• 제목/요약/키워드: earth science education

검색결과 2,146건 처리시간 0.024초

Development of the Test Instrument to Assess Students' Progress in Understanding Nature of Science: Based on AAAS Benchmarks for Science Literacy

  • Choe, Seung-Urn;Lee, Eun-Ah
    • 한국지구과학회지
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    • 제24권2호
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    • pp.93-99
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    • 2003
  • The purpose of this study was to develop a new test instrument based on AAAS Benchmarks for Science Literacy, to assess k-12 students' progress in understanding nature of science (NOS). A total of 276 items were developed including 33 items for grade k-2, 36 items for grade 3-5, 78 items for grade 6-8 and 129 items for grade 9-12 and they were reviewed for validity and reliability. Key ideas that were the foundation of test items were extended, sophisticated and enriched according to the grade level. The general score of this test represents a student's cognitive state about an understanding of NOS. The result of this test can be expected to give some useful information for follow-up investigations, improving instructional design, and conducting further studies.

초등학교 5학년 '지구와 달' 단원의 스마트 교수 학습 프로그램 개발 및 적용 (The development and application of SMART Teaching-Learning Program about the unit of 'Earth and Moon' in the 5th grade of elementary school)

  • 한신;정진우
    • 대한지구과학교육학회지
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    • 제8권1호
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    • pp.76-86
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    • 2015
  • The purpose of this study is to take advantage of the smart teaching - learning programs about the unit of 'Earth and Moon' and find out how to apply the effect appears. Teaching-Learning program was conducted over eight lessons. And we analyzed the effect of the program at any time through the evaluation and interview. The results are as follows. First, this study proposed a method to assist in the teaching and learning of spatial ability for students' movement of the Earth and the Moon. The program takes advantage of N-Screen Applications were configured to allow both Earth observation insider perspective and the external multilateral perspective. This improves students' understanding qualitatively. Second, we applied the teaching and learning programs utilizing smart smart devices, and the result was a lot of low rank students' average score rises. In addition, we were able to see that many students' understanding and interest, self-confidence are improved.

Interdecadal Variation of Wintertime Blocking Frequency over the Siberia

  • Lee, Hyun-Soo;Jhun, Jong-Ghap;Kang, In-Sik;Moon, Byung-Kwon
    • 한국지구과학회지
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    • 제28권5호
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    • pp.556-562
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    • 2007
  • The interdecadal variation of wintertime blocking frequency over the Siberia ($60^{\circ}E-140^{\circ}E$) is examined using the ECMWF/NCEP-NCAR re-analysis data for the period 1958-2006. The wintertime blocking frequency over the Siberia significantly decreased for the period 1986-2006, compared to the period 1958-1985, which is mainly due to the anomalous circulation of 500-hPa geopotential height field. During the period 1986-2006, there was enhancement in both the anomalous cyclonic flow over the western Siberia and the anomalous anticyclonic flow over the east Asia. These anomalous circulation patterns, which might be associated with changes in surface temperatures over the Asian continent, are suspected to playa possibly important role as an obstacle to the formation of blocking flow over the Siberia.

Distribution of Rare Earth Elements and Their Applications as Tracers for Groundwater Geochemistry - A Review

  • Hwang, Heejin;Nyamgerel, Yalalt;Lee, Jeonghoon
    • 한국지구과학회지
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    • 제42권4호
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    • pp.383-389
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    • 2021
  • Several studies investigating the behavior and environmental distribution of rare earth elements (REEs) have been reviewed to determine the geochemical processes that may affect their concentrations and fractionation patterns in groundwater and whether these elements can be used as tracers for groundwater-rock interactions and groundwater flow paths in small catchments. Inductively coupled plasma-mass spectrometry (ICP-MS), equipped with an ultrasonic nebulizer and active-film multiplier detector, is routinely used as an analytical technique to measure REEs in groundwater, facilitating the analysis of dissolved REE geochemistry. This review focuses on the distribution of REEs in groundwater and their application as tracers for groundwater geochemistry. Our review of existing literature suggests that REEs in ice cores can be used as effective tracers for atmospheric particles, aiding the identification of source regions.

