《面向21世纪上海市小学自然科学教育改革行动纲领》的研究报告深刻剖析了几次课程改革中的得失和教学活动中存在的问题,它这样指出:教学活动因课堂内容、课堂教学时间及空间和教师素质等因素限制,学生的自主活动空间狭小、参与程度不够,使学生科学素养的全面提高受到影 The report of “Action Plan for Natural Science Education Reform for Shanghai Primary School in 21st Century” profoundly analyzes the problems in gains and losses and teaching activities in several times of curriculum reform. It points out that the teaching activities are often influenced by classroom content, classroom teaching time and space And the quality of teachers and other factors, the student's small space for independent activities, participation is not enough, so that the overall improvement of students' scientific literacy by the video