During the Thai high-school physics teacher training programme, we used an aluminum loop-the-loop system built by the Institute for the Promotion of Teaching Science and Technology (IPST) to demonstrate a circular motion and investigate the concept of the conservation of mechanical energy. There were 27 high-school teachers from three provinces,…

To overcome students' inaccurate prior knowledge on primary additive colours, a coloured-light mixer has been constructed to enable students to observe directly the colours produced and reach the conclusion by themselves that the three primary colours of light are red, green, and blue (NOT red, yellow, and blue). Three closely packed tiny…

A low-cost celestial globe is developed to support astronomical coordinate learning. It is used for demonstrating how stars are positioned and to analyse the motion of celestial bodies or diurnal motion. The model was implemented at a weekend astronomy camp provided for students from schools in the northeastern region of Thailand. A series of…