This research paper aims to propose a novel didactic sequence inspired by an historical/epistemological study of the evolution of spectroscopy and in particular of colorimetry. The working principles of the historical color comparators and the visual color matching method, first proposed by Duboscq, stimulated us in the development of a five-step…

Students' misconceptions concerning colour phenomena and the apparent complexity of the underlying concepts--due to the different domains of knowledge involved--make its teaching very difficult. We have developed and tested a teaching device, the addition table of colours (ATC), that encompasses additive and subtractive mixtures in a single…

In this science unit, kindergarten students participate in engaging and developmentally appropriate activities as they learn about the science behind rainbows. The authors include descriptions of the standards and skills addressed by the unit, a synopsis of scientifically accurate content knowledge concerning rainbows, relevant children's…