《小学科学课程标准》提出科学学习要以探究为核心,教师要变单一的知识传授为全面的科学素养培养,教学过程要从以教师讲授为中心改变为以学生自主探究、经历、探索获取知识为中心。科学课要以探究为核心,仅仅依靠课堂教学是不够的,更多的探究活动还需要在课外进行,为了有效实施 The standard of primary school science curriculum proposed that scientific learning should take inquiry as the core and teachers should change their single knowledge to cultivate comprehensive scientific literacy. The teaching process should change from focusing on teachers 'teaching to acquiring students' independent inquiry, experience and exploration as a center. Science should focus on inquiry, teaching alone is not enough, and more inquiry activities need to be conducted outside of class. In order to effectively implement