Across
- 5. what is the hottest flame on a Bunsen burner?
- 7. what is the coldest flame on a Bunsen burner?
- 9. a candle will stay lit for ? If a large beaker is placed over it instead of a small one?
- 10. what does combustion mean?
- 12. what do you call something that catches fire easily?
- 13. what could you use to light a candle?
Down
- 1. what does fire need to stay lit?
- 2. what could happen to your skin if it touches fire during an experiment?
- 3. what is the colour of the safety flame?
- 4. what do you do to make sure an experiment is fair?
- 6. what fuel does a Bunsen burner use?
- 7. what should be used to light a Bunsen burner?
- 8. What is used to put out a fire if it gets out of control?
- 11. what is the fuel source for the flame of a candle?
- 12. what feeds a fire?