• Title/Summary/Keyword: Science Inquiry Experiment

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Characteristics of Modeling of Experiment in Case Analysis of Students' Open Inquiry and its Meaning on Science Education (학생의 자유 탐구 활동의 사례 분석을 통해 본 실험 모델링의 특징과 과학교육적 의미)

  • Kim, Kwan-Young;Lee, Jong-Hyeok;Choi, Jinhyeon;Jeon, Sang-Hak;Lee, Sun-Kyung
    • Journal of The Korean Association For Science Education
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    • v.42 no.2
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    • pp.201-214
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    • 2022
  • The purpose of this study is to examine the characteristics of model of the experiment in students' open inquiry. The research is a reinterpretation of the data collected from the performance of a three-year research project under the theme of 'school science inquiry' the perspective of model of the experiment. The inquiry activities of a focus group made up of four students have been recorded seven times. The recorded files and transcribed copies were analyzed according to interpretive methods. Students' activities were divided into three modeling of the experiment units, considering the modeling unit that includes the process of starting from the problem until it gets solved. The results of the study include illuminating the dynamic process and characteristics of modeling of the experiment and discussing its educational meaning as a distributed cognitive system at each modeling unit. First, students, instruments, and the primitive form of calculation represented by the interaction between them turned out to be important factors in the distributed cognitive system that constitutes model of the experiment. Second, in the early stages, non-verbal activities were carried out in which students became familiar with instruments, and verbal quantitative signs were created when the activities were sufficiently carried out. The generated quantitative signs became a source of data and confidence that can be referenced in subsequent activities. Third, the specialization of instrumentalization occurred, and factors that were important in inquiry, such as variable control, appeared. The results of the study provide new implications for science education research and education, which have been centered on explanatory models, by unfolding the characteristics of model of the experiment that have not been noticed in science education through students' inquiry.

Evaluation of Inquiry Activities in High School Biology Curricula of Korea (제5차 교육 과정에 따른 고등학교 과학I (상) 생물 교과서의 탐구 활동에 대한 분석)

  • Chung, Kun-Sang;Hur, Myung
    • Journal of The Korean Association For Science Education
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    • v.10 no.1
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    • pp.77-94
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    • 1990
  • The Inquiry Activities the newly developed Korean High Schol Biology Textbooks were evaluated using SIEI(Seientific Inquiry Evaluation Inventory). The textbook evaluated are five Introductory Biology books and five Advanced Biology books developed in 1990. The instrument, SIEI, was developed by Myung Hur in his doctoral study at Columbia University in 1984. The major findings of the study are summarized below. 1. The inquiry activities in the textbooks are focusing on the low level science process skills 2. Students are rarely asked to formulate a hypothesis or to design an experiment. 3. The structure of the Inguiry Activities are mostly competitive, thus inhibiting the inquiry achievement of students. 4. The Inquiry Indices of the textbooks are between 14 and 16, meaning only 14 to 16 percent of the total instructional time are to be devoted to inquiry activities.

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An Analysis of Inquiry Area in the Chemistry (I) Textbooks by the Inquiry Elements Based on the 7th Science Curriculum (제7차 과학교육과정의 탐구 요소들에 의한 화학 (I) 교과서의 탐구 영역 분석)

  • Kang, Dae-Ho;Jeong, Soo-Goon;Kim, Bong-Gon
    • Journal of the Korean Chemical Society
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    • v.47 no.6
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    • pp.633-644
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    • 2003
  • The purpose of this study was to analyze the inquiry elements and inquiry activity of the inquiry area in chemistry I textbooks authorized by 7th curriculum. It was to confirm suitable reflection of the 7th science curriculum and to find educational suggestions of inquiry learning. It was found that the basic inquiry elements except measuring and classifying were well reflected on the textbooks. However, only several integrated inquiry elements and the inquiry activities were well reflected on the same textbooks. For the integrated inquiry elements, interpreting data was shown as the tower above the rest inquiry elements. In the analysis of inquiry activity, the numbers of experiment is placed almost half of all inquiry activities. The sum of two numbers of investigation and discussion is similar ratio to experiment but field trip and project are rarely or low ratio. As the integrated inquiry elements and inquiry activities were not balanced for various inquiry learning. It is suggested that learners be educated with complementary of these aspects in inquiry learning.

