Across
- 2. The visible, glowing part of a fire
- 4. Eye protection used during experiments with heat or flames
- 8. The powdery material left after burning
- 10. A chemical reaction that produces heat and light
- 12. light, and flames produced by burning
- 13. Dioxide A gas produced during combustion
- 14. Gases and tiny particles released when something burns
Down
- 1. a gas required for combustion
- 2. a substance that burns to release energy
- 3. The act of starting a fire
- 5. Able to catch fire easily
- 6. A tiny, hot piece that can start a fire
- 7. A sudden, violent burst of energy
- 9. A tool used to put out fires
- 11. Energy that raises temperature and starts burning