在自然教学中，实验作为帮助学生获得科学知识的重要手段占有很大比重。经过教学实践，我们认为在自然实验课中，发挥学生主体作用，引导学生自主活动，让学生自行探讨，得出科学结论是提高学生素质，培养学生综合能力、发展个性行之有效的方法。互作好实验准备，创造获取知识? In nature teaching, experimentation is a large part of an important tool to help students gain access to scientific knowledge. Through teaching practice, we think that in the course of natural experiment, we should give play to the role of students as the main body, guide the students to carry out their own activities, let the students explore on their own, and draw scientific conclusions as an effective way to improve the quality of students, develop students' comprehensive abilities and develop their personality. Good interoperability experiment preparation, to create access to knowledge?