The Influences of Integrated Science and Science Inquiry Experiment Developed Under the 2015 Revised National Curriculum on Students' Interest in Science, Scientific Attitude, Views on Science-Technology-Society Relationship, and Views on Nature of Science (2015 개정 과학과 교육과정의 통합과학과 과학탐구실험이 학생들의 과학에 대한 흥미, 과학적 태도, STS와 과학의 본성에 대한 견해에 미치는 영향)

  • Kim, Minhwan;Kim, Sunghoon;Noh, Taehee;Choi, Sookyeong
    • Journal of The Korean Association For Science Education
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    • v.39 no.6
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    • pp.791-797
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    • 2019
  • In this study, we investigated the influences of Integrated Science and Science Inquiry Experiment developed under 2015 Revised National Science Curriculum on students' interest in science, scientific attitude, views on STS, and the nature of science (NOS). 223 tenth graders in Seoul metropolitan area participated in this study. We conducted the survey prior to and after the Integrated Science and Science Inquiry Experiment course using same instruments and compared the results of the pre-test and post-test. The analyses of the results reveal that there were significant improvements in the scores of the pre- and post-test on the interest in science and scientific attitude. In the case of views on STS, there were significant improvements in items related to science research ethics, however there were no significant differences in the remaining items. Also, there were no significant differences in the scores of the pre- and post-test on views on NOS. On the bases of the results, we discuss educational implications and suggest further studies.

The Development of a Test of Earth Science Inquiry Skills for High School Student (고등학생의 지구과학 탐구능력 측정을 위한 평가도구 개발)

  • Woo, Jong-Ok;Lee, Hang-Ro
    • Journal of The Korean Association For Science Education
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    • v.15 no.1
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    • pp.92-103
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    • 1995
  • Since the late of 1960,s, the improvement of science inquiry skills has been one of the most important goals in secondary science education. To achieve this goal, it is essential to develop a valid and reliable instrument for evaluating science inquiry skills. The purpose of this study is to develop a valid and reliable instrument for evaluating science inquiry skills for high school students. The instrument is developed through R & D procedure, which includes two field trials of the instrument. This study has formed a clear definition of the elements of science inquiry skills (formulating a hypothesis, controlling variables, designing an experiment, numeric calculation, graphing experimental data, inference, determining relationship, determining causalities, predicting experimental results , drawing a conclusion, formulating a generalization or model), and established the goals of assessment and developed the items of assessment. The instrument, Test of Earth Science Inquiry Skills, consists of 33 items which measure 11 science inquiry skills. There are content-free items for each science inquiry skills. This study has selected 11 science inquiry skills which are considered appropriate for being evaluated by paper-and-pencil test with SIEI (Hur,1984). The content validity of items, objectivity of the scoring keys and clarity of the items were checked by six experienced specialists in science education. At the same time, the two field trials has been executed and produced the reliability of the instrument, item difficulty index, and the effectiveness of distracters. The first field trial was performed using a sample of 304 high school students, and the second one using a sample of 872 high school students. Because the content validity is 84 % and the reliability (K-R 20) is 0.84, the developed instrument in this study is considered valid and reliable. The difficulty index is 49.4 %, answer ratio 59.1 %, the discrimination index 0.47 and the effectiveness of distracters evenly distributed, which also suffice the criteria of good instrument. The developed instrument in this study can diagnosis the well-developed science inquiry skills and the ill-developed science inquiry skills of the students, and trace the degree of the improvement of science inquiry skills.

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Elementary School Students' Science Learning Characteristics in the Affective Domain and It's Relationship to the Levels of Inquiry Requirement in Science Experiment Instruction (초등과학 실험 수업에서 탐구 요구 수준에 따른 초등학교 학생의 정의적 영역 학습의 특성)

  • Kim, Bun-Sook;Lim, Chae-Seong;Kim, Eun-Jin
    • Journal of Korean Elementary Science Education
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    • v.25 no.4
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    • pp.396-406
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    • 2006
  • In this study, elementary school students' science learning characteristics together with the levels of inquiry requirement in elementary school science experiment instruction were investigated in terms of the affective domain. We divided seventy-three students of the fifth ade into two groups according to the levels of inquiry requirement. After each instruction had been implemented, the characteristics of the students' learning in terms of the affective domain were compared and analyzed within the context of the levels of inquiry requirement. There were no significant differences between Level 1(LL) and Level 2(HL) groups in terms of the affective characteristics. These results may be caused by the burden imposed by the difficulty in thinking through and setting up the experimental methods. However, the HL group students' levels of interest in science experiments was higher than that of the LL group. In conclusion, the HL instruction contributed little to the improvement of affective characteristics. Some possible reasons might be that students felt difficulties with the somewhat unfamiliar instructions which required them to design and perform experiments. Higher levels of interest in science experiments amongst HL students' implies that well-organized and continuous exercises involving the design and performance of experiments could improve students' scientific affective characteristics.

