1. daisuugaku   algebra   philosophy   geology   physics   Hint Half-n-half Clue   2. tetsugaku   botany   biology   history   philosophy   Half-n-half Clue   3. bisekibungaku   calculus   geometry   astronomy   geology   Half-n-half Clue   4. rekishika   botany   history   trigonometry   chemistry   Half-n-half Clue   5. chirigaku   botany   geography   zoology   psychology   Half-n-half Clue   6. kikagaku   physics   geometry   botany   calculus   Half-n-half Clue   7. tenbungakushya   calculus   physics   astronomy   philosophy   Half-n-half Clue