PiottiR pd.7 science

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Across
  1. 3. what is the melting of fuel rods called
  2. 7. the part of the nuclear reactor where nuclear fission occurs
  3. 9. cannot be replenished in a short amount of time
  4. 11. thermal: heat from Earth's interior
  5. 13. rods in the reactor
  6. 14. oil, and natural gas: three major types of fossil fuels
  7. 17. rods used to slow down chain reactions when the reactor vessel gets too hot
  8. 18. light and heat given off by the sun
  9. 20. the central core of an atom
  10. 21. compounds made from oil
  11. 24. the percentage of energy that is used to perform wor
  12. 26. of coal is mined in the US is exported to other countries
  13. 27. energy rich substances formed from the remains of organisms Energytransformation a change from one form of energy to another
  14. 28. wood, plant parts, manure, and food wastes that can be used as fuels
  15. 29. a process where crude oils made into their fuels
Down
  1. 1. something that provide energy
  2. 2. through what can store chemical energy be released
  3. 4. chemical compounds that have carbon and hydrogen atom
  4. 5. power: coal is mainly used for
  5. 6. can be replenished in a short amount of time
  6. 8. reducing energy use
  7. 10. adding alcohol to gasoline forms this mixture
  8. 12. coming together
  9. 15. another name for oil
  10. 16. oil is mainly used for
  11. 19. breaking apart
  12. 22. what does wind, flowing water, and steam turn
  13. 23. energy: is energy conversions occur when a car engine burns gasoline
  14. 25. a layer of material that traps air