This paper describes basic researches on learning contexts of “water” in chemical education. First, the features of “water” as teaching materials were discussed. Second, some previous efforts for the context-based learning of “water” in foreign and domestic cases were summarized. And third, two examples for the learning contexts of “water” were proposed on the basis of some lesson practices.

本研究の一部は，平成25～27年度科学研究費補助金基盤研究C（課題番号：25350203，研究代表者：網本貴一）および平成25～28年度科学研究費補助金基盤研究A（課題番号：25242015，研究代表者：古賀信吉）の助成を受けて行ったものである。