The Development of the Teaching and Learning Method to Deepen Understanding and the Application to the Teaher's Education

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The purpose of this study is three points of the next. 1, We clarify how people gets possible to have interpretation to be able to have of the coherent and confident understanding about things and a phenomenon of nature 2, We clarify how people construct new knowledge. In addition, we clarify how people acquire the knowledge about the search method. 3, We clarify the requirement and skill that prompt to understanding and the deepening. And we establish the new and practical theory of teaching and way of that.The method of this reserch adopted to fieldwork and action reserch. We acted quantity and quality analysis about the process that children construct their knowledge of science and deepen their understandings.As follows, the content of this research consist of five parts. 1, We researched whether it is effective or not for deepen the understanding to prompt to talk with each other. 2, We researched whether it is useful or not for deepen the understanding to prepare for the student's idea visible in their externalization. 3, We researched whether if it is effective or not for deepen the understanding to prompt the reflection by using the externalization. 4, We researched that the effect of the teacher's revoicing in science class. 5, We researched whether it is effective or not for deepen the understanding working on the deductive learning. As a result, we found that it is effective for deepen the understanding to be discussed dividing into some small groups, to prepare the externalizing products at the discussion, to prompt the reflection and to use the way of deductive learning not only to use the way of inductive learning.