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