scientific revoloution

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Across
  1. 7. Developed the heliocentric system
  2. 8. Developed the Law of Universal Gravitation
  3. 9. Everything should be doubted unless proved by reason; wrote Discourse on Method
  4. 10. German astronomer and mathematician; assistant to Brahe
Down
  1. 1. Believed that a better understanding of the natural world will produce practical knowledge that could improve people’s lives
  2. 2. Established observatories to chart the movements of the stars and planets.
  3. 3. He was an outspoken supporter of Copernicus's Heliocentric theory
  4. 4. Most of what was known about the human body was based on Galen’s work with apes and dogs from the 2nd century
  5. 5. Disproved many of Galen’s hypotheses
  6. 6. Developed precise thermometers filled with mercury to measure temperature