COGNITIVE-AND-EDUCATIONAL ASSIGNMENTS FOR FORMING AND DEVELOPING MODELING COMPETENCE IN CHEMESTRY AND ENVIRONMENT EDUCATION

Educational-and-cognitive assignments are a main means for forming a competence for educational-and-cognitive modeling in the high-school level of education. The school subject ‘Chemistry and Environment’ allows the systematic and purposeful forming and develo...

TEACHING INTERMOLECULAR FORCES WITH LOVE ANALOGY: A CASE STUDY

This paper provides an example of an innovative science teaching applied in an introductory chemistry course for future elementary teachers at a small university in northeastern Turkey. The aim of the lesson is to help prospective elementary teachers understan...

PROFESSIONAL PROFILE AND STANDARDS FOR THE TEACHER IN BIOLOGY

Development of modern society is marked by unlimited opportunities in communication, unification of priorities, expectations, influences and interactions on a global scale. Immanent part of changes is also in processes in education as an integral part of dynami...

ON THE EXTERNAL EVALUATION OF TEACHING AND LEARNING IN “MAN AND NATURE” – 4^TH GRADE: SPECIAL SCHOOLS FOR BLIND AND DEAF STUDENTS IN BULGARIA

This article discusses data obtained from the external evaluation of the school subject “Man & Nature” for 4^th grade blind and deaf students in Bulgaria. Special attention is given to students from three schools for pupils with special needs, those...

SCIENCE TEACHERS’ VIEWS ON THE CONSTRUCTIVIST LEARNING ENVIRONMENT IN THE BULGARIAN SCHOOL

A survey of 30 teachers from 28 schools of different type and different Bulgarian regions is carried out. A Bulgarian version of the Constructivist Learning Environment Survey (CLES) has been used to study science teachers’ views on the constructivist learnin...

PREPARATION AND CHARACTERIZATION OF ACTIVATED CARBON DERIVED FROM RUBBER SEED COAT

Activated carbon was prepared from rubber seed coat (RSCAC). It was characterized using Fourier Transform Infrared (FTIR), Thermo gravimetric analysis (TGA), Braunauer Emmett Teller (BET), Scanning Electron Microscopy (SEM), Elemental Analysis (EA), pHpzc and...

METHOD OF MEASURING OF SUN TIME WITH A CYLINDICAL SUNDIAL

A method of measuring the average sun time with a cylindrical sundial is presented in this article. The innovation represents the use of a gnomon–memory system, which has a numerical register consisting of information about the time addition necessary for the...

TO ENHANCE INTEREST OF THE PUPILS TO CHEMISTRY AND CHEMISTRY EDUCATION

The paper reviews in brief the development of chemistry and chemistry education during the centuries. The historic approach in chemistry education proved its power as an effective tool for promoting and keeping the interest of pupils to both chemistry science...

THE BEGINNING OF CHEMISTRY TEACHING IN APRILOV SCHOOL IN GABROVO

The present study aims at specifying the historical period during which chemistry began to be taught as a separate school subject in the First new Bulgarian school in Gabrovo. The research covers the first syllabi from 1872 designed for teaching at school by R...

TEXTILE EFFLUENT TREATMENT AND DECOLORIZATION TECHNIQUES – A REVIEW

Dyes and pigments are widely used, mostly in the textile, paper, plastics, leathers, food and cosmetics industry to color products. Textile industry consumes large volume of water and produce large amount of wastewater during all phases of textile production a...

JUBELEE: DOC. ZDRAVKA MALCHEVA

CONSTRUCTIVISM: THEORY AND PRACTICE

Pelech and Pieper present the fundamentals of constructivism emphasizing on its applications in school practice. Their recent book (2010) is structured in 16 chapters and amongst them are: principles of constructivism, creating a constructivist environment, de...

ПРИРОДОНАУЧНОТО ОБРАЗОВАНИЕ В БЪЛГАРИЯ – ФОТОАРХИВ