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Ciência & Educação (Bauru)

Print version ISSN 1516-7313On-line version ISSN 1980-850X

Ciênc. educ. (Bauru) vol.11 no.1 Bauru Apr. 2005

http://dx.doi.org/10.1590/S1516-73132005000100008 

Un estudio sobre las investigaciones acerca de las ideas de los estudiantes en fuerza y movimiento

 

A study on researches about students ideas on force and motion

 

 

Silvia Giorgi; Sonia Concari; Roberto Pozzo

GIDEAF – Departamento de Física - Facultad de Ingeniería Química. – Universidad Nacional del Litoral. - Santiago del Estero – Argentina. E-mail: sgiorgi@fiqus.unl.edu.ar

 

 


RESUMEN

Se llevó a cabo un análisis exhaustivo de publicaciones sobre preconcepciones o ideas iniciales referidas al tema "cuerpos en movimiento", también comúnmente denominado "fuerza y movimiento". Se estudiaron los aspectos teóricos, metodológicos y conceptuales involucrados en una muestra de investigaciones consistente en 36 trabajos publicados en revistas especializadas y en libros de distintas procedencias y autores. Los sujetos participantes en las investigaciones abarcan distintos niveles y tipos de instrucción. Los resultados revelan, por un lado la existencia de distintos objetivos, diferentes posturas asumidas por los investigadores con relación a las ideas iniciales, fuentes de datos utilizadas variadas, así como heterogeneidad en los resultados obtenidos y en su interpretación. Por otro lado, del estudio realizado surge que si bien los sujetos no poseen una conceptualización científica de fuerza, en las representaciones que ellos construyen de los fenómenos mecánicos podrían estar involucradas significaciones del término Fuerza asociadas a otras magnitudes físicas tales como cantidad de movimiento y energía. Se concluye en la necesidad de abordar el problema de las preconcepciones desde una nueva perspectiva tanto teórica como metodológica.

Unitermos: investigaciones en Mecánica, preconcepciones, conceptos físicos, enseñanza, aprendizaje, significados.


ABSTRACT

An exhaustive analysis of publications about human preconceptions or initial ideas in regard to "bodies in movement" was carried out. Theoretical, methodological and conceptual aspects of a sample of 36 works on individuals of diverse levels of instruction and published in journals and books of different origins, were studied. Our findings revealed a great variety of goals as well as of postures assumed by the investigators with respect to preconceptions. Types of data sources as well as results and their interpretation showed also a great dispersion. From another point of view, the results of the present study suggest that although the subjects' conceptualization of force may be wrong, in their representations of mechanics phenomena therewould existed meanings of the word force associated with other physics' concepts such as momentum and energy. We conclude that it is the time for a new approach to the problem of preconceptions in both, theoretical and methodological fields.

Keywords: investigations about Mechanics, preconceptions, physics concepts, teaching, learning, meanings.


 

 

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

 

 

AGRADECIMIENTO

Este trabajo ha sido realizado en el marco de los proyectos CAI+D 2000-UNL, Código: 12/H193 y PICT CONICET 03080.

 

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