고등학교 과학 I(하) 천문영역에 대한 STS 프로그램 적용이 학생들의 과학적 태도와 학업성취도에 미치는 효과 (The Effects of STS Program-Oriented Earth Science Instruction on the Science-Related Attitude and Scientific Achievement of High School Students)

  • 류주현;유계화
    • 한국지구과학회지
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    • 제18권6호
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    • pp.473-479
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    • 1997
  • 본 연구의 목적은 STS프로그램을 적용한 수업이 학생들의 과학에 관련된 태도와 과학학습성취도에 미치는 효과를 분석하는데 있다. 연구 목적에 따라 고등학교 3학년 학생들을 실험집단과 통제집단으로 나눈 뒤, 약 6주 동안 실험집단은 본 연구자가 개발한 STS 프로그램을 사용하여 수업을 실시하고 통제집단은 강의 중심의 전통적 수업을 실시하였다. 연구 결과 과학에 관련된 태도에 있어 실험집단이 통제 집단보다 더 긍정적인 방향으로 태도가 향상되었고, 과학학습 성취도에 있어서도 실험집단이 더 높은 성취도 향상을 나타내었다.

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Exploration of Teacher Pedagogical Content Knowledge (PCK) and Teacher Educator PCK Characteristics in Future School Science Education

  • Youngsun Kwak;Kyu-dohng Cho
    • 한국지구과학회지
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    • 제44권4호
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    • pp.331-341
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    • 2023
  • The goal of this study was to examine the PCK required for science teachers and PCK required for university teacher educators in terms of school science knowledge, science teaching and learning, and the role of science educators, which are the main axes of science education in future schools, and to explore the relationship between them. This study is a follow-up to a previous stage of research that explored the prospects for changes in schools in the future (2040-2050) in terms of school knowledge, educational methods, and teacher roles. Based on in-depth interviews, qualitative and semantic network analyses were conducted to derive and compare the characteristics of PCK and PCK. As for the main research results, science teacher PCK in future schools should include expertise in organizing science classes centered on convergence topics, expertise in digital platforms and ICT use, and expertise in building a network of learning communities and resources, as part of the expertise of human teachers differentiated from AI. Teacher educators' PCK includes expertise in the research and development of T-L methods using AI, expertise in the knowledge construction process and practice, and expertise in developing preservice teachers' research competencies. Discussed in the conclusion is the change in teacher PCK and teacher educator PCK with changes in science knowledge, such as convergence-type knowledge and cognition-value integrated knowledge; and the need to emphasize values, attitudes, and ethical judgments for the coexistence of humans and non-humans as school science knowledge in the post-humanism future society.

초등 과학교과서 지구과학 지식에 대한 예비교사들의 질문 종류, 빈도 및 인지적 배경 출처 분석 (An Analysis of Types, Frequencies, and Sources of Cognitive Backgrounds of the Preservice Teachers' Questions Related to Earth Science Knowledge Presented in Elementary Science Textbooks)

  • 이명제
    • 한국지구과학회지
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    • 제35권4호
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    • pp.277-289
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    • 2014
  • 본 연구의 목적은 초등학교 과학교과서에 나오는 지구과학 지식에 대한 질문을 분석하는 것이다. 교육대학교 교과목 수업에서 과학교과서에 나오는 지구과학 지식에 대한 교사로서의 질문을 조별 활동을 통해 추출하였다. 질문의 종류와 빈도, 그리고 질문의 인지적 배경 출처를 조사 분석한 결과를 토대로 다음과 같은 결론을 얻었다. 첫째, 지구과학 부문별 질문의 종류와 집중 정도, 그리고 질문의 인지적 배경 출처에 차이가 있었다. 특히 천문관련 부문에서는 다른 부문과는 달리 개별 차시별로 질문 빈도와 집중이 다른 경향을 보이므로 이를 고려한 교수 설계를 할 필요가 있다. 둘째, 인지적 배경 출처로서 '학교' 비율이 가장 높으며, '친구'도 매우 중요한 출처이므로 동료 간 상호작용을 유도하는 협력이 학습에 중요한 요소임을 보여주고 있다. 또한, '인터넷'과 'TV' 같은 대중매체가 '학교'와 비슷한 높은 수준으로 인지적 배경 지식의 출처임을 보여 주고 있어서 이들을 이용한 과학 수업에 대한 고려가 필요하다. 셋째, 차시에 따라 질문의 집중과 종류, 빈도가 다르므로 교사 교육에서 단원별 학습주제에 대한 교육적 접근에서 이를 활용하는 교수방략이 요청된다.

