Alternativas metodológicas no ensino técnico no tema: Ácido – Base

Abstract

The present work is the product of a research carried out on the applicability of alternatives methodological approaches that can be used in technical education during the teaching of the topic acid - base. In order to achieve the objective of this work, bibliographic research, the elaboration of of posters that later were used in pedagogical experimentation at Instituto Comercial Maputo and carrying out chemical experiments in the classroom using local material. Throughout the work, the methodological orientation for teaching the theme Acid - Base. For the pedagogical experimentation, two classes were used with pedagogical use approximately the previous quarter. One of the classes was used as the class of experimentation (where teaching materials were used - posters and experiments were carried out chemicals) and the other as the control group (where no posters were used and no chemical experiments were carried out). After the pedagogical experimentation, it was found that in the experimentation class the percentage of pedagogical achievement was higher in relation to the control class. Gonçalves, Ezequiel Guinda Júnior Degree work