1. history   sankakuhou   rekishika   kagaku   kikagaku   Hint Half-n-half Clue   2. geometry   tenbungakushya   chishitsugaku   tetsugaku   kikagaku   Half-n-half Clue   3. zoology   tenbungakushya   shyokubutsugaku   doubutsugaku   sankakuhou   Half-n-half Clue   4. algebra   doubutsugaku   daisuugaku   sankakuhou   tetsugaku   Half-n-half Clue   5. astronomy   seibutsugakushya   butsurigaku   tenbungakushya   shinrigaku   Half-n-half Clue   6. philosophy   tenbungakushya   daisuugaku   shinrigaku   tetsugaku   Half-n-half Clue   7. physics   kikagaku   doubutsugaku   rekishika   butsurigaku   Half-n-half Clue