《科学(3—6年级)课程标准(实验稿)》指出:“科学学习要以探究为核心。”“在小学阶段,儿童对周围世界有着强烈的好奇心和探究欲,他们乐于动手操作具体形象的物体,这一时期是培养科学兴趣、体验科学过程、发展科学精神的重要时期。”根据科学课程改革的新思想和新理念,科学课的实验探究必须注重开放性,也就是要摒弃过 The Science (Grades 3-6) Curriculum Standard (Experimental Draft) states: “Science must be centered on inquiry.” “At the elementary level, children have a strong curiosity and inquiry about the world around them, Image of the object, this period is to cultivate interest in science, experience the scientific process, the scientific spirit of the important period of development. ”According to the new ideas and new ideas of scientific curriculum reform, scientific inquiry must focus on the experimental open-minded, that is, to abandon