Across
- 3. Another clue that a chemical change happened
- 4. What happens during a chemical reaction
- 5. Substance made during a chemical reaction
- 8. Two or more substances combined together
- 9. A visible sign that may change during a reaction
- 10. Place where experiments are performed
- 12. A state of matter often formed in bubbling reactions
- 14. A test done to learn something new
Down
- 1. Protective eyewear used in science labs
- 2. Important rule to follow during experiments
- 3. The study of the world around us
- 6. Substance present before a chemical reaction starts
- 7. A sign that gas may be forming in a reaction
- 11. Something reactions can absorb or release
- 13. Energy that can be released during a reaction