Across
- 4. Another word for bubbles of gas in a liquid(13)
- 6. abbreviation for precipitate(3)
- 7. A change in this can show energy is absorbed or released. (11)
- 10. A noticeable change in this can indicate a chemical reaction. (5)
- 13. A slow chemical reaction between iron, oxygen, and water. (7)
- 14. A sudden release of energy, gas, and heat in a reaction. (9)
- 16. A change that cannot return to its original state. (12)
- 17. Observed when a gas is produced in a chemical reaction. (8)
- 18. The change of a liquid to a solid. (8)
Down
- 1. A change that results in the formation of a new substance. (8)
- 2. The change of a gas to a liquid. (12)
- 3. The change of a liquid to a gas. (11)
- 5. A chemical reaction that involves burning. (10)
- 8. The change of a solid to a liquid. (7)
- 9. A solid formed from a chemical reaction in a solution. (11)
- 11. A change that can go back to its original state. (10)
- 12. A frying egg is an example of this type of change. (12)
- 15. A change that does not result in a new substance. (8)