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