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