Across
- 3. a scientific instrument that measures air pressure
- 6. a forerunner of chemistry
- 7. one of the most important scientists of the scientific revolution
- 8. explanations scientists develop based on facts
- 9. a step-by-step method for performing experiments and other scientific research
Down
- 1. the person that wrote that the Earth was the center of the universe and that the sun and other planets orbited around it
- 2. a particular way of gaining knowledge about the world
- 4. people who looked at the world in a rational or reasonable and logical way
- 5. a solution that a scientist proposes to solve a problem
