O uso de sólidos no ensino de química com enfoque CTSA.

Abstract

Education with approach in science technology and environment in chemistry teaching emphasizing its importance in transmitting to the student a social, technological and environment, relating to the contents studied in the classroom, enabling scientific knowledge and helping them to build values, knowledge and skills needed to solve science and technology issues in society, making responsible decisions. This work aims at the elaboration of a didactic sequence, on solids with CTSA teaching approach. To this end, the sequence didactics with 10 students enrolled in the Experimental Chemistry for Education discipline At UFCG, whose purpose was to diagnose with higher education students about the importance of the use of solids in chemistry teaching, relating them to the technology, society and the environment and use it as a teaching methodology to work in the classroom with high school students so that they form critical citizens and aware knowing the importance of studying chemistry. To this end, we selected some solid materials that are present in our daily lives, widely applied in industry, architecture, health, construction, among others, and are of paramount importance for society, were the glass, carbon allotropes, graphite, diamond and nanotubes of carbon; ice, solid chloride and metal alloys: 18 carat gold, stainless steel and amalgam, calcium fluoride.It was used as a data collection instrument before and after the completion of the didactic sequence. Research has revealed that the didactic sequence with CTSA approach applied in the subject of Experimental Chemistry for Basic Education showed effectiveness for meaningful student learning. In addition to making a diagnosis of students' knowledge of solids, it can be seen that the resources such as the use of video on glass and workshops for the construction of Solids are a way of making classes more dynamic and contextualized, making the student subject of your learning. Therefore, it was noticed that classes with CTSA approach favor the importance of students to know the solids and their applications in daily life.