Across
- 1. A logical procedure for gathering and testing ideas.
- 7. The theory has the earth located in the center of the universe.
- 8. Instead of getting facts based off of abstract theories, wanted scientists to experiment and then draw conclusions, helping create the scientific method.
- 10. This person came up with the idea that motion in the heavens is linked with motion on earth, he called it universal gravitation.
Down
- 1. During the people replaced old assumptions with new theories.
- 2. Studied planetary movements to conclude that the planets and stars revolve around the sun.
- 3. Copernicus came up with the theory that had a sun centered universe.
- 4. strongly believed that scientists needed to forget old assumptions and teachings, and rely on mathematics and logics, along with that, he created analytical geometry, which connected algebra and geometry
- 5. An Italian scientist who made observations through a telescope. He proved that Jupiter has moons, the sun has dark spots, and that Aristotle's theory was false, the moon’s surface is rough.
- 6. Used mathematical laws that govern planetary motion to prove planets revolved in an elliptical order, instead of a perfect circle.
- 9. A danish astronomer who studied planetary motion, when he died Kepler continued his work.