Across
- 2. Any substance that undergoes a chemical change
- 6. Mass is neither created of destroyed
- 8. A substance obtained from another substance through chemical change
- 9. Slows down chemical change
- 10. Something that releases energy
- 11. Chemical reaction causing a rearrangement of atoms
Down
- 1. Speeds up the chemical reaction
- 3. Equally balanced state
- 4. Absorbs heat
- 5. Releases of absorbs energy
- 7. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life