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