Potencialidades do uso de software em sequência didática no ensino de conceitos de oxirredução

Abstract

Science students, in particular Chemistry, must understand science in its entirety, having to learn notions of what occurs in the submicroscopic environment of mat-ter, which is reflected in the macroscopic environment, as well as the aspects of language that mediate chemical concepts. In this work we address the following problems: what are the didactic potentialities of the use of an educational soft-ware to learn the concept of oxidation in metals by high school students. This qualitative research was carried out with seven students of the third year of High School of a State College located in the municipality of Tamboara / PR, from April to May 2016, and had as main objective to analyze a methodological proposal regarding the Experimentation linked to information and communication technol-ogy (ICT), about the concept of oxidation in metals, which involved the use of appropriate software. The results were analyzed based on James Wertsch's The-ory of Mediated Action and after analyzing them, we found several levels of Do-minion (weak, moderate and strong) as well as several levels of appropriation (weak, moderate and strong). According to Wertsch (1999), when dominating or appropriating, the subject obtains a meaning from the concepts learned, in this case, oxidation processes. This fact, reveals that the process which was medi-ated during the teaching, exceeded the information and enabled the student to obtain knowledge of all the oxidative processes.