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Undergraduate Pre-Service Teachers' Understandings and Misconceptions of Phase Equilibrium

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Nursen Azizoglu

Department of Secondary Science and Mathematics Education—Chemistry Education, Balikesir University, Balikesir 10100, Turkey

Mahir Alkan

Department of Chemistry, Balikesir University, 10100 Balikesir, Turkey

Ömer Geban

Department of Secondary Science and Mathematics Education—Chemistry Education, Middle East Technical University, 06531Ankara, Turkey

J. Chem. Educ., 2006, 83 (6), p 947

DOI: 10.1021/ed083p947

Publication Date (Web): June 1, 2006

Section:

History, Education, and Documentation

Abstract

This study aimed to reveal pre-service chemistry teachers' misunderstandings in phase equilibrium. An open-ended test was developed in the light of the findings obtained from the related literature, interviews with instructors and investigation of physical chemistry course examination papers belonging to the last three educational years. The instrument was administered to 59 pre-service chemistry teachers in the Faculty of Education in a public university in Turkey. Eighteen misunderstandings were identified through analysis of the answers. The results indicated that some misunderstandings originated from a misuse of Le Chatelier's principle and the ideal gas law. Other reasons for the misunderstandings were incorrect interpretation of graphs and inappropriate generalizations of facts or formulae.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Chemical Education Research

Keywords (Feature):

Chemical Education Research

Keywords (Pedagogy):

Misconceptions / Discrepant Events

Keywords (Subject):

Phases / Phase Transitions / Diagrams

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