The common ruler can be used in the school physics lab for simple but effective and surprising experiments. The article illustrates a series of experimental activities using rulers of different lengths and characteristics and other common material. […]
The multimedial software “Inside the Atom” introduces atomic structure through an historical perspective. A test was carried out with fourth year students of a scientific highschool aimed at: (1) finding what difference in learning was achieved by using the software, with respect to traditional practice; […]
This article deals with the very familiar phenomena in which vapour condenses, clouds are formed and, finally, it rains. It explains how this happens and why surface shape and not only temperature plays an important role in the process. […]