• Title/Summary/Keyword: Scientific concept

Search Result 692, Processing Time 0.025 seconds

A Comparative Study of Knowledge Integration in the Textbook and Students' Mental Model about the Phases of the Moon (달의 위상 변화에 관한 교과서의 지식 통합 과정 및 학생 정신 모델의 비교 연구)

  • Sung, Na-Hae;Choe, Seung-Urn
    • Journal of the Korean earth science society
    • /
    • v.29 no.2
    • /
    • pp.163-174
    • /
    • 2008
  • In this study, we compared textbook knowledge organization with students' mental models to contribute to a more well-designed instruction scheme. The selected science content was the cause of moon phases. We investigated 9 textbooks and 25 third-year middle school students. Patterns and features in participants' mental models were identified through cross inter-rater data analysis by 9 researchers, including in service teachers and experts in science education. According to the results, observing and modeling are the main activities engaged in when dealing with moon phases. The activities consisted of such concepts as: lunar revolution, the sun's parallel rays, the illuminated half of moon, and the relative positions of the sun, moon, and earth. Each concept involved inquiry skills such as: creating and manipulating models, utilizing the relationship between time and space, and communicating. However, the most important skills which are required for authentic scientific inquiry, namely controlling variables and formulating hypotheses, were missing. We categorized students' mental models into three types: scientific models, mixed models, and alternative models. The knowledge structure of each of the models was also discussed in this paper. Consequently, it was found that, typically, students were not given enough opportunities to strengthen the connection among ideas.

Development and Application of the Photosynthesis Experimental Module Based on Scientist's Inquiry Processes (과학자의 탐구 과정을 재구성한 광합성 실험 모듈의 개발과 적용)

  • Kim, Ho-Gi;Kim, Yeon-Ju;Kim, Sung-Ha
    • Journal of Science Education
    • /
    • v.35 no.2
    • /
    • pp.204-220
    • /
    • 2011
  • This study was intended to develop an experimental module based on inquiry processes conducted by photosynthesis scientists. It was aimed to enhance scientific inquiry ability of the middle school students by applying the developed module. Developed module included some experiments conducted by earlier photosynthesis scientists such as Helmont, Woodward, Priestly, Hales and Ingen-Hausz. Inquiry process was involved in the developed module for instructing the inquiry methods. Rapid-cycling Brassica rapa known as a Fast Plant was used for the experimental material. Developed module was applied to the experimental group consisting 27 eighth grader, while experiments suggested in the science textbook was applied to the control group consisting 30 eighth grader. Developed module was more effective in improving students' scientific inquiry ability, especially measuring, forecasting and hypothesizing ability as its subordinate elements. When the result of post-test was compared to one of pre-test in the experimental group, their observing, forecasting, and generalization ability were improved. Experimental group showed that students' conception in photosynthesis and conceptual development related with the role of plants in the ecosystem and plant's food and movement of the water and nutrients were also improved. Before application, students in the experimental group did not have enough understanding of the abstract concept such as the existence or the role of the materials like $CO_2$ or $O_2$ or the energy accumulation. Developed module could help students to achieve the comprehensive concept regarding the role of plants as producers of organic matter and oxygen and to enhance their scientific inquiry ability and concepts regarding photosynthesis.

  • PDF

The Development of the Convergence Education Program based on the Creation of Scientific and Cultural Content (과학문화콘텐츠 구성을 기반으로 한 융합형 교육 프로그램의 개발 방안)

