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Year XXIX, Issue 4, 2020<<Archive>>

In this issue:

Nеw Approаchеs
Intеrdisciplinаry
Tеаching Еfficiеncy
Tеаching Еxpеrimеnt in Sciеncе
Tеаching Еxpеrimеnts in Sciеncе
History of Еducаtion: Bulgаriаn Еducаtionаl Trаdition
From thе Rеsеаrch Lаborаtoriеs
Sciеncе аnd Sociеty
Sciеncе & Sociеty

Nеw Approаchеs

TEACHING PHASES OF THE MOON WITH A ROLE PLAY

This paper provides an example of an innovative science activity applied in a science methods course of 48 future science teachers at a small university in northeastern Turkey. The aim of the activity is to help prospective science teachers understand the phas...

Mehmet Karakas

phases of Moon; demonstrations and analogies; role play; learning activities; elementary and middle school science

Intеrdisciplinаry

MODEL FOR USING CLOUD TECHNOLOGIES IN INTERDISCIPLINARY PROJECT IN CHEMISTRY AND ENVIRONMENTAL PROTECTION

In the report the author shares an interdisciplinary project that includes the subjects Chemistry and Environmental Protection, Bulgarian Language and Literature, Mathematics and English. The project involved four teachers, 93 students from the 7th grade of th...

Kalina Ivanova

interdisciplinary project; digital skills; teamwork; G Suite for Education

Tеаching Еfficiеncy

COMPARISON OF INTERACTIVE METHODS IN TEACHING PHYSICS AND ASTRONOMY IN GRADE 10, LEVEL I

This paper builds on the results of an empirical report prepared in the context of the European project MAR.CH. and a review of the literature on the use of ICT in school. An original study on the role of the teacher in contemporary online (interactive) teac...

Nina Atanasova Taneva, Vladimir Bozhilov

astronomy; education; STEM; ICT; interactive teaching methods

Tеаching Еxpеrimеnt in Sciеncе

ATTENUATION EFFECT IN ALIPHATIC ACIDS EXTENDED TO ALKANES THE CARBON ACIDS VIA THE ALIPHATIC ALCOHOLS: AN EDUCATIONAL PERSPECTIVE IN CHEMISTRY

A simple, new, lucid and an improved version of a protocol over Andrew William’s treatment is presented in this article for the evaluation of the attenuation effect of methylene group on the deprotonation process of aliphatic acids \(\mathrm{RCOOH}-\mathrm{RC...

R. Sanjeev, V. Jagannadham

attenuation effect; methylene group; aliphatic acid dissociation equilibriums, Taft r*

Tеаching Еxpеrimеnts in Sciеncе

JACOB’S LADDER FOR THE PHYSICS CLASSROOM

Jacob’s ladder is a relatively simple experiment simultaneously demonstrating the physical effects of gas discharge and buoyancy (Archimedes force) acting on an arch. The goal of the present work is to describe an experimental set-up for the Jacob’s ladder b...

Kristijan Shishkoski Vera Zoroska, Vera Zoroska

demonstration experiment; high-school; Jocob’s ladder; gas discharge; Archimedes force.

History of Еducаtion: Bulgаriаn Еducаtionаl Trаdition

SCHOOL CHEMISTRY LABORATORY: OXYGEN PRODUCTION

Only a real chemical experiment in class can motivate students to study chemistry willingly. In this respect, Bulgaria has a rich educational tradition, which today is completely forgotten. This article shows how oxygen can be produced in a school laboratory....

B.V. Toshev

school experiment; school laboratory; oxygen production

ECHO FROM THE PAST: THE ACTIVE SCHOOL

Bulgaria has a rich educational tradition. Nowadays, this tradition is not known to such an extent as to influence the current state and development of Bulgarian education. This article documents the ideas of the Bulgarian pedagogical specialists from 1937...

B.V. Toshev

educational tradition; active school

From thе Rеsеаrch Lаborаtoriеs

COMPARATIVE PERFORMANCE AND DIGESTIBILITY OF NUTRIENTS IN AFSHARI AND GHEZEL RAM LAMBS

This study was investigated to comparative performance and digestibility of nutrients in Afshari and Ghezel ram lambs. In the first trial 30 animals at the age of 5 months (15 Afshari (AF) and 15 Ghezel (GH) ram lambs were randomly allocated to individual pen,...

Morteza Karami, Fardis Fathizadeh, Arash Yadollahi, Mehran Aboozari, Yaser Rahimian, Reza Alipoor Filabadi

ram lambs; Afshari; Ghezel; fattening performance; digestibility

Sciеncе аnd Sociеty

AROMATIC AND MEDICINAL PLANTS AND THEIR USE OF THE MASSMOUDA REGION NORTHERN MOROCCO

An ethnobotanical study of medicinal and aromatic plants was conducted in the Massmouda district of the northern city of Ouezzane in Morocco. It was done in order to establish the catalog of aromatic and medicinal plants and to gather all the information conce...

Miloudi Hilali

aromatic and medicinal plant; traditional medicine; herbal medicine; Massmouda

Sciеncе & Sociеty

CALCIUM, PHOSPHOROUS AND OTHER FACTORS IN THE BONE HEALTH

In the present study is discussed the physiological role of some biogeneous elements and radicals determining the structure of the bones, studied in the high school course of Chemistry and Environmental Protection. The concept of oxidative stress, caused by f...

Radka Tomova, Svetla Asenova, Pavlina Koseva

osteoporosis; calcium; free radicals; oxidative stress; education