Across
- 4. Explanations that scientists develop to explain observed facts
- 7. Refuted Ptolemy's claim that the sun rotated around the Earth
- 10. astronomer who charted the position of more than 750 stars
Down
- 1. French philosopher who mocked government in his writings
- 2. Established various laws of physics that are considered axiomatic (true without question) even today
- 3. A step-by-step process for performing experiments and other scientific research
- 5. Someone who tried to look at the world through a reasonable or logical way
- 6. Studied the sky with a telescope and discovered that moons orbit Jupiter
- 8. Non-religious
- 9. The idea that humans were capable of always improving the world
