建构主义理论认为学生是认知的主体,是教学的中心,是知识意义的主动建构者。所以,调动学生积极主动地参与物理教学活动,让学生在主动探究、观察、分析、猜想、验证、归纳的过程中实现知识建构和能力的发展,是教师面临的重要课题。但是在教学过程中有一种现象不容忽视,那就是教 Constructivism theory holds that students are the main body of cognition, the center of teaching, and the active constructors of the meaning of knowledge. Therefore, to mobilize students to actively participate in physical teaching activities, so that students in the process of active exploration, observation, analysis, conjecture, verification, induction of knowledge construction and ability development, is an important issue facing teachers. However, in the teaching process there is a phenomenon that can not be ignored, that is, teaching