Unit 6 Key Terms Crossword Puzzle

Edit Answers
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950
Across
  1. 2. Finding and implementing ways to use less energy
  2. 5. A cylindrical tube that encloses nuclear fuel within a nuclear reactor
  3. 6. Slow flowing, viscous deposits of bitumen mixed with sand, water, and clay
  4. 8. Liquid fuel created from processed or refined biomass
  5. 9. The technology to convert solid coal into liquid fuel
  6. 12. The process of removing more than is replaced by growth, typically used when referring to carbon
  7. 14. The use of a fuel to generate electricity and produce heat
  8. 16. A degraded petroleum that forms when petroleum migrates to the surface of Earth and is modified by bacteria
  9. 18. A reaction that occurs when lighter nuclei are forced together to produce heavier nuclei
  10. 20. In energy management, an energy source that is either potentially renewable or nondepletable
  11. 21. A network of interconnected transmission lines that joins power plants together and links them with end users of electricity
  12. 22. A diesel substitute produced by extracting and chemically altering oil from plants
  13. 24. Carbon in fossil fuels
  14. 27. A bell shaped curve representing oil use and projecting both when world oil production will reach a maximum and when the world will run out of oil
  15. 29. Renewable An energy source that can be regenerated indefinitely as long as it is not overharvested
  16. 34. In reference to an electricity generating plant, the maximum electrical output
  17. 35. An energy source that cannot be used up
  18. 36. The point at which half the total known oil supply is used up
  19. 38. Energy that comes from the movement of water driven by the gravitational pull of the Moon
  20. 40. A widely used fossil fuel that occurs in underground deposits, composed of a liquid mixture of hydrocarbons, water, and sulfur
  21. 42. Liquid petroleum removed from the ground
  22. 43. Alcohol made by converting starches and sugars from plant material into alcohol and c02
  23. 44. A unit of measure for radiation
  24. 45. An energy source that is bought and sold
  25. 46. An energy source with a finite supply, primarily the fossil fuels and nuclear fuels
  26. 47. Construction designed to take advantage of solar radiation without active technology
  27. 48. Energy captured from sunlight with advanced technologies
  28. 50. An activity that does not change atmospheric c02 concentrations
Down
  1. 1. Nuclear fuel that can no longer produce enough heat to be useful in a power plant but continues to emit radioactivity
  2. 3. Fuel derived from radioactive materials that give off energy
  3. 4. The greatest quantity of energy used at any one time
  4. 5. 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
  5. 7. A power plant that uses both exhaust gases and steam turbines to generate electricity
  6. 10. Unit that measures the rate at which a sample of radioactive material decays
  7. 11. The energy use per unit of gross domestic product
  8. 13. Hyrdoelectricity generation in which water is retained behind a low dam or no dam
  9. 15. The storage of water in a reservoir behind a dam
  10. 17. Something that can move and deliver energy in a convenient, usable form to end users
  11. 19. A vehicle that runs on either gasoline or a gasoline/ethanol mixture
  12. 23. A property of a building material that allows it to maintain heat or cold
  13. 25. A system of capturing energy from sunlight and converting it directly into electricity
  14. 26. An energy source gathered by individuals for their own immediate needs
  15. 28. The fraction of time a power plant operates in a year
  16. 30. A billing system used by some electric companies in which customers pay higher rates as their use goes up
  17. 31. The accumulation of sediments, primarily silt, on the bottom of a reservoir
  18. 32. A fuel derived from biological material that became fossilized millions of years ago
  19. 33. Carbon in biomass that was recently in the atmosphere
  20. 37. Electricity generated by the kinetic energy of moving water
  21. 39. A cylindrical device inserted between the fuel rods in a nuclear reactor to absorb excess neutrons and slow or stop the fission reaction
  22. 41. A device that can be turned on by water, steam, or wind to produce power
  23. 49. A solid fuel formed primarily from the remains of trees, ferns, and other plant materials preserved 280 million to 360 million years ago