Hamida Energy Crossword

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Across
  1. 4. a cadmium rod used in a nuclear reactor to absorb neutrons from fission reactors
  2. 8. the combining of two atomic nuclei to produce a single larger nucleus
  3. 9. burns cleanly
  4. 11. fuels made from living things
  5. 13. any resource that can be replenished in a relatively short period of time
  6. 16. a change from one energy to another
  7. 20. another name for oil
  8. 21. compounds made from oil
  9. 22. a dangerous condition in which fuel rods inside a nuclear reactor melt
  10. 23. formed within rock underground after millions of years
  11. 25. the splitting of an atoms nucleus into two smaller nuclei
  12. 26. the part of the nuclear reactor where nuclear fission occurs
  13. 28. is mainly used for transportation in the U.S
  14. 29. a mixture of alcohol and gasoline
  15. 30. a layer of material that traps air to help block the transfer of heat between the air inside and outside of a building
Down
  1. 1. a factory in which crude oil is heated and separated into fuel and other products
  2. 2. power electricity produced by flowing water
  3. 3. chemical compounds that contain hydrogen and carbon atoms
  4. 5. any resource that cannot be replenished in a relatively short period of time
  5. 6. reducing energy use
  6. 7. a substance that provides energy
  7. 10. energy from the sun
  8. 12. a uranium rod that undergoes fission in a nuclear reactor
  9. 14. intense heat from Earth's interior that warms magma
  10. 15. energy rich substances formed from the remains of organisms
  11. 17. unrefined petroleum
  12. 18. cause nuclear fission to start
  13. 19. is mainly used for electric power in the U.S
  14. 24. the central core of an atom that contains protons and neutrons
  15. 27. the percentage of energy that is actually used to perform work