• Journal of the Korean earth science society
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• v.31 no.4
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• pp.378-391
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• 2010

The purpose of this study was to investigate the graph interpretation ability and perception of high school students and preservice secondary teachers in Earth science. We developed two different instruments; one was a graph interpretation ability inventory that consists of 9 graph types with 18 items, and the other one is two questionnaires to explore the participants' perception about Earth science-related graph. The results of this study are as follows: High school students and preservice secondary teachers demonstrated their remarkable ability in interpreting a line graph, but showed their limited ability with the graph of overlapped and directional change, which means the graph interpretation ability was affected by a graph type; two groups participated in this study revealed a considerable difference in the graph interpretation ability depending on the grade level; preservice teachers were superior to high school students in discriminating two graphs, the representation method, which are different with the same topic; and many participants in both groups considered that the property of Earth science graph was considerably different from that of other science subjects, especially in directional change graph, scatter graph, contour map, and domain graph. The results suggest that the effective graph instruction strategies be developed in Earth science learning.

• Journal of the Korean Society of Earth Science Education
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• v.10 no.2
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• pp.91-103
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• 2017

This study has developed the earth science class model based on flipped learning and analyzed the effects of that model at the elementary pre-teachers' science classes. The model of this study, the material which was consists of all contents and information about classes was offered to learners before science class as a substitute for preceding homework at general flipped learning. In science class, the knowledges which were recorded in materials were explained directly to learners by instructor for 20minutes. So the learners resolved some inquiry questions in materials through mutual debate collaboration with learners in small group. After inquiry questions' resolving, the learner among small group makes a presentation in front of the whole class. At the same time, the instructor evaluated learning action of all small groups' learners during the classes as process evaluation. The final evaluation results of semester were obtained scores of the small group in 14 classes and the achievements of individual portfolio as final exam. The learners were very positive perception to this science class model, why it is helped to concentrate on the class, extended debating and thinking ability. Consequently, the class model of this study is useful to applicate the earth science classes.

• Journal of the Korean Society of Earth Science Education
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• v.9 no.2
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• pp.233-242
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• 2016

The purpose of this study was learning about the project 'stratum and the rock ' of pre-primary teachers to the effects of self-directed learning ability and environmental sensitivity. This study was set up experimental treatment period of 15 weeks from March 2016 to June, students who are B Education University of fourth grade the first semester participated, in the study, It was composed of 34 students of 1 class taking 'strata and rock' lecture. Experimental study group consisted of exploration activities on the field experience about strata and rock. Set the area they want to explore the site by teams. The results of this study are as follows. First. learning about the project 'stratum and the rock ' of pre-primary teachers was effective to self-directed learning skills. 2nd, Learning about the project 'stratum and the rock ' of pre-primary teachers was effective to environmental sensitivity. 3rd, The students showed a positive response and were interested in the project 'stratum and the rock ' of pre-primary teachers.

• Journal of the Korean Society of Earth Science Education
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• v.4 no.2
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• pp.116-125
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• 2011

The purpose of this study is to make a Result analysis on the Free Inquiry Method of Elementary school student. Also, this study investigates how free inquiry activities effect the science creative problem solving ability and science process skills of Elementary school student. For this study 150, third year, elementary School students from Busan City were selected. The Inquiry examined the effectiveness of each of the following free inquiry methods: the Program Based Learning method, the Project method, the Independent Investigation Method, the Small Group Inquiry Method, and the Science Notebooks Method. The students were divided into groups in which they incorporated the respective methods into their practice. Test showed the following results: First, the Science Notebooks Method activities proved to be much more effective than the Program Based Learning method, the Project method, the Independent Investigation Method, the Small Group Inquiry Method, and the Science Notebooks Method in terms of developing on science creative problem solving ability. Second, the Project method activities proved to be much more effective than the Program Based Learning method, the Independent Investigation Method, the Small Group Inquiry Method, the Science Notebooks Method in terms of developing on science process skills.

• Journal of the Korean earth science society
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• v.31 no.2
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• pp.164-171
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• 2010

The purpose of this study was to investigate the effects of instruction applying 3D Planetarium Software (Starry Night Pro 6.0) in terms of the learners' science achievement, changes of attitude (attitude toward science as well as scientific attitude), and self-directed learning ability. Participants were 198 $8^{th}$ graders. This study adopted a quasi-experimental research design in which experimental group was taught with 3D planetarium software vs. control group with traditional lecture-centered teaching method for 6 hours. The effects were investigated by independent sample t-test and paired sample t-test The results are as follows. The instruction using 3D planetarium software was more effective than the traditional lecture-centered curriculum in science achievement and self-directed learning ability. However, there were not meaningful differences in analyzing attitudes related science, the results that were so effective in elevation for self-directed learning could be gained. Students were interested in instruction applying 3D planetarium software, which was helpful for them to understand the content knowledge. Results showed that instruction with 3D planetarium software applied was effective in $8^{th}$ grade science learning.

