Across
- 3. - Quantum mechanics
- 6. - Black holes
- 7. - Expanding universe
- 10. - Theory of relativity
- 11. - Electromagnetism
- 12. - AC power
- 15. - Computer programming
- 16. - Light bulb inventor
Down
- 1. - Atomic structure
- 2. - Laws of motion
- 4. - Buoyancy
- 5. - Radioactivity pioneer
- 8. - Germ theory
- 9. - Telescope pioneer
- 13. - Planetary motion
- 14. - Evolution theory