Across
- 3. Italian astronomer who studied the stars and supported the heliocentric model.
- 6. Systematic process involving making observations, asking questions, forming hypotheses and performing experiments to come to a conclusion.
- 7. English philosopher credited with creating the scientific method
- 8. Period of change in scientific thought during the 16th and 17th centuries
- 9. German astronomer who studied planetary motion.
Down
- 1. Newton's theory that all objects are affected by gravity.
- 2. Theory that the Sun is the center of the universe
- 4. French scientist who is known as the father of modern philosophy
- 5. Theory that Earth is the center of the universe
- 10. Greek philosopher who created geocentric theory.