It is possible to study the uniform motion by using common objects taken from daily life. Cans, balloons, test tubes, olive oil and glycerine allow to make self-made devices, which are easy to handle and to use. The choice of using common materials let all students reproduce the most of this equipment at home and carry out the experiments by themselves. […]
Simple transmitters and receivers of ultrasonic power allow the direct measurement of wavelength and speed of sound in air with precision of 1% or better. They may also be used for qualitative observations of diffraction and interference phenomena. […]
This paper describes some applications of the synchrotron radiation emitted by ELETTRA a third-generation dedicated synchrotron built near Trieste. ELETTRA will be a very strong source of well collimated X-rays. Among the uses of such radiation, Super-ESCA spectroscopy will allow very fast chemical analysis of surfaces, […]
Some non conventional experiments on thermometry and water density carried out in lower secondary school are described. A novel development of basic research on free convection in water was suggested by the analysis and discussion with children of the features of a “wrong thermometer”. […]
Objects easy to find and to manipulate (as plasticbotttes and tins) are used here to make expreriences aiming at producing a sence of surprise and delight in students, to stir their interest, get them to repat the experiences gone through, interpret the physical meaning and plan new ones. […]