고등학생들의 지형 형성과 지질학적 시간 개념 (High School Students' Conceptions on Landscape Formation and Geological Time)

  • 이용규;한신;정진우;박태윤
    • 대한지구과학교육학회지
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    • 제8권3호
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    • pp.332-345
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    • 2015
  • Earth science is the study to explore the planet in which we live. Among these earth science geology of the area it can be the most critical and important study. However, because of the size and scope is too broad temporal spatial eurona covered in geology is true that many students find difficult about the geology field. In this study, in conjunction with landscape formation of geologic time for the concept to be among the core areas of Geology examined the concept and recognize it as the destination for high school students. Is a test tool for the analysis was adapted for use by Jolley (2010) has developed LIFT (The Landscape Identification and Formation Test). Currently we fix the strip to match the country through a validity check of the curriculum. Results of the study were as follows: First, the ability to check the landscape and formation is expected to estimate the time and the liberal arts students was higher than the natural science students. The reason for this seems to be the influence of learning geographical subjects. Second, the concept of geological time was found to lack both natural science and liberal arts students. The reason is that the students in the previous process because it deals with the concept of geologic time from the top of Earth Science Education II seems to be because there was no chance of learning about geological time. Third, the results confirm the confidence of the students surveyed in the landscape formation time natural science students was higher than liberal arts students. The research measured gender boys higher than girls. Fourth, the students on the landscape and geological time was found to have a number of misconceptions. This appears to be due to the students to feel difficulty in thinking of the concept because the need to understand the abstract geologic time. Therefore, it is necessary just to hold misconceptions about the concept of geology students have through the study of the landscape and geological time.

지구과학에서의 가상 현실의 사용에 따른 예비 과학교사의 학습환경 인식 연구: 시험적 적용 (A Study on Pre-Service Teachers' Perception of Learning Environment in Earth Science with Using Virtual Reality (VR): An Exploratory Case)

  • 신명경;김희수;김종헌
    • 한국지구과학회지
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    • 제27권3호
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    • pp.269-278
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    • 2006
  • 본 연구에서는 교양지구과학과목을 수강하는 36명의 예비과학교사를 대상으로 가상현실(VR)의 사용을 한 차시에 걸쳐 시도하였다. 수업을 하기 전과 후에 구성주의 학습환경 조사(CLES)를 실시하였다. CLES의 주된 초점은 수업이 학생중심 수업환경을 얼마나 잘 보조하고 지원하는가다. 학생의 자신의 수업환경에 대한 사전 및 사후검사는 여섯가지 하위 영역으로 나뉜다.: 학생적절성, 비판적 시각, 교실통제의 나눔, 학생 간의 타협, 과학적 불확정성, 태도이다. 아울러 가상현실에 대한 미래교사의 인식에 대한 설문지도 실시하였다. 미래의 과학교사들이 가상현실 자료를 교실에서 사용하는 것에 대하여 어떻게 생각하는가를 본 연구를 통해 알아보고자 했다. 이들 결과를 바탕으로 교사 주도의 수업환경을 학생의 적극적 참여를 유도하는 수업에로의 변화를 도모하는 것과 같은 기존에 연구되지 않은 측면을 제안하여가상현실의 잠재력에 대한 보다 완벽한 이해를 꾀하려 하였다.

Taiwanese Science Curriculum Reform and Earth System Education

  • Chang, Chun-Yen
    • 한국지구과학회:학술대회논문집
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    • 한국지구과학회 2003년도 추계학술발표회 및 정기총회
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    • pp.3-10
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    • 2003
  • Curriculum reform has been a significant emphasis for most of countries all over the world for the past few years. It was the first time for Taiwan to develop a new Science and Life Technology curriculum Standards (SaLTS) for grades 1 through 9 compulsory educations. The SaLTS features integrated science content with the aim at motivating students to learn science and encouraging students to apply science to their everyday life, which is practically well aligned with the philosophical essence and foundations of Earth Systems Education (ESE). This paper calls attention to the importance of the inclusion of ESE into the forthcoming science curricula of Taiwan and worldwide and provides some exemplary ESE-inspired curriculum and instructional modules that have been successfully implemented in the secondary schools of Taiwan. Hopefully, this paper can shed some lights on the future development of the ESE-based science curricula, instructional modules, and teacher preparation programs.

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