从 2 0 0 0年开始使用的高中物理试验修订本设立了“课题研究”项目 ,提出要在高级中学中开展课题研究 ,其主要目的是全面培养学生综合运用所学知识能力 ,收集和处理信息能力 ,培养学生独立思考习惯 ,激发学生创新意识 .本文介绍一个探索性实验 ,用描迹法画出电冰箱内温度随时? The revision of the senior high school physics test, which has been in use since 2000, has set up a “Project Research” project, which proposes to carry out research projects in high schools. Its main purpose is to fully train students to use the knowledge they have learned and to collect and process information. Ability to develop students’ independent thinking habits and stimulate students’ sense of innovation. This article describes an exploratory experiment. Draw the temperature inside the refrigerator at any time by tracing.