Unit 6: Energy Resources and Consumption

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Across
  1. 2. Liquid fuel created from processed or refined biomass.
  2. 10. An energy source that cannot be used up.
  3. 11. A fossil fuel that occurs in underground deposits, composed of a liquid mixture of hydrocarbons, water, and sulfur.
  4. 12. A degraded petroleum that forms when petroleum migrates to the surface of Earth and is modified by bacteria.
  5. 16. The energy use per unit of gross domestic product.
  6. 17. The fraction of time a power plant operates in a year.
  7. 20. An energy source gathered by individuals for their own immediate needs.
  8. 21. Liquid petroleum removed from the ground.
  9. 25. Energy that comes from the movement of water driven by the gravitational pull of the Moon.
  10. 27. energy resource An energy source with a finite supply, primarily the fossil fuels and nuclear fuels.
  11. 29. In energy management, an energy source that is either potentially renewable or nondepletable.
  12. 30. A power plant that uses both exhaust gasses and steam turbines to generate electricity.
  13. 31. A device with blades that can be turned by water, wind, steam, or exhaust gas from combustion that turns a generator in an electricity-producing plant.
  14. 35. An efficient, self-regulating electricity distribution network that accepts any source of electricity and distributes it automatically to end users.
  15. 39. Construction designed to take advantage of solar radiation without active technology.
  16. 40. Something that can move and deliver energy in a convenient, usable form to end users.
  17. 41. A billing system used by some electric companies in which customers pay higher rates as their use goes up.
  18. 42. The process of converting solid coal into liquid fuel.
  19. 45. The greatest quantity of energy used at any one time.
  20. 46. An energy source that is bought and sold.
  21. 47. A nuclear reaction in which a neutron strikes a relatively large atomic nucleus, which then splits into two or more parts, releasing additional neutrons and energy in the form of heat.
  22. 48. A unit of measure for radiation; 1 curie = 37 billion decays per second.
  23. 49. Fuel derived from radioactive materials that give off energy.
  24. 50. Nuclear fuel that can no longer produce enough heat to be useful in a power plant but continues to emit radioactivity.
Down
  1. 1. Unit that measures the rate at which a sample of radioactive material decays; 1 Bq = decay of 1 atom or nucleus per second.
  2. 3. Carbon in fossil fuels.
  3. 4. The use of a fuel to generate electricity and produce heat. Also known as combined heat and power.
  4. 5. A cylindrical device inserted between the fuel rods in a nuclear reactor to absorb excess neutrons and slow or stop the fission reaction.
  5. 6. An energy source with a finite supply, primarily the fossil fuels and nuclear fuels.
  6. 7. In reference to an electricity-generating plant, the maximum electrical output.
  7. 8. A fuel derived from biological material that became fossilized millions of years ago.
  8. 9. A diesel substitute produced by extracting and chemically altering oil from plants.
  9. 13. Carbon in biomass that was recently in the atmosphere.
  10. 14. A fuel derived from biological material that became fossilized millions of years ago.
  11. 15. The storage of water in a reservoir behind a dam.
  12. 18. Alcohol made by converting starches and sugars from plant material into alcohol and CO2.
  13. 19. Hydroelectricity generation in which water is retained behind a low dam or no dam.
  14. 22. A cylindrical tube that encloses nuclear fuel within a nuclear reactor.
  15. 23. A network of interconnected transmission lines that joins power plants together and links them with end users of electricity.
  16. 24. A solid fuel formed primarily from the remains of trees, ferns, and other plant materials preserved 280 million to 360 million years ago.
  17. 26. The process of removing more than is replaced by growth, typically used when referring to carbon.
  18. 28. Finding and implementing ways to use less energy.
  19. 32. An activity that does not change atmospheric CO2 concentrations.
  20. 33. An energy source that can be regenerated indefinitely as long as it is not overharvested.
  21. 34. A property of a building material that allows it to maintain heat or cold.
  22. 36. Electricity generated by the kinetic energy of moving water.
  23. 37. A vehicle that runs on either gasoline or a gasoline/ethanol mixture.
  24. 38. A reaction when lighter nuclei are forced together to produce heavier nuclei.
  25. 43. Slow-flowing, viscous deposits of bitumen mixed with sand, water, and clay.
  26. 44. Fuel derived from radioactive materials that give off energy.