FROM THE RESEARCH LABORATORIES
Generation of NO2 by Lead Nitrate Pyrolysis: Never Do Modifications a Prima Vista
Vladimir M. Petruševski
Ss. Cyril and Methodius University – Skopje (North Macedonia)
https://doi.org/10.53656/nat2021-3.02
Abstract. Generation of nitrogen dioxide is a well-known demonstration/experiment, usually performed by pyrolysis of Pb(NO3)2…
ВИЖ ПОВЕЧЕ
Computational Analysis of the Messenger RNA Variants Encoding Two Isoforms of the High-mobility Group box 1 Protein
1) Luchezar Karagyozov, 2) Jordana Todorova
1) Sofia University “St. Kliment Ohridski” (Bulgaria)
2) “Roumen Tsanev” Institute of Molecular Biology – BAS (Bulgaria)
https://doi.org/10.53656/nat2021-3.03
Abstract. High-mobility group box 1 protein (HMGB1) is a multifunctional nonhistone chromosomal protein…
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EXPERIMENTS
Problem of the 8-th Experimental Physics Olympiad, Skopje, 8 May 2021 Determination of Planck constant by LED
Todor M. Mishonov 1), Aleksander P. Petkov 1), Matteo Andreoni 1),
Emil G. Petkov 1), Albert M. Varonov 1),
Iglika M. Dimitrova 1), 2), Leonora Velkoska 3),
Riste Popeski-Dimovski 3)
1) Georgi Nadjakov Institute of Solid State Physics – BAS (Bulgaria)
2) University of Chemical Technology and Metallurgy (Bulgaria)
3) “Ss. Cyril and Methodius” University – Skopje (R. N. Macedonia)
https://doi.org/10.53656/nat2021-3.03
Abstract. This is the problem of the 8th International Experimental Physics Olympiad (EPO8). The task of the EPO8 is to determine Planck constant ħ = h/2p using the given set-up with LED…
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CURRICULUM MATTERS
Professional Dispositions of Graduate Pre-service Mathematics Teachers among Three College of Teacher Education in Ethiopia
Dr. Anteneh Tefera 1), Prof. Mulugeta Atnafu 2), Dr. Kassa Michael 2)
1) Dire Dawa University (Ethiopia)
2) Addis Ababa University (Ethiopia)
https://doi.org/10.53656/nat2021-3.04
Abstract. The general objective of this study was to examine the professional disposition (attitude and self-efficacy) of pre-service teachers hold at the end of teacher education programs in terms of gender and modality…
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NEW APPROACHES
Основни дидактически аспекти, свързани с прилагане на STEM технологията в обучението по природни науки
Христина Петрова
Пловдивски университет „Паисий Хилендарски“
https://doi.org/10.53656/nat2021-3.05
Резюме. STEM технологията е иновативна образователна технология…
ВИЖ ПОВЕЧЕ
Развитие на хипотезите за биохимичния произход на живота
доц. д.п.н Здравка Костова
Департамент за информация и усъвършенстване на учители
СУ „Св. Климент Охридски“
https://doi.org/10.53656/nat2021-3.06
Резюме. Анализират се основните положения и критики на водещи хипотези за биохимичния произход на живота в резултат на новите постижения в природните науки и технологии…
