Across
- 4. the study of past events
- 5. scientist who discovered laws of gravity and motion
- 6. proposed answer to a science problem
- 8. forerunner of chemistry, thought they could turn metal into gold
- 9. the curved path of a celestial object
- 11. leading to the birth of modern science
- 13. step-by-step method for preforming experiments
- 15. ancient astronomer
- 16. device that measures air pressure
- 17. first astronomer to study the sky with a telescope
- 18. Philosopher that thought everything should be proven
Down
- 1. Philosopher that pursued in a systematic fashion
- 2. important astronomer or the scientific revolution
- 3. german astronomer
- 7. study of space
- 10. people who look at the world in a rational way
- 12. explanations developed based on facts
- 13. gaining knowledge about the world
- 14. polish astronomer
- 17. force that pulls objects to the center of the earth