CROSSWORD PUZZLE

12345678
Across
  1. 2. the science that deals with the materials beyond the earths atmosphere
  2. 3. italian scientist
  3. 6. italian renaissance artist
  4. 7. a coherent group of tested general propositions
  5. 8. according or agreeing with the principals of writing
Down
  1. 1. accepting reasons as the supreme authorities in matter of opinion
  2. 4. a form of chemistry and speculative philosophy practiced in the middle ages
  3. 5. the activity, spirit, or time of the great revival of art, literature and learning