Abstract
One basic concept for understanding colour phenomena is the concept of vision. Although vision seems to be quite a natural and simple thing, students are often not familiar with the mechanism behind perceiving objects or even “the colour of objects”. This contribution introduces a simple hands-on experiment, the Colour Vision Tube. The Colour Vision Tube facilitates the experience of seeing “coloured” objects illuminated with other than white light sources. These experiences support students in understanding the relevance of the illuminating light and the conception of selective reï¬ection for colour vision.
Highlights
IntroductionIt is frequently quite challenging for students to explain such phenomena based on adequate scientific concepts
They are mostly able to reproduce the laws of colour mixing, they can hardly account for colour impressions produced by objects illuminated with other than white light sources
We developed a hands-on experiment, the Colour Vision Tube, which can be used in class to demonstrate such colour effects
Summary
It is frequently quite challenging for students to explain such phenomena based on adequate scientific concepts. This contribution focuses on body colour phenomena. (Andersson & Karrqvist, 1983; Driver, Guesne & Tiberghien, 1985; Fetherstonhaugh & Treagust, 1992; Viennot & de Hosson, 2012). They are mostly able to reproduce the laws of colour mixing, they can hardly account for colour impressions produced by objects illuminated with other than white light sources. We developed a hands-on experiment, the Colour Vision Tube, which can be used in class to demonstrate such colour effects
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