About creating students’ individual educational routes

Authors:

Safina L.G.. Adress: Samara. Workplace: Samara State University of Social Sciences and Education.

Summary

The article discusses the need for introducing into the school educational process elective courses in chemistry as individual educational routes at the high stage of school education. Methodical recommendations for conducting classes in elective courses in chemistry in various forms and ways of activating mental activity of students in the classroom are described.

Keywords:

Extracurricular activities, elective courses, chemistry, specialized education.


Science and Industry

Coal energetics of Russia

Authors:

Volkov V. N.. Adress: Pskov. Workplace: Pskov State University.

Davtyan M. L.. Adress: Pskov. Workplace: Education Centre “Pskov Pedagogical complex”.

Summary

The article describes modern methods of mining and concentration of coal, classical end home industry technologies of its use in heat-power engineering.

Keywords:

Соal, cоal methane, mining, concentration, burning down, thermocoke.


Science and Industry

On methods of obtaining hydrogen

Authors:

Osadchenko I. M.. Adress: Volgograd. Workplace: The Volga Research Institute for Meat and Milk Production and Processing.

Lyabin M. P.. Adress: Volgograd. Workplace: Volgograd State University.

Summary

The material about various methods of obtaining hydrogen used in laboratory and in the industry is provided.

Keywords:

Hydrogen, obtaining hydrogen.


Methods and Experience Exchange

On the realization of interdisciplinary approach to learning chemistry

Authors:

Pankina V.V.. Adress: Saransk. Workplace: Mordovian State Teacher Training College of M.E. Evsevyev.

Zhukova N.V.. Adress: Saransk. Workplace: Mordovian State Teacher Training College of M.E. Evsevyev.

Lyapina O.A.. Adress: Saransk. Workplace: Mordovian State Teacher Training College of M.E. Evsevyev.

Summary

The authors of the article show the importance of using meta-subject approach in studying chemistry. On the basis of the literature analysis the structure and content of meta-subjects “Knowledge” and “Sign” are presented. With the use of these categories, educational and cognitive activity of students in chemistry lessons on the theme “Oxides” is considered.

Keywords:

Meta-subject approach, meta-subject “Knowledge”, meta-subject “Sign”.


Methods and Experience Exchange

Teaching graduates to think

Authors:

Strelnikova E. N.. Adress: Moscow. Workplace: School №57.

Summary

The article deals with some typical mistakes made by school graduates while solving chemistry problems in the Russian State exam. We discuss the causes and the ways to prevent such mistakes.

Keywords:

Russian state exam, сhemistry, typical mistakes, revision.


Methods and Experience Exchange

About forming skills of meaningful reading

Authors:

Aleksandrova Y e. V.. Adress: Yaroslavl. Workplace: Yaroslavl State Pedagogical University named after K. D. Ushinsky.

Summary

The article deals with the development of skills of meaningful reading while working with texts in chemistry. As an example the author provides a short text about the Dead Sea and various educational tasks based on this text.

Keywords:

Meaningful reading, the Dead sea, solutions, solubility, biological role of solutions, ecology.


Methods and Experience Exchange

Developing students’ regulatory abilities for improving the quality of chemical knowledge

Authors:

Kortunov G. M.. Adress: Moscow. Workplace: Moscow State Pedagogical University.

Summary

A short description of a technique of development of students’ self-regulation in studying chemistry at school is given. Examples of the tasks in chemistry which allow assessing students’ regulatory abilities are offered.

Keywords:

Self-regulation in learning, regulation skills, differentiated tasks.


Methods and Experience Exchange

About organizing educational research activities

Authors:

Drobyshev E. U.. Adress: Makeevka. Workplace: Secondary school № 4.

Chernishev D. A.. Adress: Donetsk. Workplace: Donetsk National University.

Summary

The educational and research activity of schoolchildren is one of the most effective innovative methods of teaching which gives good results both in terms of motivation for learning, developing the student's research skills, and the investigative behavior of the individual as a whole. The didactic aspects of organizing educational and research activities for such types as project, project-research, research are described in the article. The purposes and educational results for each type of educational and research activity, their similarities and differences are given.

Keywords:

Educational and research activity, innovations in teaching, project activity of schoolchildren, design and research activity.


Methods and Experience Exchange

From experience of studying complex compounds

Authors:

Klimenko M. E.. Adress: Khabarovsk. Workplace: N. F. Pan’kov Gymnasium № 3.

