“三步走”是指在小学自然实验课教学中,根据实验课内容,教师把实验教学过程分为三个步骤进行教学的活动过程:首先以教师讲解、演示、引导为主,初步教给学生做实验的基本方法;第二步由教师引导进行实验,即教师对学生采取由扶着走到半扶半放进行实验活动的过程;第三步让学生独立进行实验,教师作宏观调控,逐步培养学生做简单实验的能力。 The “three steps” means that in the experiment of natural experiment in elementary school, according to the contents of the experimental lesson, the teacher divides the experimental teaching process into three steps to carry out the teaching process: first, the teacher mainly talks, demonstrates and guides, Students do the basic method of experiment; the second step by the teacher to guide the experiment, that is, teachers take the students to embark on the half-help and half-let the process of experimental activities; the third step allows students to conduct experiments independently, teachers for macro-control, Gradually train students to do simple experiments.