Across
- 6. Developed the heliocentric system
- 7. The first to use a telescope to study the stars
Down
- 1. Developed analytic geometry; algebraic procedures are applied to geometry
- 2. Mathematically proved the heliocentric theory (the Sun is at the center of the universe, with all the planets and stars revolving around it)
- 3. Helped develop the scientific method
- 4. Developed the Law of Universal Gravitation; all physical objects are affected equally by the same forces, in space and on earth
- 5. Disproved many of Galen’s hypotheses