vocab

3. Most important scientist of the scientific revolution, first person to study the sky with a telescope.
5. the force of attraction between all masses in the universe
7. a theory that places the sun at the center of the solar system.
8. Polish astronomer, wrote on the Revolution of the Celestial Spheres
9. Greatest and most influential scientist who ever lived, created laws about gravity and motion.
11. a theory that Earth is the center of the solar system or the universe.

1. German astronomer, mapped the orbits of the planets
2. a belief in reason and logic as the primary paths to knowledge
4. an idea or assumption to be tested in an experiment
6. modern science emerged as a new way of gaining knowledge about the natural world
10. a step-by-step method of investigation involving observation and theory to test scientific assumptions
12. an instrument used to view distant objects