Across
- 4. Theory that states the sun is at the center of the solar system.
- 6. Theorized that the moon was held in Earth's orbit due to gravitational force.
- 7. Involves observation, experiments and careful observations.
- 8. what you have to identify in the first step of the scientific method.
Down
- 1. Viewed Jupiter's moons in orbit.
- 2. The belief that knowledge is gained by using reason.
- 3. Developed inductive reasoning.
- 5. said, "I think, therefore I am"