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创设问题情境的实质在于通过揭示事物的矛盾引起主体内心的冲突,从而求得问题的解决和思维的优化。教师在创设情境时符合学生的实际,有利于帮助学生发现问题,揭示矛盾,有利于激发学生的联想和想象。创设学习情境可以增强学习的针对性,有利于积极开展科学探究活动。教师也可根据学生学过的化学知识,以日常生活和社会中的素材为背景提出问题,来激发学生的探究兴趣。
The essence of creating a problem situation lies in revealing the conflict of the subject’s inner heart by revealing the contradiction of things, so as to obtain a solution to the problem and optimize the thinking. Teachers are in line with the reality of the students when setting up the situation, which is helpful to help students find problems, reveal contradictions and help inspire students’ imagination and imagination. The creation of learning situations can enhance the pertinence of learning and are conducive to active scientific inquiry activities. Teachers can also ask questions based on the students’ knowledge of chemistry and use materials from daily life and society as background to stimulate students’ interest in inquiry.