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Selection of authentic modelling practices as contexts for chemistry education

[journal article]

Prins, Gjalt
Bulte, Astrid M.W.
Pilot, Albert
Driel, Jan van

Abstract

In science education, students should come to understand the nature and significance of models. In case of chemistry education it is argued that the present use of models is often not meaningful from the students’ perspective. A strategy to overcome this problem is to use an authentic chemical model... view more

In science education, students should come to understand the nature and significance of models. In case of chemistry education it is argued that the present use of models is often not meaningful from the students’ perspective. A strategy to overcome this problem is to use an authentic chemical modelling practice as a context for a curriculum unit. The theoretical framework for this strategy is activity theory rooted in sociocultural theories on learning. An authentic chemical modelling practice is characterized by a set of motives for model development through a well defined modelling procedure using only relevant issue knowledge. The aim of this study was to explore, analyse and select authentic chemical modelling practices for use in chemistry education. The suitability of the practices was reviewed by applying a stepwise procedure focussed on criteria such as students' interest and ownership, modelling procedure, issue knowledge and feasibility of the laboratory work in the classroom. It was concluded that modelling drinking water treatment and human exposure assessment are both suitable to serve as contexts, because both practices exhibit clear motives for model construction and the applied modelling procedures are in line with students' pre-existing procedural modelling knowledge. The issue knowledge involved is consistent with present Dutch science curriculum and it is possible to carry out experimental work in the classroom for model calibration and validation. The method described here to select and evaluate practices for use as contexts in chemistry education can also be used in other science domains.... view less

Classification
Curriculum, Teaching, Didactics

Free Keywords
chemistry education; secondary school; design study; modelling; authentic practices

Document language
English

Publication Year
2008

Page/Pages
p. 1867-1890

Journal
International Journal of Science Education, 30 (2008) 14

DOI
https://doi.org/10.1080/09500690701581823

Status
Postprint; peer reviewed

Licence
PEER Licence Agreement (applicable only to documents from PEER project)


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© 2007 - 2025 Social Science Open Access Repository (SSOAR).
Based on DSpace, Copyright (c) 2002-2022, DuraSpace. All rights reserved.