Proposta de uma sequência didática baseada no ensino por investigação para abordar o conteúdo de eletrólise no ensino médio

Abstract

This word focuses on the proposal and analyses of a didactic sequence on the theme “Battery”. The sequence was elaborated for the development of the electrolysis contends in class of the 2nd or 3 and year of high school. The following methodological procedure was adopted: 1) Development of the Didactic Sequence on the theme Battery, 2) Analysis of the process of elaboration of the didactic sequence. The results show that the structure of the didactic sequence present characteristics teaching through research and bring elements of the dimensions of the epistemic and pedagogical. We have evaluated that this didactic sequence, because its contextualization in a daily theme, allows the students to have a more active participation, generating discussions and debates based on problems, questionnaires and experimental activities. Finally, this sequence also leads to environmental awareness of the incorrect disposal of batteries and their risks