The Chemistry Limited Teaching In Middle School Based On Cognitive Development

The research on the chemistry limited teaching in middle school based on cognitive development mainly contains several aspects:summarizing the terminability of cognitive development, performing the basic dialectical view that limitness and development are interdepndent and the idea that taking student as center, taking the cognitive development and cultivating scientific literacy as the goal of teaching. Started from the phenomenon of the teaching process differences in the level of students'cognition, the goal of teaching and the limiting education circumstance. The article attaches the importance of the doctrine culture and the guidance of dialectical materialism in study practice process. On the basis of the curriculun standard and curriculum content, the research that created the mode of chemistry limited teaching in middle school based on the students' cognitive development. In order to achieve the teaching goals of three object, this teaching mode puts the recent development as an internal growing point, the meaningful learning as the internal drive, the effective teaching as the external drive.On the other hand, this article uses the mode that "information-knowledge-literacy" and "new information-new knowledge-new literacy" to promote the sustainable development of chemical knowledge. Based on this model, the stduy carry out the research and consider fully the subjective and objective factors of education teaching, attached great importance to the teaching design, the teaching strategy, the education opportunity, so as to promote the sustainable development of student cognitive.