Research On The Teaching Strategies Of High School Biology Concept Based On Schema Theory

The concept of biology is the basic component of the high school biology curriculum.It is a descriptive knowledge that reflects the nature of things abstractly summarized from a series of biological facts or phenomena.The validity of the biological concept learning directly determines the achievement of learning objectives.The results of literature analysis and related concept representations show that the concepts learned by most students are still isolated and fragmented and cannot accurately represent the connotation and extension of concepts.Due to poor concept acquisition,the system's knowledge structure cannot be constructed,which leads to the failure to use cognitive schema to learn new knowledge or solve related problems.Based on the analysis of literature analysis and conceptual representation level,the author proposes the teaching strategies of biology concepts under the schema theory,including the overall construction strategy,the sample learning strategy,and the schema identification strategy.It is expressed as follows:First,the overall construction strategy isused.Incorporate the concepts into the concept system,clarify the status and role of the concepts learned in the concept system;secondly,use sample teaching strategies to achieve concrete and vivid results.Starting from the biological facts(examples)of the image,the concept of the concept is abstracted,the extension of the concept is generalized,the internal abstraction is revealed as explicit and concrete,and the concept is understood;furthermore,the schema identification strategy is adopted to construct the conceptual model and solve the problems.The cognitive schema reinforces the concepts which students should be learned.This study adopts the teaching experiment method to test the effectiveness of the above-mentioned concept teaching strategies.The experimental results show that the teaching strategies of biology concepts under the schema theory can effectively promote the concept acquisition and formation of students and improve the teaching of biological concepts' effectiveness.