Crossword Puzzle

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Across
  1. 3. Transfer of an electron to a higher atomic orbital.
  2. 8. Repetitive variation.
  3. 11. The process of increasing the rate of a chemical reaction.
  4. 13. A collection of chemical reactions that converts a mixture of carbon monoxide and hydrogen into liquid hydrocarbons.
  5. 14. Discovery by Heike Kamerlingh Onnes.
  6. 15. Raw material.
  7. 16. MHD wave mode.
  8. 17. Combustible hydrocarbon liquid.
  9. 18. The quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
Down
  1. 1. Representation of an object.
  2. 2. A soft, silvery-white alkali metal.
  3. 3. Balance.
  4. 4. 1918 Physics Nobelist.
  5. 5. Inelastic scattering of photons by matter
  6. 6. Can convert chemical energy directly to electrical energy.
  7. 7. Number 74.
  8. 9. One of the four fundamental states of matter.
  9. 10. A compound of nitrogen and hydrogen.
  10. 12. Form of electromagnetic radiation.