Fossil Fuels 1

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Across
  1. 5. Gas state
  2. 6. A measure of a fluid's resistant to flow
  3. 7. An organic compound consisting of only carbon and hydrogen atoms
  4. 12. Black viscous residue from crude oil distillation, used for road surfacing and roofing
  5. 14. Water droplets from when steam turns to water
  6. 15. A chemical bond that involves the sharing of electron pairs between atoms
  7. 16. A mixture of naturally occurring hydrocarbons otherwise known as petroleum
  8. 17. Is the ability of a substance to burn or ignite, causing fire or combustion
  9. 18. The process of burning something, a chemical reaction that involves the rapid combination of a fuel with oxygen
Down
  1. 1. Easily evaporated at normal temperatures
  2. 2. The fraction of crude oil commonly used to fuel aircraft
  3. 3. The fraction of crude oil commonly used to make chemicals
  4. 4. A group of hydrocarbon compounds that have similar boiling points
  5. 8. The fraction of crude oil commonly used to fuel trucks and buses
  6. 9. Turn a liquid into a gas
  7. 10. A gas turning into a liquid
  8. 11. The temperature at which a liquid boils and turns to vapour
  9. 13. Gasoline the fraction of crude oil commonly used in cars
  10. 19. Catch fire or cause to catch fire