Across
- 1. This is what happens when gas is made in a chemical reaction.
- 4. Results should be plotted to draw one of these.
- 7. (6,6) A clear sign of a chemical reaction.
- 8. The element has the chemical symbol Na
- 9. (6,6) This is used to heat things up safely.
- 10. (8,5) You've got a copy of this in your planner.
- 14. Unwanted chemicals in the environment are sometimes called this.
- 16. (5,5) Used to hold things while you do an experiment.
- 17. Water is a good example of this state of matter.
- 18. (4,4) A thin glass container used for testing chemicals.
- 22. Something you keep the same to make a fair test.
- 23. The proper word is "combustion" this is a very hot chemical reaction.
Down
- 2. You hate wearing these, but they keep your eyes safe.
- 3. This element has the chemical symbol Ca
- 5. The hardest state of matter.
- 6. A blue Bunsen flame is called this.
- 7. (6,7) A greenhouse gas.
- 11. If a reaction gets hot or cold, we say this has changed.
- 12. The lightest state of matter.
- 13. A condition that could be changed.
- 15. A reactive gas in air, we need it for life.
- 19. An orange Bunsen flame is called this.
- 20. Results should be recorded in one of these.
- 21. This element has the chemical symbol Cu