Resultats globals: 2 registres trobats en 0.03 segons.
Articles, 2 registres trobats
Articles 2 registres trobats  
1.
7 p, 318.3 KB ¿Cómo flotan los cuerpos que flotan? Concepciones de los estudiantes / Barral, F. M.
A research was canied on pupil's ideas, from Primary School to University, on the flotation of cork, wood and ice on water. Different alternative ideas were found, being the commonest the belief in some bodies floating over the water surface, without any submerged volume. [...]
1990
Enseñanza de las Ciencias, V. 8 n. 3 (1990) p. 244-250  
2.
6 p, 268.4 KB "El café tiene cafeína y nos despierta, nos da energía" : concepciones sobre la energía química, una buena razón para poner de acuerdo a los profesores de Física y Química y ciencias Naturales / Gallástegui Otero, J. R. ; Lorenzo Barral, F. M.
A research was carried on students' conceptions about chemical energy. The experimental sample were students from primary level to university. Word association tasks and a paper and pencil question were used as instruments for collecting data. [...]
1993
Enseñanza de las Ciencias, V. 11 n. 1 (1993) p. 20-25  

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1 Barral, F. M.
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