一、新课程理念下,作为执教者要掌握正确的教学策略,把前概念变成理解科学概念的生长点1.充分了解学生具有的前概念是转化前概念的前提传统的教学方式使得教师往往根据自己的经验,按照课本的逻辑顺序讲授课本知识,不注重了解学生已有的知识情况,很难发现学生存在的前概念。学生头脑中的前概念广泛存在而且大多是隐藏的,教师应尽量调动学生的积极性,让他们在参加各种活动的过程中充分暴露 First, the concept of the new curriculum, as a coaching staff to master the correct teaching strategies, the concept of understanding into the understanding of the concept of scientific growth point 1. To fully understand the concept of pre-conversion students have the precondition of the concept of traditional teaching methods make teachers tend to According to their own experience, textbooks in accordance with the logical order to teach textbook knowledge, do not pay attention to understand the existing knowledge of students, difficult to find the existence of students before the concept. The preconceptions in students’ minds are widespread and mostly hidden. Teachers should try to mobilize the enthusiasm of students so that they can fully expose themselves to various activities