Across
- 6. a belief or theory that opinions and actions should be based on reason and knowledge
- 7. medieval forerunner of chemistry, based on the supposed transformation of matter.
- 8. Revolution- a period of drastic change in scientific thought
Down
- 1. theory- a superseded description of the Universe with Earth at the center.
- 2. supposition or a system of ideas intended to explain something
- 3. method- method for acquiring knowledge that has characterized the development of science
- 4. theory- the astronomical model in which the Earth and planets revolve around the Sun at the center of the universe.
- 5. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.