Across
- 1. A lit candle produces _________ and light.
- 3. Gas that makes a lit candle burn brighter.
- 7. A fire that’s getting bigger.
- 8. The movement of air.
- 11. Equipment used to pump air into an oven.
- 12. This turns white when mixed with carbon dioxide.
Down
- 2. Percent of oxygen in air.
- 4. Another way to say “put out” a fire.
- 5. Combustion needs heat, oxygen and _________.
- 6. A fire that’s dying down.
- 9. Gas that is in about four fifths of air.
- 10. Your olfactory sense picks this up.