Across
- 2. a substance that consist s of atmons of only one kind
- 3. th ebeilief that reason and experience must be present for the solutions of problems
- 6. To increase in number
- 7. When many scientific advances changed peoples beliefs.
- 8. An earth-centered theory
Down
- 1. the steps for an orderly search for konwledge
- 2. oval shapes
- 4. the attraction that the Earths Surface has on a object
- 5. having or relating to the sun as the center.