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