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