%0 Journal Article
%T Estudio de las preconcepciones sobre los cambios f¨ªsicos y qu¨ªmicos de la materia en alumnos de noveno grado
%A L¨®pez Gonz¨¢lez
%A Wilmer Orlando
%A Vivas Calder¨®n
%A Fernando
%J Educere
%D 2009
%I Scientific Electronic Library Online
%X the aim of this paper was to do a study on the preconceptions or previous ideas about the topic of physical and chemical changes of matter. the importance of this study lays on allowing us to have a general vision about the topic, to consequently establish strategies that help achieving longed goals such as meaningful learning. a sample was chosen from basic education ninth-grade students. a questionnaire was used as an instrument. the results obtained showed in general the preconceptions the sample had on the topic, they lacked a scientific conceptual structure, despite the previous school preparation from their primary and basic education schooling. these ideas persist and are shaped as mental structures of some significance.
%K preconceptions
%K science teaching
%K learning science
%K change of matter.
%U http://www.scielo.org.ve/scielo.php?script=sci_abstract&pid=S1316-49102009000200023&lng=en&nrm=iso&tlng=en