Energy

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Across
  1. 5. oil
  2. 6. Fission- the splitting of an atom's nucleus into two smaller nuclei and neutrons
  3. 7. the percentage of energy that is used to perform work
  4. 8. conservation- the practice of reducing energy use
  5. 9. a dangerous condition in which fuel rods inside a nuclear reactor melts
  6. 10. Energy- energy from the sun
  7. 12. material that blocks heat transfer between the air inside and outside a building
  8. 14. rod- a cadmium rod used in a nuclear reactor to absorb neutrons from fission reactions
Down
  1. 1. the process of burning a fuel
  2. 2. Fuel- an energy rich substance formed from the remains of organisms
  3. 3. Power- electricity produced using the energy of flowing water
  4. 4. a factory in which crude oil is heated and separated into fuels and other products
  5. 11. a substance that provides energy as a chemical change
  6. 13. the central core of an atom that contains the protons and neutrons