Topic 10.5

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Across
  1. 2. Medical improvements during the 1500s included artificial ______.
  2. 5. Anton van Leeuwnhoek perfected the single lens _________.
  3. 6. Sentenced Galilei to life under house arrest.
  4. 8. Explains how gravity moves the planets.
  5. 11. A Greek astronomer who viewed the Earth at the center of the universe.
  6. 12. Formed a theory as to why the planets move as they do.
  7. 13. Studied the moon with a telescope.
  8. 15. Medieval physicians relied on the works of this Greek physician.
Down
  1. 1. Method of observations and experiments justified by mathematical calculations.
  2. 3. Offered a new theory that the universe was heliocentric.
  3. 4. Sun centered
  4. 7. Holds the universe together, as found by Newton.
  5. 9. Found the orbits revolving around the sun are oval shaped.
  6. 10. Scientists would propose a logical _______.
  7. 14. Chemistry was known as this in medieval times.