• Journal of the Korean Chemical Society
• /
• v.66 no.6
• /
• pp.459-471
• /
• 2022

The purpose of this study is to develop the workshop to improve teachers' questions considering the context of discourse. Four pre-service science teachers in the fourth grade participated in the study. Pre-service science teachers participated in the workshop. The characteristics of their reflection on the question considering the context of discourse were analyzed. Pre-service science teachers considered the types of questions they learned in the workshop during the reflection. But the affective domains of students were rarely considered. Whether the students respond was considered as an important factor of reflection. The questions were evaluated based on the frequencies. A single question without context was reflected on. Various PCK elements were not considered comprehensively. Based on the results, the practical implications to develop a program for improving teacher expertise related to the questions considering the context of discourse were discussed.

• Journal of the Korean Society of Earth Science Education
• /
• v.4 no.3
• /
• pp.278-296
• /
• 2011

The purpose of this study is to examine the pedagogical content knowledge (PCK) elements and the changes in the science lesson planning and implementation difficulties experienced by high-career elementary school teachers with over 20 years of educational experience through the instructional consulting case of the Seoul City Office of Education Scholarship Support Group in order to find implications on effective instructional consulting support plan for improving the science teaching professionalism of high-career elementary school teachers. The result of this study is as follows : First, the pedagogical content knowledge (PCK) elements on the science lesson planning and implementation difficulties experienced by high-career elementary school teachers with over 20 years of educational experience were related to teaching strategy and they experienced difficulties in lesson content organization using lesson model and experiment facilitation and questioning, as well as in the area of interest and motive management that are definitional characteristic of learner in the learner element. Second, as for the changes in the PCK through science instructional consulting, they recognized the importance of the designing and experimenting process as students become the subject in the experiment facilitation in lesson, and they ended up attempting the postscript for promoting the thinking power of students. In addition, it was found that not only the cognitive characteristic but also the definitional characteristic of learner is important in science lesson and that students' motive is also an element that needs to be continuously managed. Third, as for effective instructional consulting plan for enhancing the science teaching professionalism of high-career elementary school teachers, it was revealed that it is necessary to first develop lesson expertise improvement consulting program that takes into account of teaching profession advancement phase of high-career teachers, and establish instructional consulting system and human resource pool of high-quality consultants based on the administrative and financial support from the Office of Education. The academic significance of this study is in the fact that it examined and searched for support plan on science teaching professionalism of high-career elementary school teacher, but a more extensive and in-depth study is needed since there is a limitation in this study on the object of study and the period.

• Journal of The Korean Association For Science Education
• /
• v.35 no.3
• /
• pp.455-463
• /
• 2015

Korea received foreign aid for science education in 1960-70, now, Korea is one of the most advanced countries in the world and provides not only official development assistance through government grants or ODA but also private aids through voluntary services to less developed countries. Korean science teachers have been offering voluntary services in Timor-Leste since 2004, starting on personal level and now by through the Korean Science Teachers Association. This study aims to describe the voluntary activity by Korean science teachers in Timor-Leste, to analyze the conflict points revealed in the activity, and to search the meaning of the activity in respect of science education. This study used methods like document analysis, interview of the participants, participants' observation, a case study, and member check. This activity has involved various conflicts in finance, curriculum, pedagogy, educational instrument, environment, language, chronological issues, and perceptions. This activity was not a one-sided offer of aid, but an opportunity for personal development and self-reflection, and a basis for discussion on science education. There are many difficulties in this work, which is carried out at the teachers' own expense. More concern should be paid on this volunteer service from educational institutions and academic world.

