Across
- 7. Copernicus Developed the heliocentric system (the Sun is at the center of the universe, with all the planets and stars revolving around it in circular orbits)
- 8. Newton Developed the Law of Universal Gravitation; all physical objects are affected equally by the same forces, in space and on earth
- 9. Descartes Believed that scientists needed to reject old assumptions
- 10. Kepler Used Brahe’s data to formulate laws to describe planetary motion.
Down
- 1. Bacon Believed that a better understanding of the natural world will produce practical knowledge that could improve people’s lives
- 2. Brahe Established observatories to chart the movements of the stars and planets. (no telescope… only the naked eye)
- 3. Galilei He was an outspoken supporter of Copernicus's Heliocentric theory (the Sun is at the center of the universe, with all the planets and stars revolving around it)
- 4. Vesalius Most of what was known about the human body was based on Galen’s work with apes and dogs from the 2nd century
- 5. Harvey Disproved many of Galen’s hypotheses (worked with apes and dogs in the 2nd century) Ex: the liver digested food and processed it into blood
- 6. Fahrenheit Developed precise thermometers filled with mercury to measure temperature
