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Articles 15 registres trobats  anterior11 - 15  anar al registre: La cerca s'ha fet en 0.01 segons. 
11.
6 p, 316.7 KB Conceptos espontáneos sobre colisiones / Villani, Alberto ; Lopes de Almeida Pacca, Jesuïna
This work shows Physics Graduate students ways of thinking about the phenomenon of collisions and the physical quantities which are conserved in this process. Written questions and interviews about the described problems enabled us to analyse answers with expectations and explanations for the effect of simple and multiple collisions. [...]
1990 - 10.5565/rev/ensciencias.4952
Enseñanza de las ciencias, V. 8 n. 3 (1990) p. 238-243  
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12.
16 p, 882.4 KB Conflictos cognitivos, experimentos cualitativos y actividades didácticas / Villani, Alberto (Universidade de São Paulo. Instituto de Física) ; Orquiza de Carvalho, L. (Universidade Estadual Paulista. Facultade de Engenharia)
The article relates the results of a qualitative research with secondary school students on the cognitive conflicts about central collisions in mechanics. We put our attention to the interviewer's mediation in the origins, developments and conclusions of the conflicts. [...]
1995 - 10.5565/rev/ensciencias.4250
Enseñanza de las ciencias, V. 13 n. 3 (1995) p. 279-294  
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13.
10 p, 546.8 KB Un curso de actualización y cambios conceptuales en profesores de física / Almeida Pacca, Jesuïna Lopes de ; Pacca, A. ; Villani, Alberto
The behaviour of secondary school Physics teachers at an updating course was analysed; the results led to an indication of a conceptual change in their practice. The object of analysis and discussion was the actual pedagogical planning by the teacher. [...]
1996 - 10.5565/rev/ensciencias.4237
Enseñanza de las ciencias, V. 14 n. 1 (1996) p. 25-33  
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14.
10 p, 555.1 KB Evolución de las representaciones mentales sobre colisiones / Villani, Alberto (Universidade de São Paulo (Brasil)) ; Orquiza de Carvalho, L. (Universidade Estadual Paulista (Brasil))
The article concerns the results of a qualitative research with secondary school students on the evolution of their ideas about collisions in mechanics. We focus our attention on the mechanism of partial attainment of new ideas and the relationship between the resistance to change and the experimental situations. [...]
1997 - 10.5565/rev/ensciencias.4193
Enseñanza de las ciencias, V. 15 n. 1 (1997) p. 91-102  
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15.
10 p, 79.8 KB La competencia dialógica del profesor de ciencias en Brasil / Pacca, Jesuina Lopes de Almeida (Universidade de São Paulo. Instituto de Física) ; Villani, Alberto (Universidade de São Paulo. Instituto de Física)
The objective of this article is to undertake a deep analysis of the pedagogical aspects related to the teacher's dialogical ability under teaching conditions. The work begins with a study of the outline, content and meaning of activities that are considered to be able to stimulate an effective dialogue with students, according to opinions expressed by teachers. [...]
2000 - 10.5565/rev/ensciencias.4060
Enseñanza de las ciencias, V. 18 N. 1 (2000) , p. 95-104  
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4 VILLANI, A.
16 Villani, Alberto
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