目前,由教育部基础教育课程教材发展中心举办、《实验教学与仪器》杂志社承办的“全国中学理科实验教学与小学科学教研优秀论文”评选活动正在全国各地顺利进行。本次论文评选活动规格高,意义大,必将鼓励广大教育工作者积极开展新课改和新实验教学环境下教育思想、教育方式、教育手段的创新,促进中学理科 At present, the “National Excellent Academic Papers on Science Experiment Teaching and Primary School Science Teaching and Research” organized by the “Basic Teaching Courses Development Center of the Ministry of Education” and sponsored by the “Experimental Teaching and Instrumentation” magazine are progressing smoothly throughout the country. The selection of this paper has high specifications and great significance. It will surely encourage the majority of educators to actively carry out innovations in education ideas, education methods, and education methods under the new curriculum reform and new experimental teaching environment, and promote the science of middle schools.