“chemical” için 45 makale
Problems of Education in the 21st CenturyCilt 2022/80, Sayı 1
If you are a chemistry teacher, chances are you have already felt like doing an activity where students could manipulate and explore atoms or molecules in the classroom. Yes, that is right, touching, moving, uniting atoms to form molecules in …
Problems of Education in the 21st CenturyCilt 2018/76-legacy-4148, Sayı 6
Writing and balancing equations of chemical reactions is one of the \most difficult elements of chemistry education for students, which is why it was decided to analyse part of the process which is the most difficult. The process itself consists …
Batı Anadolu Eğitim Bilimleri DergisiCilt 2012/3, Sayı 6
The aim of this study, designed according to traditional and constructivist approaches to teaching applications of scientific achievements, skills development and the scientific process of laboratory performance is to determine the effect. In this study, "Pre-Trial Model finaltest Control Group" …
International Journal InternaukaCilt 2017/17, Sayı 17
Сrucial factor in stabilizing the consistency and calorie reduction in the development of sweet sauces is the substitution of sugar for sweet potato purée, which takes part in the formation of the structure, being a carrier of sweet taste. If …
quantum, jurnal inovasi pendidikan sainsCilt 2014/5, Sayı 2
There have been development-based assessment of problem solving in the subject matter solubility and solubility product (Ksp). The purpose of this development is to provide appropriate assessment and produce a product that is able to assess students' conceptual understanding and …
Mediterranean Journal of Modeling and SimulationCilt 2017/2, Sayı 1
The paper presents a new hybrid global optimization algorithm based on Chemical Reaction based Optimization (CRO) and Di¤erential evolution (DE) algorithm for nonlinear constrained optimization problems. This approach proposed for the optimal coordination and setting relays of directional overcurrent relays …
Mediterranean Journal of Modeling and SimulationCilt 2017/2, Sayı 1
The present work examines a two dimensional axisymmetric problem of micropolar porous thermodi¤usion circular plate due to thermal and chemical potential sources. The governing equations are solved by using the potential function. The expressions of displacements, microrotation, volume fraction field, …
International Journal InternaukaCilt 2016/10, Sayı 10
Regenerative medicine faced scientific, methodological and ethical barriers in therapeutic treatment of human CNS diseases for decades. First of all the barriers limited the development of stem cell based transplantation therapeutic approaches. In 2006 the breakthrough study of Yamanaka and …
European ResearcherCilt 2014/14, Sayı 76
Стехиометрические уравнения, с помощью которых обычно выражаются химические реакции, отражают лишь материальный баланс процесса, а также эквивалентный характер реагирующих химических соединений и не дают информацию о реальном пути перехода исходных веществ в продукты. Кроме того, при изучении химических свойств обычно …
Problems of Education in the 21st CenturyCilt 2013/53, Sayı 53
Chemical models are indispensable tool in chemistry class and enable secondary school pupils to develop complex thought processes and spatial concepts, both of which are necessary to improve their understanding of chemical concepts. In this research, special emphasis is given …
International Journal InternaukaCilt 2016/3, Sayı 3
Article presents the results of long-term observations for the study of the productivity of natural pastures located in areas of mountainous and foothill areas of the Republic of Uzbekistan. Also presented and interpreted in terms of productivity and material changes …
The Turkish Online Journal of Distance EducationCilt 2009/10, Sayı 2
The study is a component of a larger investigation that focuses on exemplary practice in chemistry education. This case study involves an investigation of a chemistry teacher in two years intermediate education in Vijayawada, Andhra Pradesh, India. The study utilized …
Problems of Education in the 21st CenturyCilt 2012/41, Sayı 41
The purpose of this study was to determine preservice chemistry teachers’ achievement on different types of test and investigate the effect of different types of test on their achievement related to “Chemical Bonding”. The participants of this study consisted of …
Problems of Education in the 21st CenturyCilt 2011/37, Sayı 37
Digital technologies are used in experimental practice under school conditions mainly for data statistic processing, computer modeling of natural principles and supporting the real experiments by computer, so that the measurement process can occur simultaneously with data recording during experiments. …
International Journal of Environmental and Science EducationCilt 2016/11, Sayı 4
The aim of this article is to disclose features of scientific explanation in teaching of chemistry in the environment of new information of school students’ developmental education. The leading approach to the study of this problem is the information and …
Erzincan Üniversitesi Eğitim Fakültesi DergisiCilt 2006/8, Sayı 1
This research has been conducted on 322 prospective teachers of science, mathematics and primary education program at Amasya Faculty of Education in 2004-2005 academic years. This study is a kind of descriptive study done by survey model. The data of …
Problems of Education in the 21st CenturyCilt 2010/24, Sayı 24
In the article we deal with the topic of Virtual Measuring Devices working in the computer supported measuring system in general chemistry education. We discuss the theoretical base for application of experiments in the chemistry education and its computer support. …
Problems of Education in the 21st CenturyCilt 2009/17, Sayı 17
Scientific description, explanation, prediction as cognitive procedures are inherent to science and deal with understanding the phenomena in the world around us. This explains the fact many studies exist on the nature of scientific description, explanation, prediction and the relationship …
Problems of Education in the 21st CenturyCilt 2009/11, Sayı 11
An experiment is an integral part of natural sciences, especially chemistry. Therefore pupils and students should be in contact with it on regular bases during the process of learning chemistry. However, nowadays a major decrease of use of real chemical …
Problems of Education in the 21st CenturyCilt 2009/11, Sayı 11
In 2007 the cooperation between the Department of Teaching and Didactics of Chemistry, Faculty of Science, Charles University in Prague and the German members of the project CITIES (Chemistry and Industry for Teachers in European Schools) was established. This paper …
International Journal of Environmental and Science EducationCilt 2015/10, Sayı 6
This study investigated the year 12 students’ (N = 56) understanding of chemical equilibrium concepts after instruction using two conceptual tests, the Chemical Equilibrium Conceptual Test 1(CECT-1) consisting of nine two-tier multiple-choice items and the Chemical Equilibrium Conceptual Test 2(CECT-2) …
European ResearcherCilt 2014/14, Sayı 86
Угольная промышленность считается одним из наиболее мощных факторов антропогенного преобразования окружающей среды. Природные геосистемы в пределах углепромышленных территорий на протяжении многих десятилетий подвергался интенсивному техногенному воздействию. Осложнение экологической ситуации происходило в период разработки угольных месторождений и усилилось в период реструктуризации …
European ResearcherCilt 2014/14, Sayı 84
Проблема устойчивого экологического и социально-экономического развития отдельных регионов России на современном этапе темно взаимосвязана с решением вопросов охраны и восстановления окружающей среды. Важной составляющей устойчивого этого является сохранение стабильного природного функционирования речных экосистем, что требует изучения региональных особенностей антропогенной трансформации …
European ResearcherCilt 2014/14, Sayı 68
Важнейшим видом мониторинга за состоянием атмосферы является изучение химического состава атмосферных осадков. Осадки удаляют содержащиеся в атмосфере примеси и участвуют, таким образом, в очищении воздуха. Величина водородного показателя рН, характеризующая активность водородных ионов раствора, является важным свойствам раствора. Величина рН …
Kastamonu Üniversitesi Kastamonu Eğitim DergisiCilt 2015/23, Sayı 4
The aim of this study is to examine the effects of problem based learning approach to overcome students’ misconceptions on physical and chemical change. Simple experimental research design with pre- and post-test was used in the study. The sample of …