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《科学(3～6年级)课程标准》明确指出:“探究应成为科学学习的核心。探究既是科学学习的目标,也是科学学习的主要方式。亲身经历以探究为主的学习活动是学生学习科学的主要途径。”就科学教学而言,学生的探究活动主要通过实验活动来实现,因此实验活动是小学科学探究活动的一个重要组成部分。但在教学中,我们发现有些科学实验的设计或者实验材料的选用,存在着一些不够完善的地方,影响了学生探究活动的效果,这就需要我们适当地加以改进。
“Science (Grades 3 ~ 6)” clearly states: “Inquiry should become the core of science learning. Inquiry is both the goal of science learning and the main way of learning science. The main way of science. ”" In the case of science teaching, students’ inquiry activities are mainly conducted through experimental activities. Therefore, experimental activities are an important part of elementary science inquiry activities. However, in teaching, we find that some scientific experiment design or experimental material selection, there are some imperfections, affecting the students to explore the effect of activities, which we need to be properly improved.