FIELD: information technologies.
SUBSTANCE: according to invention, device comprises foundation, vertical stand, horizontal holder, on which tested body is fixed, with the possibility of its heating and spontaneous cooling down to room temperature. Invention peculiarity consists in the fact that tested body is arranged in the form of helical spring made of alloy with effect of shape memory, which is fixed with its upper end on holder, and set of weights is fixed to its lower end, at the same time between tripod holder and weight there is a model of crystalline structure additionally installed in plane in the form of hingedly joined rods and disks installed in hinged units.
EFFECT: improved visibility to demonstrate to students a continuous link of atom-molecule structure of substance with its macroscopic properties.
2 dwg
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