Banca de DEFESA: GILLES BASTOS E SILVA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : GILLES BASTOS E SILVA
DATE: 05/04/2024
TIME: 14:00
LOCAL: Container 2 - sala de webconferência do IQ
TITLE:

THE TEACHING OF STOEQUIOMETRY IN HIGH SCHOOL MEDIATED BY A POTENTIALLY SIGNIFICANT TEACHING UNIT

KEY WORDS:

Stoichiometry; Meaningful Learning; Chemistry teaching

PAGES: 100
BIG AREA: Ciências Exatas e da Terra
AREA: Química
SUBÁREA: Química Inorgânica
SUMMARY:

Learning difficulties have always constituted challenges inherent to teaching. In this way, many theorists researched how we learn, and proposed methodologies that would facilitate the understanding of the contents. Initially, these methodologies were used in all disciplines, but it was noticed that each one has its particularities, and, consequently, there was a need to research and develop specific methodologies by area, mainly in the Natural Sciences, in particular, in Chemistry. There are several contents relevant to the understanding of Chemistry, among which we highlight Stoichiometry, whose intrinsic learning difficulties can be explained by the existence of three levels of description of matter, which are: macroscopic (observational), submicroscopic (atomic-molecular) and the representational (symbols, formulas and equations). In Stoichiometry, the student must be able to relate the transitions between levels, as well as make use of mathematical relationships and signify such relationships, often through a high capacity for abstraction, which is configured as a learning barrier for students from highschool. Faced with numerous difficulties, some questions remain related to the teaching-learning process, which are brought to students and teachers: How does learning in stoichiometry, mediated by a Potentially Significant Teaching Unit (UEPS), contribute to developing my ability to solve problems of everyday life? How to teach Stoichiometry in High School to promote meaningful learning? From these questions, we aimed, in general, to develop a potentially significant didactic unit on the content of stoichiometry. More specifically, we seek to contextualize the subject and its importance, apprehend the students' level of knowledge after applying the UEPS, analyze the view that teachers have about the use of UEPS for learning stoichiometry, work on mathematical relationships and the balancing equations, and using everyday instruments aiming at a multidimensional understanding of the theme. In this way, we justify, then, the development of a didactic sequence, which is elaborated through qualitative research and based on the theories proposed by Moreira and Ausubel, which can contribute to the understanding of the proposed theme and which allows students to learn the conceptual issues, as well as relate these concepts to situations in everyday life. As a result of the research, we will have the production of a potentially significant didactic unit, which aims to contribute to meaningful learning in Stoichiometry.

COMMITTEE MEMBERS:
Presidente - 1530500 - ANA CRISTINA FACUNDO DE BRITO PONTES
Interno - 2525587 - CARLOS NECO DA SILVA JUNIOR
Interno - 345799 - OTOM ANSELMO DE OLIVEIRA
Externa à Instituição - FABIANA ROBERTA GONCALVES E SILVA HUSSEIN - UFBA