Modelo atômico didático 3D como proposta de ferramenta educacional no ensino das propriedades periódicas dos elementos químicos

Abstract

The changes in the LD follow the needs of society and the development in each period. This study aims to analyze the content approach Periodic Properties of Chemical Elements, PPCE, in the Chemistry Textbook, CT, (Chemistry 1 - High School by Eduardo Fleury Mortimer and Andréia Horta Machado, 3rd edition, São Paulo, 2017) approved in PNLD 2018, for the promotion of scientific literacy, SL, through elements of Scientific Literacy Indicators, SLI, proposed by Pizarro (2014). This is a qualitative bibliographic research addressing the methodology proposed by Bardin (2011) for content analysis. For this survey, a form was used adapting the SLI to analyze the CT. From the adapted form, it was possible to decode the SLI elements and quantify them. The results showed that less than 40% of the SLI were identified in the topic of PPCE, highlighting the SLI Argumenting, Reading in Science and Writing in Science. From these results, a proposal for a 3D Didactic Atomic Model (DAM), interactive, of low cost was prepared to fill the observed gaps. DAM is a proposal for an educational tool that aims to promote SL through the use of active teaching-learning methodologies for the study of PPCE and related subjects.