АКАДЕМИЧНО СЛОВО ПРЕД АБСОЛВЕНТИТЕ ОТ ВИПУСК 2014

INTELLECTUAL “SYNERGY” BETWEEN TWO EUROPEАN PROJECTS

TEACHING CHEMISTRY AT TECHNICAL UNIVERSITY

In the recent years, there have been several growing tendencies, which determine the increased necessity to educate adults. National Strategy for Continuing Professional Training has been developed. Priorities are given to further development of secondary an...

PLICKERS ASSISTED FORMATIVE PEER INSTRUCTION ASSESSMENT

The article presents the potential of Plickers – an up-to-date technology that has shown its effectiveness in the formative assessment of secondary school and university students. Shown are some of specifics of the interactive methods of formative peer instru...

IMPROVING STUDENTS’ PERFORMANCE IN NAMING AND WRITING STRUCTURAL FORMULAE OF HYDROCARBONS USING THE BALL-AND-STICK MODELS

Learning chemical concepts at the submicroscopic and symbolic levels has been identified as a difficult task for science students. Studies have shown that IUPAC nomenclature of organic compounds, which is at the symbolic level of learning chemical concepts,...

STUDENT PERFORMANCE IN A SEMINAR BASED EXAMINATION OF BASIC BIOCHEMISTRY COURSE

One of the major duties of any lecturer is to adopt different teaching methods in order to obtain excellent student performance. This study was conducted to investigate the performance of students in a seminar based examination compared to a lecture and pract...

VAPOR PRESSURES OF 1-BUTANOL OVER WIDE RANGE OF THEMPERATURES

Vapor pressure (VLE) of 1-butanol was studied at temperatures T=(274.15 K to 468.15) K using the two different static method installations. A glass cell was used below T = 323.15 K. Experimental uncertainties for the glass cell are ΔT = ±0.01 K and ΔP = ±(1...

THREE HYPOTHETICAL PROBLEMS FOR QUANTITATIVE PRECIPITATION

An analysis process involves the separation of the analyte from interferences. The precipitation can be used as a separation step when analyte is precipitated as an insoluble compound in a gravimetric analysis procedure. It must be determined the appropriate...

FORMATION OF А NEW KNOWLEDGE THROUGH GRAPHICAL MODELING IN PHYSICS EDUCATION

The author offers a novel approach for the formation of new knowledge in physics education in secondary school. It is associated with the inclusion of graphical modeling of the physical laws, processes and phenomena. Such approach enriches the theory and pr...

PROFESSOR TODOR GEORGIEV NIKOLOV, A GEOLOGIST

The article traces briefly the life and work of Acad. Prof. Todor Georgiev Nikolov from his high school years to a world-class scientist. Deserved recognition is given to his research achievements in the field of geology, paleontology, evolution of the Eart...

ABOUT THE CREATOR OF THE TRACE ATOMS: 130 YEARS FROM THE BIRTH OF GEORGE DE HEVESY

In the present paper was given the important facts in the life of George de Hevesy – the creator of radioactive isotopes in studying the metabolic processes of plants and animals. At the same time de Hevesy was discoverer of the hafnium, the neutron activatio...

DESIGN OF UNIVERSITY E-LEARNING COURSE (FOR PROSPECTIVE BIOLOGY TEACHERS)

The concept of “design of e-learning course” in higher education has been the focus of various research communities during the last decade. Due to the growing number of publications on e-learning, the problem of model for university course becomes a widely d...

КУЛТУРНА ИСТОРИЯ НА НАУКАТА: НОВИ ИДЕИ ЗА МАТЕРИЯТА И ВЪЗНИКВАНЕТО НА МОДЕРНАТА ХИМИЯ

During the seventeenth and eighteenth centuries, Europeans raised a number of questions about the nature of reality and found their answers to be different from those that had satisfied their forebears. They discounted tales of witches, trolls, magic, and...