Across
- 2. substance that only has one type of atoms
- 6. the belief that reason and experience is
- 7. method-the steps for orderly search for
- 11. attraction that something has on
- 12. explanation why something happens
- 13. an earth center theory
- 14. advances changed peoples beliefs
Down
- 1. time frame from the birth of parents
- 3. earths surface
- 4. relating to the sun as the center
- 5. or increase in volume
- 7. revolution-a period of time where
- 8. solution of problems
- 9. the birth of children
- 10. shapes
