Changes in states and chemical reactions

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Across
  1. 3. a measure of how easily a substance bursts into flame
  2. 8. a reaction in which energy is absorbed, causing it to get colder
  3. 12. the substances that participate in the reaction
  4. 13. the ability to move heat or electricity
  5. 14. any substance that increases the rate of a reaction without being a part of the reaction
Down
  1. 1. a substance made up of two or more different chemical elements
  2. 2. describes the amount of acid in a substance
  3. 4. the average kinetic energy of atoms or molecules within a substance
  4. 5. water in gas form
  5. 6. a measure of how quickly a material can catch fire
  6. 7. gas to liquid
  7. 9. a measure of how easily a substance undergoes a chemical reaction
  8. 10. a reaction in which energy is released, causing it to get warmer
  9. 11. the substances formed by the reaction