APES CROSSWORD UNIT 6

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Across
  1. 1. A system of capturing energy from sunlight and converting it directly into electricity
  2. 7. Nuclear fuel that can no longer produce enough heat to be useful in a power plant but continues to emit radioactivity
  3. 8. an energy source with a finite supply, primarily fossil fuels and nuclear fuels
  4. 11. Source that is either potentially renewable or nondepletable
  5. 14. A reaction that occurs when lighter nuclei are forced together to produce heavier nuclei
  6. 18. A power plant that uses both exhaust gases and steam turbines to generate electricity
  7. 24. The ability of a material to absorb and store heat energy
  8. 25. The process of removing more than is replaced by growth, typically used when referring to carbon
  9. 27. Construction designed to take advantage of solar radiation without active technology
  10. 28. Billing system used by some electric companies in which customers pay higher rates as their use goes up
  11. 29. A network of interconnected transmission lines to joins power plants together and links them with end users of electricity
  12. 30. The process of converting solid carbon into liquid fuel
  13. 31. The implemenetation of methods to use less energy
  14. 32. A nuclear reaction in which a neutron strikes a relatively large atomic nucleus, which then splits into to or more parts, releasing additional neutrons and energy in the
  15. 37. Cannot be used up
  16. 42. A cylindrical tube that encloses nuclear fuel within a nuclear reactor
  17. 43. Energy captured from sunlight with intermediate technologies
  18. 45. The use of a single fuel to generate electricity and to produce heat
  19. 46. Energy source that can be regenerated indefinitely as long as it is not overharvested
  20. 47. A cylindrical device inserted between the fuel rods in a nuclear reactor to absorb excess neutrons and slow or stop fission reaction
  21. 48. The fraction of time a power plant operates in a year
  22. 49. A degraded petroleum that forms when petroleum migrates to the surface of the Earth and is modified by bacteria; also called tar or pitch
  23. 50. formedprimarily from the remains of trees, ferns, and other plant materials preserved 280 million to 360 million years ago
Down
  1. 2. A bell shaped curve representing oil use and projecting both when world oil production will reach a maximum and when we will run out of oil
  2. 3. Device with blade that can be turned by water, wind steam, etc, from combustion that turns a generation in an electicity producing plant
  3. 4. Liquid petroleum removed from the ground
  4. 5. Electricity generated by water
  5. 6. Energy generated from kinetic energy of moving air
  6. 9. A vehicle that runs on wither gasoline or ethanol
  7. 10. Energy that comes from the movement of water driven by the pull of the moon
  8. 12. A diesel substitute produced by extracting and chemically altering oil from plants
  9. 13. The accumulation of sediments on the bottom of a reservior
  10. 15. The greatest quantity of energy used at any one time
  11. 16. Carbon in fossil fuels
  12. 17. Oil sands, crude bitumen, or more technically bituminous sands, are a type of unconventional petroleum deposit
  13. 18. A unit of measure for radiation; 1 curie = 37 billion decays per second
  14. 19. An activity that does not change atmospheric CO2 concentration
  15. 20. A fuel derived from biological material that became fossilized millions of years ago
  16. 21. Storage of water in a reservior behind a dam
  17. 22. Fossil fuel occurring underground deposits, composed of liquid mixture of hydrocarbons, water and sulfur
  18. 23. Fuel derived from radioactive materials that give off energy
  19. 26. Hydroelectivity generation in which water is retained behind a low dam or no dam
  20. 33. The energy per unit of gross domestic product
  21. 34. Unit that measures the rate at which a sample of radioactive material decays (1Bq=decay of 1 atom or nucleus per second)
  22. 35. Liquid fuel created from processed or refined biomass
  23. 36. In reference to an electricity generating plant, the maximum electrical output
  24. 38. of heat
  25. 39. Carbon in biomass that was recently in the atmosphere
  26. 40. Alcohol made by converting starches and sugars from plant material into alcohol and CO2
  27. 41. The point at which half the total known oil supply is used up
  28. 44. Something that can move and deliever energy in a convienent, usable form to end users