Across
- 3. - Proposed the theory of evolution by natural selection
- 5. - Italian physician and physicist who studied animal electricity
- 8. - Astronomer known for Hubble's law and the Hubble Space Telescope
- 9. - Proposed the heliocentric model of the solar system
- 10. - Pioneering scientist who discovered polonium and radium
- 12. - German astronomer known for his laws of planetary motion
- 13. and Crick - Discovered the structure of DNA, the double helix
- 15. - Chemist and X-ray crystallographer who made key contributions to DNA structure
- 16. - Created the periodic table of elements
- 18. - Made significant contributions to astronomy and the scientific method
Down
- 1. - Discovered radioactivity and won Nobel Prizes in Physics and Chemistry
- 2. - Psychologist known for his work on classical conditioning
- 4. - Developed the germ theory of disease and invented pasteurization
- 6. - Developed the laws of electromagnetic induction and electrolysis
- 7. - Inventor and electrical engineer known for contributions to AC power systems
- 8. - Theoretical physicist known for his work on black holes and cosmology
- 10. - Considered the father of modern genetics for his work on pea plants
- 11. - Formulated the laws of motion and universal gravitation
- 14. - Developed the first effective polio vaccine
- 17. - Developed the theory of relativity and famous equation E=mc²
