小学科学新课程标准明确指出“科学学习要以探究为核心”。实验无疑是科学探究的重要途径之一,在实验过程中需要学生进行自主、合作、开放、创造地探究,也需要学生像科学家那样进行规范化的操作,从而形成科学、严谨的实验习惯。然而在很多科学课中老师因缺乏对学 The new curriculum standard for primary science clearly states that “science learning should be based on inquiry”. Experiments are undoubtedly one of the important ways of scientific inquiry. In the process of experiment, students need to explore autonomously, cooperatively, openly and creatively. Students also need to standardize their operations as scientists to form scientific and rigorous experimental habits. However, in many science classes teachers lack of study