实验是科学学科形成和发展的基础,是培养学生严谨的科学态度、审慎的科学思维与思辩的科学方法的重要方式.随着课程改革的进一步深入,科学实验已经成为科学课程不可或缺的部分,其效果与质量成为衡量科学课堂教学实效性的重要指标之一.在科学实验教学中目前普遍存在着以下几方面问题:1.教师讲得多,留给学生动手的时间不够;2.学生动手能力差,课堂 Experiments are the foundation of the formation and development of scientific disciplines, and are an important way of cultivating students’ rigorous scientific attitudes, prudent scientific thinking, and scientific methods of debate. With the deepening of curriculum reform, scientific experiments have become an integral part of science courses. , Its effect and quality have become one of the important indicators to measure the effectiveness of science classroom teaching. In the scientific experiment teaching, there are generally the following problems: 1. The teacher speaks more, leaving enough time for students to start; 2. Students Poor hands-on ability, classroom