Summary

The author offers the description of three lessons on this subject. Content of a lecture, tasks for training and a technique of carrying out experiments on obtaining complex compounds are given.

Keywords:

Complex compounds, tasks for training, obtaining complex compounds.


Methods and Experience Exchange

Calculation tasks on the topic “Chemical transformations in gas mixtures”

Authors:

Larionov P. М.. Adress: Minsk. Workplace: Maxim Tank Belarusian State Pedagogical University.

Summary

The methodology of solving tasks on chemical transformations in gas mixtures is considered, the main errors that arise during the solution are identified. Recommendations that simplify solving calculation tasks are offered.

Keywords:

Gas mixtures, chemical reactions, law of energy conservation.


Methods and Experience Exchange

Forming elements of medical knowledge in studying lessons

Authors:

Tagiev T. I.. Adress: Ganja, Azerbaijan Republic. Workplace: Ganja State University.

Summary

The research conducted by the author proves that it is possible to carry out generalization of medical knowledge in chemistry lessons at comprehensive schools.

Keywords:

Medical knowledge, health, learning chemistry, medical concept, gerelalization, pollution, pollutant, poison, poisoning.


Methods and Experience Exchange

About the system of home assignments with use of the Internet

Authors:

Gorodenskaya A. S.. Adress: Moscow. Workplace: Secondary school № 1357.

Summary

The article is devoted to the problem of students doing their homework in chemistry. The importance of self-addressing homework is shown not only for the successful development of the subject, but also for the development of the cognitive activity of the student. The author presents ways to make homework in chemistry interesting and thus engage all students in an active independent cognitive activity.

Keywords:

Homework, independence, cognitive interest, information, cognitive activity.


Consultation

About quantum chemical models of atoms and molecules

Authors:

Yablokov V. A.. Adress: Nizhny Novgorod. Workplace: Nizhny Novgorod State University of Architecture and Civil Engineering.

Zaharova O. M.. Adress: Nizhny Novgorod. Workplace: Nizhny Novgorod State University of Architecture and Civil Engineering.

Summary

The article is devoted to a detailed consideration of graphic quantum-chemical models of atoms, molecules and chemical bonds. This approach allows understanding the nature of chemical processes and laws of their proceeding.

Keywords:

Atom, molecule, types of chemical bonds, atomic orbital, hybridization of atomic orbitals, models of chemical reactions.


Extracurricular Activities

Research of quality of shaving products in elective course classes

Authors:

Alekhina Y e. A.. Adress: Omsk. Workplace: Omsk State Pedagogical University.

Summary

The article presents materials for the organization of educational research of cosmetic products for shaving. Theoretical information includes a description of the classification, organoleptic, physical and chemical parameters of shaving products. The experimental part contains methods of studying packages, organoleptic research, detection of some components (unsaturated carboxylic acids, glycerin, ethanol) and quantitative determination of indicators of quality of products for shaving (pH, foam number and foam stability, density of shaving oils).

Keywords:

Perfumery and cosmetic products, shaving products, marking of packages, organoleptic research, unsaturated carboxylic acids, glycerin, ethanol, hydrogen index (pH), foam number and foam stability, density of shaving oils.


Extracurricular Activities

Studying the quality of honey

Authors:

Igosheva Y e. V.. Adress: Perm. Workplace: Secondary School №109.

Trapeznikova N. N.. Adress: Perm. Workplace: Perm State Agro-Technological University named after Academician D. N. Pryanishnikov.

Summary

The material for the organizing students’ research activity is offered. The authors describe techniques of studying organoleptic and some physical and chemical properties of honey for the assessment of its quality.

Keywords:

Honey, organoleptic analysis, physical and chemical indicators of quality, determination of quality of honey.


Facts from the History of Chemistry

Periodic law: history and modern interpretation

Authors:

Fadeev G.M.. Adress: Moscow. Workplace: The Bauman Moscow State Technical University.

Lebedev Y u.A.. Adress: Moscow. Workplace: The Bauman Moscow State Technical University.

Summary

The article is devoted to the 150th anniversary of the discovery made by D.I. Mendeleyev. The history of the discovery, three periods in studying periodicity, and modern understanding of the Periodic law are considered in detail.

Keywords:

Periodic law, electronic structure of atom, nuclide-electronic systems, anti-matter.