思维定势是指运用过去已有的经验,按照某种固定的思路去思考和分析问题的一种心理现象.鉴于化学知识的“散”、“乱”、“杂”的特点,在知识的整理,特别是在综合复习及习题教学过程中教师均有形、无形中对学生进行着思维定势的影响.正确的思维定势可使学生在解题时表现出习惯化 Mental thinking refers to the use of past experience, according to a fixed mind to think and analyze a psychological phenomenon. In view of the chemical knowledge of the “discrete”, “chaos” and “miscellaneous” features, in the knowledge of Sorting out, especially in the process of comprehensive review and exercise teaching, teachers are tangible and intangible in the impact of thinking on students. The correct mindset allows students to show habits when solving problems.