
  15. coalbed methane
  16. oil shale
  17. Kerogen
  18. resource
  19. trap
  20. hydrocarbon
  21. permeability
  22. geothermal energy
  23. porosity
  24. nuclear reactor
  25. nuclear waste
  26. Metal
  27. coal rank
  28. mineral resources
  29. Oil Age
  30. ore deposit
  31. biofuel
  32. coal gasification
  33. coal
  34. energy resource
  1. a An economically significant accumulation of ore.
  2. b The period of human history, including our own, so named because the economy depends on oil.
  3. c In the context of hydrocarbons, a trap is a geologic configuration that accumulates and holds oil underground.
  4. d The narrow range of temperatures under which oil can form in a source rock.
  5. e A supply of useable material.
  6. f The waxy molecules into which the organic material in shale transforms on reaching about 100 ยกC. At higher temperatures, kerogen transforms into oil.
  7. g The minerals extracted from the Earth's upper crust for practical purposes.
  8. h The part of a nuclear power plant where the fission reactions occur.
  9. i The melting of the fuel rods in a nuclear reactor that occurs if the rate of fission becomes too fast and the fuel rods become too hot.
  10. j An energy resource such as oil or coal that comes from organisms that lived long ago, and thus stores solar energy that reached the Earth then.
  11. k Natural gas produced during the diagenesis of coal.
  12. l The trapping of heat in the Earth's atmosphere by carbon dioxide and other greenhouse gases, which absorb infrared radiation; somewhat analogous to the effect of glass in a greenhouse.
  13. m A rising bulbous dome of salt that bends up the adjacent layers of sedimentary rock.
  14. n An organic sedimentary rock formed from plant debris.
  15. o Radioactive materials produced in a nuclear reactor.
  16. p The capacity to do work.
  17. q Shale containing kerogen.
  18. r The degree to which a material allows fluids to pass through it via an interconnected network of pores and cracks.
  19. s Heat and electricity produced by using the internal heat of the Earth.
  20. t The transformation, by human activity, of coal into various gases.
  21. u Sandstone reservoir rock in which less viscous oil and gas molecules have either escaped or been eaten by microbes, so that only tar remains.
  22. v Rock containing native metals or a concentrated accumulation of ore minerals.
  23. w Compacted and partially decayed vegetation accumulating beneath a swamp.
  24. x The total volume of empty space (pore space) in a material, usually expressed as a percentage.
  25. y Rock with high porosity and permeability, so it can contain an abundant amount of easily accessible oil.
  26. z Something that can be used to produce work; in a geologic context, a material (such as oil, coal, wind, flowing water) that can be used to produce energy.
  27. aa An accumulation of accessible oil and gas.
  28. ab A solid composed almost entirely of atoms of metallic elements; it is generally opaque, shiny, smooth, and malleable, and can conduct electricity.
  29. ac A measurement of the carbon content of coal; higher-rank coal forms at higher temperatures.
  30. ad Gas or liquid fuel made from plant material (biomass). Examples of biofuel include alcohol (from fermented sugar), biodiesel from vegetable oil, and wood.
  31. ae A chain-like or ring-like molecule made of hydrogen and carbon atoms; petroleum and natural gas are hydrocarbons.
  32. af The process during which chlorophyll-containing plants remove carbon dioxide from the atmosphere, form tissues, and expel oxygen back to the atmosphere.
  33. ag Mineral material that precipitates from water and fills the spaces between grains, holding the grains together.
  34. ah An ice-like solid consisting of water and methane.