solar-eneegy-56

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Across
  1. 2. The energy that holds protons and neutrons together in the nucleus of the atom. (17.4)
  2. 6. The practice of digging shafts deep into the ground to find and remove a mineral. (17.2)
  3. 8. Energy that an object has due to motion – Energy in action. (17.1)
  4. 12. An energy source that is readily available or that can be replaced in a relatively short amount of time. (17.1)
  5. 14. Generates electricity by controlled fission reactions in power plants. (17.4)
  6. 16. Energy An energy resource that cannot be replaced in a relatively short amount of time. (17.1)
  7. 17. the splitting of the atom that creates the reaction that drives the release of nuclear energy in power plants. (17.3)
  8. 18. Conditions in which the fuel rods produce so much heat that they melt. (17.4)
  9. 19. Consist of the gas methane mixed in with other amounts of gases. (17.2)
Down
  1. 1. An expression of how much of the energy put into a system does useful work. (17.1)
  2. 3. The extraction of a mineral by removing a strip of layer of soil and rock on top of the mineral deposit. (17.2)
  3. 4. Radioactive material left over from production of energy and other processes. (17.4)
  4. 5. Energy that an object has because of its position or shape – Energy that is stored. (17.1)
  5. 7. Or oil, is a dark, liquid fossil fuel made up mostly of hydrocarbons. (17.2)
  6. 9. The process in which fuels burns because it combines rapidly with oxygen. (17.1)
  7. 10. A carbon-containing fuel formed over millions of years from the remains of living things. (17.2)
  8. 11. The practice of reducing energy use to prolong the supply of fossil fuels. (17.3)
  9. 13. to do work or cause a change. (17.1)
  10. 15. Energy made available by the flow of an electric charge. (17.1)