Across
- 3. A period in the early modern era (roughly 16th-18th centuries) when new ideas
- 5. A laboratory instrument used to examine objects too small to be seen by the naked eye
- 6. The ancient and medieval astronomical model
- 7. The universal force of attraction between all objects in the universe
- 9. To express complete disapproval of something
- 10. The oval-shaped paths that planets follow as they orbit the Sun
- 11. An optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects
- 13. A method of reasoning where one moves from specific observations and experimental data to form general principles or hypotheses
Down
- 1. A logical procedure for gathering and testing ideas through careful observation
- 2. The sun-centered model of the universe proposed by Copernicus
- 4. Three physical laws (inertia; force equals mass times acceleration; equal and opposite reactions)
- 8. Principles or universal laws, often mathematical
- 12. The philosophical view that reason is the chief source and test of knowledge