Across
- 3. ancient Greek astronomer and geographer, he studies the skies and made maps of the Mediterranean region
- 6. was an astronomer and geographer who focused on observation to explain the natural world.
- 9. a French philosopher who made great contributions to the establishment of science
- 11. studied the sky and set up experiments to test what he observed.
Down
- 1. Scientist who discovered the laws of motion and gravity
- 2. determined that the planets orbited the sun.
- 4. determined that planetary orbits are elliptical.
- 5. was an English physician who was especially interested in how the heart pumped blood throughout the human body.
- 7. invented the barometer
- 8. charted the positions of more than 750 stars.
- 10. was a Franciscan philosopher who studied many subjects, such as astronomy, mathematics, and alchemy.