Across
- 4. - DNA
- 5. - Genetics
- 6. - Planets
- 10. - Probability
- 11. - Telescope
- 12. - Electromagnetism
- 14. - Electricity
- 15. - Electromagnetic Waves
- 17. - Evolution
- 18. - Relativity
- 19. - Penicillin
Down
- 1. - Expanding Universe
- 2. - Atomic Model
- 3. - Quantum Physics
- 7. - Oxygen
- 8. - Thermodynamics
- 9. - Radioactivity
- 12. - Black Holes
- 13. - Animal Electricity
- 16. - Gravity