Across
- 5. visible form to release heat
- 7. Greenhouse gas that exists as water vapor
- 8. The science word of burning
- 10. A liquid fuel used in engines
- 11. A sign of incomplete combustion, often black
- 12. Gas that is required for combustion
- 13. Greenhouse gas by burning fuels
- 14. Common fuel type
- 16. The visible part of a combustion reaction
Down
- 1. A common term for a combustion reaction
- 2. compounds composed hydrogen and carbon atoms
- 3. Greenhouse gas produced by incomplete combustion
- 4. A glass building that traps heat for plants
- 6. The transfer of energy due to different temperatures
- 9. A solid fuel commonly used in barbecues
- 14. The substance being burned
- 15. The starting materials in a chemical reaction