Across
- 3. fish and chips
- 4. fire
- 6. dioxide climate change
- 10. keep in heat
- 14. after experiment
- 15. acid reacting with a base
- 18. renewable
- 20. lots of acid in a small amount of water
- 23. organic indicator
- 25. before the experiment
- 26. found in foods
- 27. coal
Down
- 1. to determine pH level
- 2. hydrogen and carbon compound
- 5. oxygen
- 7. soapy feeling
- 8. used in cars
- 9. yellow fruit
- 11. acid eating away over time
- 12. very low pH
- 13. type of exothermic reaction
- 16. pH lower than 7
- 17. a base that dissolves in water
- 19. biofuel
- 21. release heat
- 22. a scale to determine acidity
- 24. sodium chloride