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Articles, 3 records found
Articles 3 records found  
9 p, 470.5 KB La construcción del concepto de mineral : bases históricas y un diseño de enseñanza-aprendizaje / Gallegos, José A.
This paper offers a practical model for the teaching-learning of the concept of mineral. It gives information related to the history of the concept. The selection of the suitable material for making this design appropriate to the different levels of the present educational system (or the immediate future one) is left at the choice of each teacher.
Enseñanza de las ciencias, V. 16 n. 1 (1998) p. 159-167  
6 p, 270.0 KB Errores conceptuales en Geología : los conceptos isotropía-anisotropía y propiedad escalar - propiedad vectorial / Gallegos, José A.
Herein an analysis is offered of the conception that first cycle university students have about the terms Isotropy-Anisotropy and Scale properties-Vectorial properties, that have been learnt only within the school limits. [...]
Enseñanza de las ciencias, V. 10 n. 2 (1992) p. 159-164  
6 p, 73.3 KB Reflexiones sobre la ciencia y la epistemología científica / Gallegos, José A.
From the epistemologic point of view, some constructivist trends seem to border on a extreme idealism of kantian overtones; they suggest that the natural world has no existence apart from what the individual creates in his mind. [...]
Enseñanza de las ciencias, V. 17 N. 2 (1999) , p. 321-326  

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