Across
- 1. Scale
- 3. System of billions of stars
- 5. Glass container for scientific purposes
- 7. Humogenous mixture
- 9. Flows freely
- 11. Firm and stable
- 13. study of heredity
Down
- 1. living organism
- 2. Combination
- 4. Comparison between two things
- 6. Hydronium ions
- 7. Water heh
- 8. labratory
- 10. incorporated in water
- 12. Any compound that increases the number of hydrogen ions.