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