Energy

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Across
  1. 2. the ability to do work and cause a change
  2. 3. the splitting of an atoms nucleus into two smaller nuclei
  3. 5. a dark, liquid fossil fuel made up of mostly hydrocarbons
  4. 8. leftover radioactive material
  5. 9. rock filled with a mixture of hydrocarbons
  6. 10. chemical compounds that are derived from oil and used to make products
  7. 15. typically the practice of digging shafts deep into the ground to find and remove a mineral
  8. 16. the practice of reducing energy use to meet those goals
  9. 18. the process in which fuel burns because it combines rapidly with oxygen
  10. 20. the energy that an object has due to its motion
  11. 21. nearly always available or replaced in a relatively short time
Down
  1. 1. generates electricity by controlled fission reactions
  2. 2. an expression of how much of the energy actually does useful work
  3. 4. small nuclei of lightweight elements are forced together to form a heavier nucleus
  4. 6. the energy that holds these particles together in the nucleus
  5. 7. energy made available by the flow of an electric charge
  6. 11. an ice like solid that consists of molecules of methane within a crystal network of water molecules
  7. 12. when sulfide minerals in exposed rock surfaces react with oxygen and rainwater to produce sulfuric acid
  8. 13. the extraction of a mineral by removing a strip of the layers of soil and rock on top of a mineral deposit
  9. 14. energy an object has because of its position or shape
  10. 17. energy cannot be replaced
  11. 19. when fuel rods produce so much heat that they melt