Across
- 2. Energy that moves from a warmer object to a cooler one
- 3. When matter gets bigger as it heats up
- 4. Substance that starts a chemical reaction
- 6. vapor Another common product of burning hydrocarbons
- 11. Substance formed after a reaction
- 12. Gas needed for most burning reactions
- 15. Easily set on fire
- 16. Materials that allow heat to move easily
- 17. Capacity to do work; released in combustion.
- 19. Mixture of gases and tiny particles from burning.
Down
- 1. Solid formed from a liquid reaction
- 5. the action of setting something on fire or starting to burn.
- 7. The total energy of moving particles in an object
- 8. The gas that plants inhale and humans exhale
- 9. Substance that gets burned
- 10. Means the same as flammable
- 13. Visible part of burning gas
- 14. Rapid reaction that produces heat and light
- 15. the resistance that one surface or object encounters when moving over another.
- 18. Solid residue left after burning.