Development of Particle-level Computer Assisted Instruction Materials for the ‘Solution’ Chapter in High School Chemistry Textbook and Analysis of the Educational Effects

Baek, Seong-Hye; Kim, Jong-Hyeon; Kim, Jeong-Won; Park, Chan-Geun

doi:10.5012/jkcs.2006.50.2.163

Journal of the Korean Chemical Society

2006

DOI: 10.5012/jkcs.2006.50.2.163

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Development of Particle-level Computer Assisted Instruction Materials for the ‘Solution’ Chapter in High School Chemistry Textbook and Analysis of the Educational Effects

Seong-Hye Baek¹,

Jong-Hyeon Kim²,

Jeong-Won Kim³

et al.

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Cited by 2 publications

References 7 publications

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Secondary School Science Teachers' Perceptions about the MixingPhenomenon Related to Dissolution and Diffusion

Hur¹,

Seounghey²

2009

Journal of the Korean Chemical Society

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ABSTRACT. The aim of this study was to research the characteristics of science teachers' thinking related to dissolution and diffusion. For this study, five science teachers who majored in chemistry or chemistry education were selected and interviewed. These teachers have been teaching on average for 2∼6 years. From the study, it was discovered that the science teachers didn't recognize the necessity of sorting out diffusion from dissolution. The teachers divided in various mixing phenomena with diverse criteria. The science teachers had difficulty in sorting out diffusion from dissolution based on solubility and Gibbs' energy. The teachers didn't see the linkage between the contents that were divided into chapters, and didn't find omitted contents themselves in the chapters that introduced applicable principles. During the interviews, the teachers felt the need to understand the principles for understanding phenomena. But they did not have the ability to teach these principles after learning about the principles themselves. Therefore, it is necessary to develop teacher education programs, as well as a science curriculum, that helps in linking the knowledge between natural phenomena and principles.

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Secondary School Science Teachers' Perceptions about the MixingPhenomenon Related to Dissolution and Diffusion

Hur¹,

Seounghey²

2009

Journal of the Korean Chemical Society

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Knowledge State Analysis of Ionic Equation for Middle School Students

Yoon¹,

Lee²,

Kim³

2015

Journal of the Korean Chemical Society

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ABSTRACT. The purpose of this study is to investigate middle school students' understanding of ionic equation. Two hundreds and nineteen middle school students were participated in the study. After six class hours of learning 'electrolyte and ion' unit, instrument was implemented to evaluate students' understanding of ionic process and ability to write ionic equation. We analyzed the influence of characteristics of ionic compounds on correct answer rate. In addition, knowledge state of students required for writing ionic equation was analyzed. The results were as follows: First, ionic compounds tested were categorized into six groups. The correct answer rate was different depending on the characteristics of each group. Second, knowledge state required for writing ionic equation was structured. Based on results some suggestion were made to develope effective learning strategy for understanding ionic equation.

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Development of Particle-level Computer Assisted Instruction Materials for the ‘Solution’ Chapter in High School Chemistry Textbook and Analysis of the Educational Effects

Cited by 2 publications

References 7 publications

Secondary School Science Teachers' Perceptions about the MixingPhenomenon Related to Dissolution and Diffusion

Secondary School Science Teachers' Perceptions about the MixingPhenomenon Related to Dissolution and Diffusion

Knowledge State Analysis of Ionic Equation for Middle School Students

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