  • Cho, Nam-Min;Kim, So-Ryun;Son, Dal-Lim
    • The Journal of the Korea Contents Association
    • /
    • v.15 no.1
    • /
    • pp.506-518
    • /
    • 2015
  • Recently there are growing needs and demand to enhance 'Unity of knowledge' as the concept of "Creating new value through integration and convergence" is developing rapidly in many different areas in the society. This also has significant implication to education. Especially, it requires paradigm shift in terms of required capabilities and qualifications for the students with science major. To accommodate this trend, Natural Sciences and Engineering's College has been increasing convergence education which focus on cultivating creative and cooperative learning capabilities as well as acquiring fundamental knowledge of individual majors. However, convergence education developed and implemented by Sciences college or liberal education so far has been mechanical combination of knowledge from different academic fields - not effectively integrated and interdisciplinary education. Given this situation, this research is to develop and propose a "convergence education program based on the development of scientific and cultural contents" as an education tool to enhance capabilities to apply and re-create integrated knowledge as well as acquire and learn existing knowledge. Education program developed in this research aims to achieve two different and sequential capabilities. First is to understand 'Science and Technology' and 'Cultural Archetype' which would be essential and useful to create cultural contents. Second is to develop capabilities to convert this understanding into cultural contents - a storytelling capability. This education program is differentiated in that it defines cultural contents as a medium to converge and integrate science and technology and humanities. By leveraging the concept of cultural content and storytelling, this education program would be able to overcome restrictions of existing interdisciplinary approach. Also, this program would encourage students to try in-depth research and new applications, and develop logical and creative thinking.

The Improvement Method of "Question and Research Guides" Training for Private Security (민간경비원의 질문.검색 요령 교육훈련에 관한 개선방안)

  • Kim, Chang-Ho;Oh, Jae-Hwan
    • Korean Security Journal
    • /
    • no.19
    • /
    • pp.43-66
    • /
    • 2009
  • For the quality improvement on private security industry, the quality of personnel in private security should be advanced through the systematic training. If the personnel in private security provide an advanced service in applying knowledge and technique to the field when in training, they can obtain the reliability from people. With the point of this side, practical and systematic training is essential to the restoration on the private security industry. The personnel of private security face many people in the field. So they must work with an active concept that can prevent additional crime from behavior suspicions through scientific observation method and systematic inquiry method rather than negative work with providing a friendly service in the field. For conducting this concept, therefore, this study suggested the improvement training program of "Question and Research Guides" from new employee training on existing private security. The scientific observation standard is specifically suggested from the study 'people watching' of Professor Morris, D. and an act contact question from lead technique that US FBI, police, and inspection institute are taking through the feature of human act and 'METT' that is the program for emotion capture training through human minute look is going to be applied on "Question and Research Guides" training. This will provide the educational mood for students with the training content that is available for the practical training program and the real work, and will help to restore the private security industry with obtaining people's reliability through the scientific work and advanced field treatment.

  • PDF

Modern Paradigm of Organization of the Management Mechanism by Innovative Development in Higher Education Institutions

  • Kubitsky, Serhii;Domina, Viktoriia;Mykhalchenko, Nataliia;Terenko, Olena;Mironets, Liudmyla;Kanishevska, Lyubov;Marszałek, Lidia
    • International Journal of Computer Science & Network Security
    • /
    • v.22 no.11
    • /
    • pp.141-148
    • /
    • 2022
  • The development of the education system and the labor market today requires new conditions for unification and functioning, the introduction of an innovative culture in the field of Education. The construction of modern management of innovative development of a higher education institution requires consideration of the existing theoretical, methodological and practical planes on which its formation is based. The purpose of the article is to substantiate the modern paradigm of organizing the mechanism of managing the innovative development of higher education institutions. Innovation in education is represented not only by the final product of applying novelty in educational and managerial processes in order to qualitatively improve the subject and objects of management and obtain economic, social, scientific, technical, environmental and other effects, but also by the procedure for their constant updating. The classification of innovations in education is presented. Despite the positive developments in the development of Education, numerous problems remain in this area, which is discussed in the article. The concept of innovative development of higher education institutions is described, which defines the prerequisites, goals, principles, tasks and mechanisms of university development for a long-term period and should be based on the following principles: scientific, flexible, efficient and comprehensive. The role of the motivational component of the mechanism of innovative development of higher education institutions is clarified, which allows at the strategic level to create an innovative culture and motivation of innovative activity of each individual, to make a choice of rational directions for solving problems, at the tactical level - to form motives for innovative activity in the most effective directions, at the operational level - to monitor the formation of a system of motives and incentives, to adjust the directions of motivation. The necessity of the functional component of the mechanism, which consists in determining a set of steps and management decisions aimed at achieving certain goals of innovative development of higher education institutions, is proved. The monitoring component of the mechanism is aimed at developing a special system for collecting, processing, storing and distributing information about the stages of development of higher education institutions, prediction based on the objective data on the dynamics and main trends of its development, and elaboration of recommendations.

