新课程理念指出:“科学学习要以探究为核心。”“探究既是科学学习的目标,又是科学学习的方式。”从学生探究的角度出发,小学科学中的实验可分为三类:第一类是让学生发现问题的实验;第二类是让学生积累事实的实验;第三类是让学生用所学的知识解决实际问题的实验。俗话说:“眼观百遍,不如手做一遍。”动手实验这一教学手段,符合儿童喜欢自己动手摆弄、尝试 The new curriculum philosophy states: “Science must be centered on inquiry.” Inquiring is both the goal of science and the way science is learned. “From the perspective of student inquiry, experiments in elementary science can be divided into Three types: the first is for students to discover problems; the second is for students to accumulate facts; the third is for students to use what they have learned to solve practical problems. As the saying goes: ”Eye hundred times, it is better to do it again. " Hands-on teaching this teaching method, in line with children like to play with yourself, try