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