sheths Energy Crossword

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Across
  1. 3. A rod made of silver, boron, cadmium, etc used to slow down the rate of fission by absorbing the neutrons
  2. 6. percentage of energy that is actually used to perform work
  3. 8. coal is mainly used for what?
  4. 10. combining two hydrogen nuclei to form a helium nucleus and get the energy produced
  5. 16. a layer of material that traps and stops heat exchange with the outside air
  6. 17. heat from Earth's interior
  7. 18. something that can be replenished in a relatively short amount of time
  8. 19. electricity made form flowing water
  9. 23. breaking apart a uranium nucleus with a neutron to get the energy produced
  10. 24. a non-renewable energy made by harnessing the energy from a uranium nucleus
  11. 26. the process of injecting a highly-pressured liquid into the ground to extract oil or gas
  12. 29. A factory where crude oil is heated and separated into other fuel
  13. 30. when fuel rods generate too much heat that they start to melt
Down
  1. 1. A fuel element used in a reactor vessel to produce heat to power turbines
  2. 2. wood, plant parts, manure, and food wastes that can be used as fuels
  3. 4. something that can't be replenished in a short amount of time. It takes a LONG time to grow back
  4. 5. a machine for producing continuous power in which a wheel or rotor is made to revolve around water, air, gas, etc.
  5. 7. oil is mainly use for what?
  6. 9. coal, oil, and natural gas are all types of what?
  7. 11. light and heat given off from the sun
  8. 12. the use of air flow through wind turbines o mechanically power generator for electric power
  9. 13. the pressure vessel containing the nuclear reactor coolant, fuel rods, and turbine.
  10. 14. compounds made from oil
  11. 15. a large, natural or artificial lake used as a source of water
  12. 20. A substance that provides energy
  13. 21. a gray, dense radioactive metal used as a fuel in nuclear reactors
  14. 22. chemical compounds that have carbon and nitrogen
  15. 25. the act of reducing energy use
  16. 27. a mixture of gasoline and alcohol
  17. 28. the mostly used energy source in the United States