Across
- 2. he believed observation and experimentation were important steps this process
- 3. Germany astronomer that determined that planets revolve in orbits
- 4. an Italian astronomer tried for heresy at the Inquisition for contradicting Ptolemy and the Church
- 6. Danish astronomer that calculated the most accurate celestial observations of the time
- 7. an English mathematician who developed calculus, described gravity and formulated the three laws of motion
- 10. Anton von Leeuwenhoek perfected this instrument of science
Down
- 1. the birth of modern science
- 5. showed how the heart served as a pump to force blood through veins and arteries
- 8. new scientific ideas of the era challenged this institution
- 9. he wrote the first accurate book on human anatomy
- 11. Polish astronomer that first suggested the theory of a heliocentric universe