Collaborative discourse and the modeling of solution chemistry with magnetic 3D physical models-impact and characterization

Abdi Rizak M Warfa, Gillian H. Roehrig, Jamie L. Schneider, James Nyachwaya

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A significant body of the literature in science education examines students' conceptions of the dissolution of ionic solids in water, often showing that students lack proper understanding of the particulate nature of dissolving materials as well as holding numerous misconceptions about the dissolution process. Consequently, chemical educators have explored several instructional strategies to address this issue including the use of multimedia, computer animations, and hands-on activities. In this paper, we describe the ways in which the use of physical 3D magnetic molecular models during a cooperative inquiry-based activity on chemical bonding prompted classroom discourse on what counts as chemically justifiable and appropriate representations of dissolved ionic solids in water. In so doing, we use the intersection of science education and technology to research the role of models in science teaching, the nature of classroom discourse initiated by modeling activities, and unfolding changes in student conceptions and ultimately student learning.

Original languageEnglish (US)
Pages (from-to)835-848
Number of pages14
JournalChemistry Education Research and Practice
Volume15
Issue number4
DOIs
StatePublished - Oct 1 2014

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