chapter 17 crossword puzzle (rachel r)

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Across
  1. 2. Icelike solid consisting of molecules of methane within a crystal network of water molecules
  2. 3. The energy released during nuclear fusion/fission, especially when used to generate electricity
  3. 5. A liquid mixture of hydrocarbons that are present in certain rocks and can be extracted
  4. 7. Radioactive waste material, for example from the use or reprocessing of nuclear fuel
  5. 8. The process in which a fuel burns because it combines rapidly with oxygen
  6. 11. Reducing the energy consumption by using less energy
  7. 13. Energy an object has due to its motion
  8. 17. Nearly always available somewhere on the earth's surface, or replaced in a short time
  9. 20. The ability to do work or cause a change
  10. 22. An expression of how much of the energy put into a system actually does useful work
Down
  1. 1. A type of mining where layers of surface soil and rock are removed from large areas to expose the resource
  2. 4. Energy an object has due to its position or shape
  3. 6. Energy made available by the flow of an electric charge; secondary source of energy
  4. 9. Formal term for a severe nuclear reactor accident that results in core damage from overheating
  5. 10. Energy that is irreplaceable
  6. 12. A deposit of loose sand or partially consolidated sand stone containing petroleum or other hydrocarbons
  7. 14. A fine grained sedimentary rock from which oil can be extracted
  8. 15. Refers to the overflow of acidic water from metal mines or coal mines
  9. 16. Type of mining where vertical shafts are dug deep into the ground and networks of tunnels are dug
  10. 18. Splitting of an atom's nucleus into two smaller nuclei
  11. 19. A nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
  12. 21. An apparatus or structure with fissile material can be made to undergo controlled, self-sustaining nuclear reaction