1. bisekibungaku   biology   physics   calculus   trigonometry   Hint Half-n-half Clue   2. shyokubutsugaku   chemistry   geology   history   botany   Half-n-half Clue   3. chishitsugaku   geometry   astronomy   philosophy   geology   Half-n-half Clue   4. seibutsugakushya   astronomy   biology   calculus   philosophy   Half-n-half Clue   5. kagaku   geology   chemistry   astronomy   philosophy   Half-n-half Clue   6. shinrigaku   philosophy   calculus   psychology   botany   Half-n-half Clue   7. chirigaku   geography   geology   algebra   trigonometry   Half-n-half Clue