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Science-Gifted Students' Scientific Inquiry Change in Online Argumentative Discussion

  • Lee, Bong-Woo;Son, Jeong-Woo;Lee, Sung-Muk
    • Journal of The Korean Association For Science Education
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    • v.25 no.6
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    • pp.642-649
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    • 2005
  • Argumentative discussion is one of the important components of an educational program, which allows students not only to learn the process of social negotiation through discussions, but also to improve students' overall research abilities. The purpose of this study was to examine a) the changes between inquiry of before-argumentative discussion and inquiry of after-argumentative discussion, and b) the connections between the inquiry changes and online argumentative discussion. This study analysed 726 messages in an online argumentative discussion, as well as in first research reports and second research reports. The results of the study indicate that science-gifted students' research abilities were improved through on-line argumentative discussion that provided them with feedback based on interactive discussions, and encouraged them to re-examine hypotheses and experiment processes. The science-gifted students showed knowledge and abilities for identifying simple errors in research processes and arguing problems in the flow of the whole logic of research.

THE SPECIFICATION OF EVALUATIVE OBJECTIVES AND SELECTION OF BEHAVIORAL ELEMENTS TO MEASURE. SCIENCE INQUIRY SKILLS RELATING TO EARTH SCIENCE AMONG QUANTITATIVE(MATHEMATICAL) INQUIRY DOMAIN OF UNIVERSITY COMPETENCY TEST (대학 수학능력 시혐의 수리.탐구 영역중 지구과학 교과에 관련된 탐구능력 측정을 위한 행동요소의 추출과 평가 목표의 상세화 연구 I)

  • Woo, Jong-Ok;Lee, Kyung-Hoon;Lee, Hang-Ro
    • Journal of The Korean Association For Science Education
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    • v.11 no.1
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    • pp.83-96
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    • 1991
  • The purpose of this study is to construct the evaluative objectives of science inquiry skills specificationaly. Specification of evaluative objectives will be able to serve as evaluative criterion for development of a test of the integrated science process skills. The results in this study are as follows ; (l) The selections of science inquiry skills from the previous developed taxonomies are observation, measurement, formulating hypothesis, designing an experiment and controlling variables, inference, predicting(including intrapolation and extrapolation), organizing data and interpreting, defining operationally, formulating a generalization or model, drawing a conclusion. (2) The definitions of the selected science inquiry skills are made operationally. (3) Evaluative objectives relating to the selected science inquiry skills are specified with the previous developed items. Based on the above results, total 9 science inquiry skills are selected and 72 evaluative objectives are specified.

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- For the Development of Inquiring, integrated Science Curricular Materials - The Comparison and Analysis of Inquiry Activity between "The FAST Program" and "The Secondary Science Books" (탐구적 통합 과학 교재 개발을 위한, "FAST program"과 "중등 과학 교과서"의 탐구 활동 비교 분석)

  • Son, Yeon-A;Lee, Hack-Dong
    • Journal of The Korean Association For Science Education
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    • v.14 no.1
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    • pp.45-57
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    • 1994
  • The purpose of this study is to verify whether the FAST program is the Inquiry Science Curricular Materials, through the Comparison and Analysis of Inquiry Activities between the FAST program and our Secondary Science Books. The results of this study are as follows ; 1. FAST has 226 tasks of the Inquiry Activities, which is analyzed over two times than our text. 2. In level one, FAST holds the parts of Synthesizing Results and Evaluation, Hypothesizing and Designing an Experiment but u.ese aren't found in our text. 3. In level two, our text is analyzed No Discussion 72.2%, Demonstrating or Verifying the Content of the Text 82%, but FAST has Discussion Guided 81.8%, and isn't found any tesk of Demonstrating or Verifying the Content of the text. 4. In level three, our text is exposed a typical type I and analyzed Inquiry Index 15-25 ( Middle ), but FAST is found type IV, excepting Manipulating Apparatus and Observation and analyzed Inquiry Index over 35 ( Very - High ). Therefore, FAST Program is proved to be the desirable Inquiry Science Curricular Materials. In future, this worker is to arrange the results of the following paper as follows ; 1. The verification of the FAST Program by means of the Integrated Science Curricular Materials. 2. The development of the Inquiring, Integrated Science Curricular Materials through the results of the preceding study.

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