Across
- 4. discovered other plants (Uranus) and built telescopes
- 6. believed the Bible had disagreements within it
- 7. a weakened form of smallpox used to create a vaccine
- 8. led to rapid expansion of knowledge
- 10. what keeps the earth in orbit
Down
- 1. being freed from religion
- 2. human reason leads to truth
- 3. He was well studied in astronomy and made contributions to physics geography and optics
- 5. knowledge comes through experience
- 9. discovered blood is pumped by the heart and then returns to the heart