Articoli rivista
Anno XXXVI - n.1 - gennaio/marzo 2003 Le risorse degli studenti per apprendere la fisica di base
With good reason, physics education research has focussed almost exclusively on student difficulties and misconceptions. This work has been productive for curriculum development as well as in motivating the physics teaching community to examine and reconsider methods and assumptions, but it is limited in what it can tell us about student knowledge and learning. […]
Anno XXXVI - n.1 - gennaio/marzo 2003 Le rotazioni elettromagnetiche
Two easy experiments devised to help undergraduate students understand the concept of non-conservative fields are suggested. The idea is inspired by the early work of Faraday on the interactions between magnets and current carrying elements. In the first experiment two magnets rotate around a linear conductor; […]
Anno XXIV - n.3 - luglio/settembre 1991 Le trasformazioni energetiche (Scuola media statale “S. Taricco”, Cherasco CN)
This article describes an entry to the Bonacini Annual Contest lor experimental work in the school. The theme of the Contest was “Energy Transformations”. In their practical work, the 12-year old pupils built simple appliances in which different kinds of energy transfers took piace. […]
Anno XXVII - n.4 - ottobre/dicembre 1994 Legge e caso alle origini della fisica contemporanea
The European culture at the turn of the century developed a deep criticism of the concept of “natural laws”. In the meantime, the new concept of “statistical law” was found to be useful and fruitful. The paper proposes a review of the positions on this issue of the physicists and philosophers like Boltzmann, […]
Anno XLI - n.4 - ottobre/dicembre 2008 Leggi, dimensioni e segno di uguaglianza
The article discusses, with many examples, the difference between the universal meaning of physical laws (e.g. proportionalities between physical quantities) and their customary computable representations. These require introducing auxiliary quantities and coefficients whose physical definitions and numerical values depend on the unit system chosen. […]