• Journal of The Korean Association For Science Education
• /
• v.18 no.2
• /
• pp.137-148
• /
• 1998

This study compared the innovative characteristics of science teachers who participated in the First Student Science Inquiry Olympic and those of science teachers who did not participate in the event. The subjects were science teachers in three groups: (1) the active participants in the Inquiry Olympic who supervised the students contestants, (2) the observers of the Inquiry Olympic who came to see the event, and (3) the ordinary teachers who did not come to the Inquiry Olympic and were sampled through stratified cluster sampling. The study instrument was a questionnaire; all the subjects received the survey questionnaire by mail. The return rate was 45%. In general, the Inquiry Olympic participants(both the student supervisors and the observers) demonstrated different characteristics from the nonparticipants in four categories. Firstly, the Inquiry Olympic participants showed higher level of self actualization, for example, interest in science education, higher inner motivation, stronger desire to innovate than did the nonparticipants. Secondly, the participants demonstrated more involvement in professional activities and greater degree of upward social mobility than the nonparticipants. Thirdly, the participants had communication behaviors different from nonparticipants, e. g.. greater leadership of public opinions, more experience of contact with the change agent, greater tendency to regard their school society as modern. Lastly, the participants had higher social status than the nonparticipants. Implications and suggestions are made for the utilization of the innovation-oriented science teachers to implement of innovations in the future.

• Journal of the Korean Society of Earth Science Education
• /
• v.14 no.3
• /
• pp.277-291
• /
• 2021

This study is to implicate for analyzing the expertise of Education for Sustainable Development (ESD) dealing with science-related social issues by reorganizing educational materials on climate crisis topics and analyzing in-depth class performance preparation and actual class by pre-service science teachers. As a result of the study, it was found that pre-service science teachers have the expertise to analyze the curriculum horizontally and extract subject-integrated elements, but it is difficult to perform convergent science classes by incorporating them into the social problem-solving process in actual classes. In addition, it was analyzed that through this study, pre-service science teachers came to think about the importance of having their own specialized expertise when they become school teachers through preparation for their classes integrating science-related social issues. Through the application of the reciprocal peer teaching applied in this study, giving pre-service science teachers of various expertise an opportunity to experience the process of designing and implementing integrated science classes while sharing their expertise will greatly help them improve their convergence education.

• Journal of Korean Elementary Science Education
• /
• v.43 no.4
• /
• pp.476-492
• /
• 2024

This study validated the factor structure of the indicators for measuring pre-service teachers' science teaching-learning competency and analyzed the effects of simulated teaching practice on these competencies. Furthermore, it used response data from 175 pre-service teachers to verify the factor structure of the science teaching-learning competency indicators, and the data from 73 respondents from three departments to examine the effects of simulated teaching practice. To analyze the factor structure of science teaching-learning competency, the content validity index was calculated by five elementary school teachers, and the principal axis factoring with the Promax rotation and reliability analysis were conducted. Moreover, using, a paired sample t-test, the comparison of science teaching-learning competencies before and after simulated teaching practice was analyzed. The study results are as follows. The science teaching-learning competency indicators were revised and supplemented by 30 items under five factors, with a content validity index of .94. The exploratory factor analysis confirmed that 30 items were loaded onto the intended factors, and the reliability of the indicators was found to be .953 (in the sub-factor .829-.918). The paired sample t-test results revealed significant improvement in the pre-service teachers' science teaching-learning competencies before and after the simulated teaching practice. Furthermore, this study verified the significant effect of the simulated teaching practice on the pre-service teachers' science teaching-learning competencies and explained the need for continued implementation of the simulated teaching practice to reflect the specifics of school teaching in the pre-service teacher education curriculum. Moreover, it suggests the necessity of developing evaluation scales for the observer-rated scale, in addition to the self-report scales, to measure the teaching-learning competencies.

• Journal of the Korean Society of Earth Science Education
• /
• v.12 no.3
• /
• pp.252-260
• /
• 2019

The purpose of this study is to assist school science class by investigating effective Earth's rotation experiments of districts by school level. The researcher investigated or developed nine experiments for learning Earth's rotation, and conducted and discussed these experiments with 26 elementary school teachers. Each teachers chose an effective Earth's rotation experiment for the district and wrote the reason. As a result, elementary school teachers chose the experiment that is easy to prepare and to do. And elementary school students are interested in the experiments by conducting them on their own. Middle and high school teachers chose more difficult experiments that could be connected with other concepts. University teachers chose effective experiments based on application of knowledge, active exploration, computer literacy, and difficulty.

