一、化学问题解决著名心理学家奥苏贝尔认为:“问题是由有意义的言语命题构成的。”其中包括目标和条件,该命题之所以构成问题情境,是因为从已知条件到问题之间包含了认知空隙,学生已有知识结构中没有现成可以用于达到目标的步骤和方法。问题解决是由一定的情境(问题命题)引起的,按照一定的目 First, the chemical problem solving Well-known psychologist Ausubel said: “The question is made up of meaningful verbal propositions. ” Including the objectives and conditions, the reason why the proposition constitutes a problem situation, because from the known conditions to There is a cognitive gap between the questions, and there are no steps and methods in the student’s existing knowledge structure that can be used to achieve the goal. Problem solving is caused by a certain situation (question proposition), according to a certain goal