小学科学课程标准中明确提出了“科学学习要以探究为核心”的基本课程理念。探究既是小学生科学学习的主要方式,也是科学学习的目标。“以探究为核心”的小学科学课堂,提倡把握课堂的细节,是提升科学教学有效性的重要保障。因为要赛课,自然一次次地试教,一 Primary science curriculum standards clearly put forward the “basic idea of ​​scientific learning to explore as the core” concept. Exploration is not only the primary way of learning science for pupils, but also the goal of scientific learning. “To explore as the core ” primary science classroom, to promote the details of the classroom, is to enhance the effectiveness of science teaching an important guarantee. Because to race, naturally time and time again, one