• Journal of the Korean Society of Earth Science Education
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• v.7 no.1
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• pp.99-109
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• 2014

The purpose of this study was to obtain consensus from the expert community on the aims of Elementary Science Classes for the Gifted(ESCG) and teaching professionalism of Elementary Science Teachers for the Gifted(ESTG). For the delphi study, nineteen experts were consulted with open-ended and closed questions. Delphi research was conducted a total of 3 times. The Delphi survey was done by e-mail. The experts can express their opinions freely during the research. The results of this study were as follows : First, there were six aims for ESCG. The six aims of ESCG are scientific inquiry ability growth, creative problem solving ability growth, primary science gifted's giftedness development, the future science-talented-children training, the growth of attitudes toward science, scientific attitudes growth. Second, there were four teaching professionalism about teaching professionalism of ESTG. Four teaching professionalism are understanding the characteristics of primary science gifted, the ability to understand and apply the learning methods suitable for primary science gifted education, professional knowledge and ability to understand the science curriculum, the ability to develop and apply primary science education programs.

• Journal of the Korean Society of Earth Science Education
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• v.5 no.1
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• pp.124-133
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• 2012

Modern society requires people with practical knowledge that is able to recognize actual problems in the complex reality and solve the problems. Due to that reason, the 7th National Curriculum aims to basically cultivate ability adaptable to information-oriented global age by maximizing students' individuality and creativity. However, as existing education is hard to improve creativity, logical thinking, information processing skills, and problem-solving ability in the information-oriented age, self-directed learning is getting highlighted. Therefore, this study aimed to look into how learner-oriented IPER for self-directed learning and problem-based learning(PBL) in middle school science affected academic achievement of science and self-directed learning characteristics. As the results of the study are as follows. First, as the result of pre-and post-test to compare and analyze the effects of IPER instruction model and PBL instruction model on learners' academic achievement increase, it showed that the class with IPER instruction model was more effective. Second, as the result of pre-and post-test to compare and analyze the effects of IPER instruction model and PBL instruction model on self-directed learning characters, IPER was more effective than PBL overall, and among sub-areas, 'openness', 'self-concept', 'initiative', 'future-oriented self-understanding', and 'self-evaluation' were more effective in IPER while 'creativity' was more effective in PBL. However, among sub-areas 'responsibility' and 'learning enthusiasm' didn't show statistically significant difference. Third, the results of the post-survey to compare and analyze learners' perception regarding the application of IPER instruction model and PBL instruction model, the two models were positively affective. In addition, as the result of comparing the two models, IPER was more positive than PBL.

• Journal of the Korean earth science society
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• v.26 no.7
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• pp.611-623
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• 2005

The purpose of this study is to explore the effects of self-directed field learning practices on student’s academic achievement and self-directed learning characteristics regarding the level of learning ability. To conduct this study, 196 students of high school students in Busan were chosen and parted into either the experimental group (98 students) or control group (98 students). Each group is classified into three categories: high level (24 students), middle level (50 students), and low level (24 students) according to the level of learning ability by the academic achievement pre-test. The areas chosen for experimenting this study range from Dusong peninsula, Molundae in Saha-gu, Songdo in Seo-gu, Pusan. Then the inquiry-model of self-directed field learning which focuses on learner-centered activity was designed based on theories concerning field learning and self-directed learning, and was applied to the experimental group. In conclusion, this teaching method using self-directed field learning is expected to improve academic achievement in science subject and increase students’ self-directed learning characteristics regardless of the students' level of academic achievement.

• Journal of the Korean earth science society
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• v.26 no.1
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• pp.1-8
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• 2005

The purpose of this study is to identify the effect of Problem-Based Learning on Student's Creativity Ability in Middle School Science Class. The experimental group had Problem-Based Learning classes for six weeks and control group had traditional inquiry instruction for the same period. The results of this study presents that Problem-Based Learning is significantly effective for the improvement of creative skills test and creative tendencies. And PBL group student's had positive thinking for PBL. It's not easy to generalize these results because of many different variables. but the results suggests that teachers should make an effort to improve student's creativity applying Problem-Based Learning. And it's necessary to develop many kinds of problems and teacher's instruction method to enrich creativity in the process of Problem-Based Learning.

• Journal of the Korean earth science society
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• v.21 no.3
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• pp.219-229
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• 2000

Constructive learning is an active process of meaning construction and students decide their individual learning objectives according to their own interest concern and ability. The purpose of this study is to develop a teaching-learning model and classroom materials from constructivist perspectives and to apply them to an elementary school classroom in Seoul for one month. In this study, it was reorganized the contents of unit of 'beds and fossils' based on the discussion between students and teacher during the second semester of 4th grade class. The teaching-learning model consists of five steps: 1) introduction; 2) exercise; 3) presentation; 4) consensus; and 5) development. The implementation results were summarized.