Energy Crossword

1234567891011121314151617181920212223242526272829
Across
  1. 2. recourses that can't be replaced in a relatively short time
  2. 4. gas that comes naturally from the ground
  3. 7. the percentage of energy that is used to preform work
  4. 10. part of the nuclear reactor where nuclear fission occurs
  5. 11. a machine with turbines used to produce energy
  6. 12. splitting of an atoms nucleus into two smaller nuclei
  7. 14. layer of material that traps air to help block the transfer of heat between the inside and outside of a building
  8. 16. reducing energy use
  9. 19. a substance that provides energy
  10. 20. breaking apart
  11. 21. chemical compounds that contain carbon and hydrogen
  12. 22. a factory in which crude oil is heated and separated into fuels and other products
  13. 27. this happens when the fuel rods start to melt
  14. 28. U-235 rods that the reactor contains
  15. 29. the combining of two atomic nuclei to produce one larger nucleus
Down
  1. 1. compounds made from oil
  2. 3. adding alcohol to gasoline
  3. 4. the central core of an atom that contains the protons and neutrons
  4. 5. energy from the sun
  5. 6. the intense heat from the earth's interior that warms the magma
  6. 8. coming together
  7. 9. electricity produced by flowing water
  8. 13. another name for oil
  9. 15. the energy-rich substances formed from the remains of organisms
  10. 17. energy conversion
  11. 18. made of cadmium, these are inserted between fuel rods
  12. 23. fuels made from living things
  13. 24. chemicals that are burned
  14. 25. recourses that can be replaced in a relatively short time
  15. 26. a solid fossil fuel