Dos analogías en la ense？anza del concepto de modelo científico: Análisis de las observaciones de clase

teaching about scientific models′ nature, as part of the nature of science, it is a priority objective recognised in science teaching. the purpose of this work is to verify the efficacy of a certain didactic proposal based on the use of analogies to understand the scientific model concept. it is presented a research design carried out by prospective teachers which includes the application of two analogies: black box and maps. both analogies have been improved in relation to what is developed in bibliography. in this work, the students` achievements are exhibited in qualitative terms, using class analysis observations and self-evaluation questionnaire. it is proved here that this proposal resulted in an advance in the understanding of the science model and modelling concept as well as nature of analogies as a pedagogic resource.