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Natural Science and Advanced Technology Education
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Home Chemistry Contents of Natural Science and Advanced Technology Education, 2022

Natural Science and Advanced Technology Education, 1/2022, vol. 31

in Contents of Natural Science and Advanced Technology Education, 2022

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EXPERIMENTS

LABORATORY EXERCISES IN MODULE 4. CHALLENGES AND ANSWERS

Nasko Stamenov
“Acad. Lyubomir Chakalov” National High School of Mathematics and Science

https://doi.org/10.53656/nat2022-1.04

Absract. This article displays experiments developed for times when a lab or equipment is not available...

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NEW APPROACHES

FROM LUCA TO LECA AND TO THE EVOLUTIONARY TREE OF LIFE

Assoc. Prof. Zdravka Kostova, DSc.
University of Sofia

https://doi.org/10.53656/nat2022-1.03

Absract. The article analyzes contemporary research on early microbial evolution starting from LUCA (Last universal common ancestor) to the establishment of the two branches of the empire (superkingdom) Prokaryota – Archaea and Bacteria...

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METEORS – BASIC CONCEPTS AND TERMINOLOGY –II PART

Valentin Velkov
Astronomical club “Canopus” - Varna

https://doi.org/10.53656/nat2022-1.02

Absract. This article discusses some basic concepts related to meteor astronomy, as well as the use of the correct terminology when working in Bulgarian.Due to the huge volume of topics, this is the second part of an upcoming series...

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CURRICULUM MATTERS

COMPARISON OF FORMATS FOR PROFILED TRAINING IN SELECTED MATRICULATION SUBJECTS AND FORECAST FOR THE EXPECTED RESULTS FROM THEM

Dr. Ivan Drenovski
South-West University „Neofit Rilski“ Blagoevgrad, Bulgaria

https://doi.org/10.53656/nat2022-1.01

Absract. The article attempts an informal, partial assessment of the impact of changes in the training and examination programs of some state matriculation exams for profiled training...

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RESULTS OF THE EXTERNAL ASSESSMENT IN BIOLOGY AND HEALTH EDUCATION – VIII GRADE (2018/2019 SCHOOL YEAR)

Svetla Bukovska, PhD student 1), Isa Hadjiali, Assoc. Prof. 2)
1)Center for Assessment in Pre-school and School Education
2) Sofia University, "St. Kliment Ohridski"

https://doi.org/10.53656/nat2022-1.06

Absract. The article presents the results of the external assessment in Biology and Health Education – VIII grade during the 2018 – 2019 school year, in representative sample of 2682 students from all administrative regions...

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TEACHING EXPERIMENT IN SCIENCE

Distance learning: homemade colloidal silver

Ana Sofía Covarrubias-Montero, Jorge G. Ibanez
Universidad Iberoamericana – Mexico City (Mexico)

https://doi.org/10.53656/nat2022-1.05

Abstract. To continue the experimental education of Chemical Engineering students during the SARS-Covid 19 pandemic, our school opted for assembling laboratory kits for each one of them and sending them by courier service to their homes…

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