Combustion

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Across
  1. 3. another word for combustion
  2. 4. the ability to do work or cause change
  3. 5. an element found in fuels and released in combustion
  4. 6. the substance that burns in a fire
  5. 8. to stop a fire from burning
  6. 11. a form of energy often produced in burning reactions
  7. 14. a purple chemical often used to show a chemical reaction or oxidation
  8. 15. how hot or cold a substance is
Down
  1. 1. the gas required for combustion to occur
  2. 2. rapid burning that produces heat and light
  3. 5. relating to substances and reactions that form new materials
  4. 7. solid remains after something burns
  5. 8. a reaction that releases heat energy
  6. 9. mixture of gases and particles from burning
  7. 10. thermal energy released or absorbed during a reaction
  8. 12. the second word in the gas CO₂ produced when things burn
  9. 13. H₂O formed as vapor during combustion