SPEECHES INTERACTIONS AND THE TIME DISTRIBUTION OF CHEMESTRY CLASSES BASED ON SITUATION OF STUDY

Abstract

This article was produced inside a subproject of undergraduate research that investigates study situations (SS) in High School. The focus research is to analyze the distribution of the time between speech/ actions of the teacher and the students in this process, as well as the types of discursive interaction that manifest themselves in chemistry classes. The data were produced from video recordings of the SS “Water and Life”. The classes’ analysis is referenced in Amaral and Mortimer (2006), with map preparation of activities and teaching episodes, and Mortimer et al (2007) for analysis of the types of discourse in the classroom. A special attention was given to the time that the teacher uses in each episode and discursive period. It was found that considerable time is compared with the time that students use for a variety of enunciations. We show some specificities in classes that deserve further study.