Across
- 1. The theory that Earth is the center of the solar system or universe
- 4. Polish astronomer who wrote the Revolution of Celestial Spheres
- 5. Very important scientist to the Scientific Revolution, first person to study the sky with a telescope
- 6. German astronomer who mapped the orbits on the planets
- 7. An instrument used to view distant objects
- 9. A step-by-step method of investigation involving observation and theory to test scientific assumptions
- 10. Great influential scientist who created laws on motion and gravity
- 11. An idea or assumption to be tested in experiments
- 12. The force of attraction between all masses in the universe
Down
- 2. A belief in reason and logic as the primary paths to knowledge
- 3. The theory that the Sun is the center of the solar system or universe
- 8. A period when modern science emerged as a new way of gaining knowledge about the natural world