Across
- 2. the ability or potential of a system or material to do work
- 5. a chemical transformation in which heat energy is liberated
- 7. combustion on the surface of a solid fuel in the absence of heat high enough to pyrolyze the fuel
- 9. any material used to start or sustain a fire
- 10. the combination of oxygen with other substances to produce new substances
Down
- 1. a chemical transformation in which heat energy is absorbed from the surroundings
- 3. rapid combination of oxygen with another substance
- 4. any compound consisting of only carbon and hydrogen
- 6. the entire range of possible gas or vapor fuel concentrations in air that are capable of burning
- 8. the minimum temperature at which a liquid fuel produces enough vapor to burn