Across
- 2. Danish astronomer who made detailed charts of the stars' movements
- 7. German astronomer who proved planets' orbits are elliptical
- 8. series of events that led to the birth of modern science
- 10. Scientific instrument that measures air pressure
- 11. the study of different natural substances, such as metals
- 14. Polish astronomer who theorized that the planets orbit the sun
- 15. Greek astronomer whose work was based on observation and logic
- 16. A solution that the scientist proposes to solve a problem
Down
- 1. Italian scientist and astronomer who tested his theories in experiments
- 3. English scientist who discovered laws of motion and of gravity
- 4. a particular way of gaining knowledge about the world
- 5. explanations developed by scientists to explain observable facts
- 6. people who looked at the world in a rational, reasonable, and logical way
- 9. English philosopher who argued for systematic scientific research
- 12. French philosopher who argued for clear thinking and reason to establish proof
- 13. step-by-step procedure for performing experiments or research