一、问题的提出新一轮课程改革强调重视学生的全面发展,提高学生的科学素养,在学习知识的同时更加注重能力的提高,原有的以教师为中心的教学模式已不能适应新课程改革的需要。建构主义教学模式以学生学习为出发点和归宿,强调学生之间的交流与合作,为教师课堂教学的再创造提供了条件和空间,与新课程的性质和基本理念高度一致。因此,建构主义成为了新一轮课程改革的理论基 First, the problem raised A new round of curriculum reform emphasizes the importance of all-round development of students, improve students’ scientific literacy, learning more knowledge at the same time pay more attention to the ability to improve the original teacher-centered teaching model can not adapt to the new curriculum reform Need. Constructivism teaching mode takes students ’learning as the starting point and destination, emphasizes the exchange and cooperation between students, and provides the conditions and space for teachers’ re-creation of classroom teaching, which is highly consistent with the nature and basic concepts of the new curriculum. Therefore, constructivism has become the theoretical basis of a new round of curriculum reform