ПО ПЪТЯ ON THE ROAD

DEVELOPMENT ОF THE UNIVERSITY PHYSICAL CHEMISTRY IN TWO HISTORIC EPOCHS

The development, after its establishment in 1925, of the Department of Physical Chemistry of the University of Sofia during two epochs of our state – the Kingdome of Bulgaria and the Peoples Republic of Bulgaria – has been shortly reviewed. During these 65 yea...

THE BULGARIAN PHYSICOCHEMICAL TRADITION AND THE INSTITUTE OF PHYSICAL CHEMISTRY “ACADEMICIAN ROSTISLAW KAISCHEW”

The paper traces out the foundation and establishment of the Institute of Physical Chemistry (IPC) at Bulgarian Academy of Sciences as one of the leading institutions in the field of physical chemistry in Bulgaria. The main thematic areas of research are spec...

PYCNOMETRIC EVALUATION OF CRYSTALLINITY AND POROSITY IN PYROXENE GLASS-CERAMICS FROM INDUSTRIAL WASTES

Glass-ceramics are polycrystalline materials, containing amorphous and crystal phases and obtained by controlled crystallization of glasses with suitable compositions. The parent batch is melted, the melt is formed and thus prepared samples partially crystalli...

GEOGRAPHIC COORDINATES AND ATTITUDES OF SYNOPTIC STATIONS IN BULGARIA

HISTORICAL ROOTS AND DEVELOPMENT OF CONSTRUCTIVISM

The essential core of constructivist theory of learning is that knowledge is not transmitted and passively received, but rather, is the result of active cognizing by the individual. Learners transform information and construct new knowledge from their own prev...

HAPPY NUMBERS: PLAY AS A TOOL FOR LEARNING AND INVENTING OF PROBLEMS

The paper discusses a popular game within an elementary school in Sofia, invented by one of its students. It suggests an approach to introduce anAndroid programming for kids on the basis of the game, how new mathematical problems could be invented and solved b...

INTERDISCIPLINARY PROJECT FOR ENHANCING STUDENTS’ INTEREST IN CHEMISTRY

A student research project for sampling and analysis of drinking water from different Bulgarian regions has been parallel incorporated into analytical and organic courses at the second level of high engineering education in Bulgaria. The degree of quality of...

ASSESSMENT OF THE PERCEPTIONS OF THE LEARNING ENVIRONMENT IN UNIVERSITY GROUPS

The studies of student perceptions of learning environment supports the efforts of teachers to develop more effective approaches to design and evaluation of learning in high schools. This article presents the validation and the use of a modified version of the...