An Analysis of Sequence of Earth Science Content in Elementary School Curriculum in Korea and the U. S. (한국과 미국의 초등 과학 교육과정 지구영역의 학년 간 내용 연계성 분석 연구)

  • Suh, Ye-Won
    • Journal of Korean Elementary Science Education
    • /
    • v.27 no.4
    • /
    • pp.356-370
    • /
    • 2008
  • The study aims to explore sequence of earth science content in elementary school science curriculum in Korea and the U.S.. The analysis is focused on a) general content structure of earth science part; b) concept relationship between grades in the specific field of 'geology'; c) longitudinal connection of concepts and content in 'geology.' The findings are as follows. First, earth science curriculum content in Korea is structured according to sub-scientific disciplines centering on not science concepts but topics or inquiry activities whereas the U.S. curricular content is organized through integrative earth science topics with basic concepts and sub-concepts. Second, it is a common feature that basic concepts are interrelated to sub-concepts in all grades in both countries. However, basic concepts are scattered all over the grades, presented in a linear pattern in Korea while those are provided together in 3rd grade and repeated with extended concepts in a spiral structure in the U.S.. Last, it is not clear how concepts and content are longitudinally connected between grades in Korean curriculum. On the contrary, concepts and content in the U.S. curriculum have a strong longitudinal connection between grades with conceptual hierarchy. Such results indicate that Korean elementary school science curriculum would limit students' comprehensive understanding of science concepts through grades. The study suggests Korean science content should strengthen interrelationship among concepts as well as longitudinal connection between grades, in order to achieve the ultimate goal of science education, 'scientific literacy'.

  • PDF

Effect of STEAM Education Program Based on Hands on Sensor (Hands on 센서 기반 고도화된 STEAM 교육 프로그램의 효과)

  • Kim, Sug Hee;Yu, Heonchang
    • The Journal of Korean Association of Computer Education
    • /
    • v.16 no.3
    • /
    • pp.79-89
    • /
    • 2013
  • Over the past 10 years, STEAM education uprises to address student's low interest in and self-concept in comparison with their academic achievement in science, reacquaintance to enter schools of natural sciences or engineering. However, There is a paucity of empirical evidence revealing values and necessities of STEAM education in school. The purpose of this investigation is to develop steam education program making and using hands on sensor to experience new technology in school, to apply the program to 110 fourth graders, and to study the effect of the program. Pre- and post-test was used to measure level of student's scientific interest and attitude, scientific problem solving ability, scientific creative problem solving ability, personality test for children, satisfaction of school life. In conclusion, the result show that STEAM education improve every domain of the measurements.

  • PDF

Considerations on the Making of Scientific Content and Processing of Biological Knowledge (생명과학 지식의 가공과 콘텐츠화 과정에 대한 연구)

  • Ahn, Sun-Young;Kim, San-Ha;Jang, Yi-Kweon
    • The Journal of the Korea Contents Association
    • /
    • v.11 no.11
    • /
    • pp.503-513
    • /
    • 2011
  • Appreciation of nature and an understanding of the biological sciences by the general public are key to the popularization of modern science. In particular, informal and accessible venues such as museum exhibits occupy a crucial role in science education, and they depend heavily on fields related to macrobiology, including Ecology, Animal Behavior, and Environmental Science. Unfortunately, lack of engaged experts and superficial descriptions of natural phenomena all too often prevent scientific knowledge from being shared effectively with the general public. Raw information itself and knowledge are not in a form or structure accessible to nonspecialists. In order to move successfully deliver substantive comprehension of the biological knowledge to the general public, it is necessary to categorize information from a content-conscious perspective and transform it into useful biological content. Therefore, the role of scientists is critically important in a series of processes that include theme selection, editing, and even graphical layout of contents. These processes require not only a scientific and logical way of thinking, but also an aptitude for artistic presentation and effective communication. The concept of Translation is presented as a theoretical and operational framework for the popularization of science.

