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