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小学科学是对儿童进行科学启蒙教育的一门重要的基础性学科,其教学只有在探究中才能使学生的学习天性得以自由释放,进入“乐知”、“好知”的学习生态。运用“教师、媒体、学生”三维双向反馈构成的信息交换系统促进课堂教学的优化组合,这一系统反映了主导、信息、主体之间的相互关系。因此,课堂教学设计必须考虑教师的教学活动,学生的学习活动,教学媒体的选用等方面的问题以及它们之间的相互关系。
Primary school science is an important basic discipline for children’s scientific enlightenment education. Only when it is explored can primary school science be free to release students’ learning instincts and enter the study of Ecology. Using the “teacher, media, student ” three-dimensional bi-directional feedback information exchange system to promote the optimal combination of classroom teaching, the system reflects the dominant, information, the relationship between the subjects. Therefore, the classroom instructional design must consider the teacher’s teaching activities, the students’ learning activities, the selection of teaching media and other issues as well as their interrelationship.