A Critical Review of 'Reconsideration about Nomenclature of Herbs Listed in the Korean Pharmacopoeia' ('대한민국약전에 수재된 식물성 한약재의 학명에 대한 재고' 의 논평)

  • Kim, Hui;Park, Soo Kyung;Chang, Kae Sun;Chang, Chin-Sung
    • The Korea Journal of Herbology
    • /
    • v.28 no.5
    • /
    • pp.29-31
    • /
    • 2013
  • Objectives : 'Reconsideration about Nomenclature of Herbs Listed in the Korean Pharmacopoeia' was published by Doh and Lee with absolute misconception of nomenclature. A critical review of Doh and Lee's paper is given, to correct the confused the concept of nomenclature and to provide proper scientific name for taxa which are discussed. Methods : This paper discusses the proper usage, as mandated by the International Code of Nomenclature. Adherence to the rules described in this paper should reduce the present confusion in the nomenclature of scientific names listed in the Korean Pharmacopoeia. Results : Although Doh and Lee proposed four categories to correct the scientific names of the Korean Pharmacopoeia using available botanical databases, they failed to show how nomenclatural concepts are applicable due to misconception of legitimacy and the confusion about synonym. From a nomenclatural perspective, 'accepted name' or 'recommended name' is a subjective term which used to be employed for convenience in a certain databases or working group without nomenclatural meaning. Doh and Lee also pointed out the standardization of author citation. However, they missed the importance of author citation error such as basionym or validating authors. Conclusions : Doh and Lee were not able to solve nomenclatural problems of the Korea Pharmacopoeia due to lack of clarity on the nomenclature code. We strongly recommend that KFDA has to commence extensive nomenclatural review for the next revision of Korea Pharmacopoeia.

Modern Possibilities and Prospects of Nanotechnology in Dentistry

  • Sergiy, Chertov;Valery, Kaminskyy;Olha, Tatarina;Oleksii, Mandych;Andrii, Oliinyk
    • International Journal of Computer Science & Network Security
    • /
    • v.22 no.10
    • /
    • pp.97-106
    • /
    • 2022
  • Objective. Nanotechnology is spreading among all areas of life, from everyday devices to medicine. The concept of nanotechnology argues that not only can new physical and chemical properties of materials be discovered, but also the new potential of nanostructures when reduced to the nanoscale. The growing interest in the application of nanomaterials in dentistry contributes to the proliferation of the range of nanomaterials used by specialists. The purpose of this review of information sources was to analyze the prospects for the use of nanomaterials in dentistry. Methods. We used the bibliographic semantic method of research, for which we analyzed electronic databases of primary literature sources Scopus, Web of Science, Research Gate, PubMed, MDPI, and MedLine. English-language scientific articles published after 2017 were taken into consideration. Results. According to the results of a search study among modern information primary sources, nanotechnology improves the preventive properties of oral care products, improves the structural-mechanical and aesthetic properties of composite mixtures for dentistry, overcomes the problems of the clinical application of dental implants. Despite the prospects of nanotechnology applications in medicine in general and dentistry in particular, the existing economic and technological problems require a thorough solution for further implementation of nanostructures. Scientific novelty. For the first time, the analysis of modern trends in the application of nanotechnology in dentistry is carried out and the peculiarities of materials are highlighted, the problems and prospects of nanostructures implementation in modern dental implantology are given, physical, chemical, mechanical, and antibacterial properties of nanomaterials are evaluated. The effect of nanomaterials on the microbial adhesion of the tooth or implant surface is described. Practical significance. The presented publication can become a scientific basis for the solution of urgent problems hindering the introduction of nanotechnology into dental practice. Conclusions. Thus, the use of nanostructures opens up great opportunities for the treatment of a wide range of diseases, not only of dental nature but also in medicine in general.