Година XXVI, Книжка 5, 2017<<Архив>>
Вести и съобщения
Писма до редакцията
„НАВАКСВАНЕТО“ В VII КЛАС, ИЛИ ДИРИЖИРАНИЯТ ХАОС В „ПРИЛАГАНЕТО“ НА НОВИЯ ОБРАЗОВАТЕЛЕН ЗАКОН
КАК БИ ТРЯБВАЛО ДА ИЗГЛЕЖДА НОВАТА УЧЕБНА ПРОГРАМА ПО ГЕОГРАФИЯ И ИКОНОМИКА ЗА VIII КЛАС?
ON THE PLACEMENT OF HYDROGEN AND HELIUM IN THE PERIODIC SYSTEM: A RESPONSE TO CVETKOVIĆ & PETRUŠEVSKI
A COMMENT ON THE SRIVATHS – LABARCA PERIODIC TABLE
Науката за образованието: теория и практика
ПРЕЖИВЯВАНЕТО НА УДОВОЛСТВИЕ – ФАКТОР ЗА БЛАГОПОЛУЧИЕ В ОБУЧЕНИЕТО ПО БИОЛОГИЯ
Комуникацията в класната стая би могла да бъде анализирана от различни гледни точки – ефективност на ученето и преподаването, емоционално и социално развитие на учениците, социално неравенство и т.н. Представеното тук изследване беше проведено с цел да се про...
communication; social; interaction; teacher; enjoyment; wellbeing
HIGHER EDUCATION IN ENGINEERING AND TECHNOLOGY – THE PRESENT SCENARIO
The Higher Education system all over the world in general has over the years been evolving and changing to meet the essentialities of its citizens. In order to improve and sustain, standard efforts are put in to create better atmosphere for reaching higher ec...
higher education; Indian scenario; regulating bodies
Учебно съдържание, планове, програми и стандарти
ПРОЕКТИРАНЕ НА ОБРАЗОВАТЕЛНА ТЕХНОЛОГИЯ ПО „ИНЖЕНЕРНА ЕКОЛОГИЯ“
Ефективно формираната професионална компетентност е гаранция, че завършващите висше училище са подготвени за бъдещите професионални предизвикателства. Настоящата статия представя технологичен модел на преподаване и учене в задължителен курс по „Инженерна еко...
engineering education; engineering ecology; professional competence; educational technology
DISSIPATION OF HEAT: ESSENTIAL FEATURE OF CYCLIC IRREVERSIBLE PROCESSES
The article discusses one key characteristic of irreversible processes: in order to bring the system back to its original state following such a process, some energy is inevitably dissipated as heat into the surroundings. Greater dissipation indicates greate...
reversible process; irreversibility; cyclic process, isothermal expansion; phase change; heat transfer
Ефективност на обучението
INVESTIGATING THE ABILITY OF 8\(^{TH}\) GRADE STUDENTS TO DESIGNAN EXPERIMENT THROUGH GUIDELINES AS A PART OF THE NATIONAL CHEMISTRY COMPETITION TEST
A study was conducted to test the ability of 8th grade studentsto design an experiment using previously provided guidelines. The sample comprised 64 students chosen to participate at the National chemistry competition in 2016/17 school year.The students were...
conceptual understanding; heating curve; lower-secondary education; designing an experiment; National chemistry competition.
CONTEXT-BASED STUDENT RESEARCH PROJECT WORK WITHIN THE FRAMEWORK OF THE ANALYTICAL CHEMISTRY COURSE
The paper discusses student research project work as an essential component of the context-based approach to teaching analytical chemistry. The key principles of student research project work were formulated. Step-by-step planning and organization of this wor...
student research project; interdisciplinary project learning; contextbased learning; software resource for analytical chemistry
Експерименти в природните науки
SYNTHESIS OF TiO 2-M (Cd, Co, Mn) AS A PHOTOCATALYST DEGRADATION OF METHYLENE BLUE DYE
TiO\(_{2}\)-M (M = Cd, Co, Mn) were synthesized by sol-gel method using titanium(IV) isopropoxide (TTIP) and cadmium sulfate octahydrate (CdSO\(_{4}\).8H\(_{2}\)O), manganese(II) sulfate monohydrate (MnSO\(_{4}\).H\(_{2}\)O), cobalt(II) sulfate heptahyd...
methylene blue; metal doping; photocatalytic degradation; TiO\(_{2}\)-M; visible light
A NOVEL APPROACH FOR KINETIC STUDY OF ALKALINE HYDROLYSIS OF ETHYL ACETATE
We present an innovative electromotive force (EMF) measurement technique to study the kinetic behavior during alkaline hydrolysis of ethyl acetate. The explicit feature of this research is the application of green chemistry ideas that are inherent in the expe...
kinetic study; emf measurement; eco-friendly