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初中生的思维逐渐由感性认识向理性认识发展.面对抽象的知识,学生的认知会受到一定的制约.教师要遵循学生的认知特点,挖掘生活中学生熟知的素材,引入学生熟知的现象,并与新知识、新概念进行对比,拉近新旧知识、知识与生活之间的距离,让学生易于掌握知识.我们通常把未知的问题称为靶问题,具有相似特征的已掌握的知识经验称为源问题,类比就是用源问题属性推断靶问题属性的认知过程.正迁移是前概念、前经验对探索未
Junior high school students’ thinking gradually develops from perceptual knowledge to rational cognition, students’ cognition will be restrained in the face of abstract knowledge.Teachers should follow the cognitive characteristics of students, tap the familiar material of students in life, and introduce students’ familiar phenomena , And compared with the new knowledge, new concepts, to narrow the distance between old and new knowledge, knowledge and life, so that students can easily grasp the knowledge.We usually call the unknown problem a target problem, with similar characteristics of the mastered knowledge of experience Known as the source problem, the analogy is to use the source question attributes to infer the cognitive process of the attribute of the target problem.