• Journal of Korean Elementary Science Education
• /
• v.33 no.1
• /
• pp.172-180
• /
• 2014

The first purpose of this study is to distinguish difficult chapters in 'Speed of objects' chapter and find the factors which give difficulty to the teachers and students. Also, it attempts to compare the students' assessment scores with the degree of difficulty in teaching and also with the degree of difficulty in learning. This report is expected to help science teachers develop their PCK(Pedagogical Content Knowledge) for teaching the chapter professionally. 15 teachers who had taught the 'Speed of Objects' chapter and their 386 students took part in the survey to acquire information about the difficulties in teaching and learning. 386 students also received a test to examine their understandings of the chapter. The results of this study are as follow; First, the degree of teachers' and students' difficulty is only affected by the contents, and the degree of onerousness felt by teachers is higher than that of students. Second, The topics caused higher difficulty to teachers were 'Understanding the meaning of motion(2nd lesson)', 'Understanding the meaning and unit of speed(5th lesson)', 'Changing unit of speed(6th lesson)', 'Drawing a distance-time graph(7th lesson)', and 'Understanding the relative motion(10th). The topics that led higher difficulty to students were the contents of 5th, 6th, and 7th lessons. Third, the 'Speed of Objects' chapter can be divided into 4 types of difficulty according to the degree of teaching and learning; 'Strong difficulty', 'Learning difficulty', 'Weak difficulty', and 'Teaching difficulty'. Last, students showed low achievement to the tasks that were related with 'Strong difficulty' and 'Teaching difficulty'.

• Journal of Society of Preventive Korean Medicine
• /
• v.21 no.3
• /
• pp.51-63
• /
• 2017

Objectives : The objective of this study was to establish the direction of school doctor of Korean Medicine. Methods : In 2017, 630 middle school students, 212 teachers, and 294 parents participated in the survey. Frequency analysis and Chi square were used for statistical analysis. Results : The students' perception was relatively high for school physicians, but parents and teachers were not as high as 71.6% and 72.3%, respectively. The students had the most education experience of 'drug abuse, smoking, alcohol prevention'. All students, teachers, and parents were selected as priority for "daily life and health" in the field of health education. 85.6% of students, 95.3% of parents, and 89.4% of teachers answered "helpful" and "very helpful" as health education by Korean medicine doctor. The students', teachers', and parents' wishes for health education by school doctor of Korean Medicine were 'good way to grow in health'. Conclusions : Middle school students, teachers, and parents are all interested in school doctor of Korean Medicine. They should find out what they want and need and reflect on the health education program of middle school students.

• Journal of Korean Elementary Science Education
• /
• v.22 no.2
• /
• pp.138-148
• /
• 2003

This study was to analyze how elementary school science textbooks explain dissolution and to examine the patterns of elementary school teachers' conceptions on dissolution and the teaching practices on dissolution of elementary school teachers. According to the result of the textbook analysis, the textbooks based on the 7th curriculum didn't explain dissolution very differently from those based on the 6th curriculum. The contents dealing with dissolution in the textbooks of 7th curriculum became difficult gradually as the year went up, but the connected organization of the contents made students learn it easily. For example, in order to learn dissolution introduced first in the 3rd year 2nd semester textbook, students would tell soluble substance in water from insoluble substance in water as they put powdered substance in water. In the 5th year 1st semester textbook students were supposed to acquire the knowledge related to dissolution through the designed activities such as comparing solubility produced by different solvents and defining a solvent, a solute, dissolution, and a solution. In addition, teachers' guide for 5th year 1st semester textbook elucidated the principle of dissolution using attraction concept that was scientific. The result of the survey on teachers showed that 90% of elementary school teachers understood the dissolution of salt in water just as millet particles' filling the space between bean particles and they responded that they demonstrated millet particles' filling the space between been particles when they taught the dissolution of salt in water. When it comes to teachers who had the right idea on dissolution as the attraction conception, understanding was one thing and teaching was another, because they often instructed dissolution as the space conception in the real teaching.