Chemical myths and reality: “hydrogen” water

Authors:

Berdonosov S.S.. Adress: Moscow. Workplace: Lomonosov Moscow State University.

Summary

The author exposes the advertising myth about healing properties of so-called “hydrogen” water.

Keywords:

“hydrogen” water, solubility of hydrogen in water, advertising.


Methods and Experience Exchange

From the experience of humanization of teaching chemistry

Authors:

Kunaeva A. P.. Adress: St. Petersburg. Workplace: The Herzen State Pedagogical University of Russia.

Ivanova I. S.. Adress: St. Petersburg. Workplace: Secondary School № 292.

Summary

The authors suggest methodological recommendations for studying types of chemical reactions using integration of scientific and humanitarian spheres of knowledges.

Keywords:

Humanitarization of teaching chemistry, types of chemical reactions, cognitive tasks.


Methods and Experience Exchange

Information learning maps-algorithms in organic chemistry

Authors:

Kendivan O. D-S.. Adress: Kyzyl. Workplace: Tuva State University.

Summary

Algorithms for solving problems in organic chemistry are presented. It is shown that algorithms can be realized in the establishment of molecular formulas of organic substances. Particular attention is paid to the basic laws of chemistry and quantitative calculations on the equations of combustion reactions. Examples of the application of algorithms for solving problems by means of tabulation, distribution of the solution progress by stages are given.

Keywords:

Didactic cards, algorithms, organic chemistry, methods of teaching chemistry, a single exam, molecular formulas, computational problems, Unified State Exam.


Methods and Experience Exchange

Adaptive-innovative approach in using presentations

Authors:

Kazarova O.A.. Adress: Novgorod. Workplace: Yaroslav-the-Wise Novgorod State University.

Pchelina E.A.. Adress: Novgorod. Workplace: Yaroslav-the-Wise Novgorod State University.

Summary

In the article features of adaptive-innovative approach are considered in using presentations for educational purposes, providing achievement of qualitatively new results due to the systematic application of pedagogical technologies and individualization of training.

Keywords:

Innovations, adaptive-innovative approach, presentations, presentation classifications, presentation functions, pedagogical technologies, individualization of teaching, original methods and tools for assessing students' achievements.


Methods and Experience Exchange

The main state exam in chemistry as a reflection of modern trends in control and evaluation activities

Authors:

Dobrotin D. Yu.. Adress: Moscow. Workplace: Federal Institute of Pedagogical Measurements.

Molchanova G.N.. Adress: Moscow. Workplace: Federal Institute of Pedagogical Measurements.

Summary

The article discusses the promising models of tasks planned for inclusion in the control measurement versions of the main state exam in chemistry, paid attention to their content and skill orientation, as well as approaches to the evaluation of tasks with a detailed answer.

Keywords:

The main state exam in chemistry, control measuring materials, evaluation criteria, skills, substance, chemical reaction.


Methods and Experience Exchange

Ways of developing logical thinking

Authors:

Latypova E.F.. Adress: Agryzsky municipal district, Republic of Tatarstan. Workplace: Isenbayevskaya Secondary School.

Summary

The material from the author’s personal experience is suggested. Approaches to developing logical thinking in lessons of chemistry and biology are presented.

Keywords:

Logical thinking, students’ cognitive activity, students’ active thinking.


Methods and Experience Exchange

From experience of studying elements of physics and chemistry in the course of natural science

Authors:

Simonova I. S.. Adress: Kazan. Workplace: Secondary School № 49.

Summary

Great opportunities for the organization of vigorous independent activity of students are given by studying the world around us and its laws within a propaedeutic course of natural science (physics and chemistry) in 5-6 grades. Students get initial information about a wide range of various phenomena occurring in their everyday life.

Keywords:

Natural science, propaedeutic studying chemistry, phenomena.


Methods and Experience Exchange

Local historical aspect of studying metals

Authors:

Zavyalova G.E.. Adress: Volgograd. Workplace: Volgograd State Socio-Pedagogical University.

Reut L.A.. Adress: Volgograd. Workplace: Volgograd State Socio-Pedagogical University.

Panibratenko M.V.. Adress: Volgograd. Workplace: Volgograd State Socio-Pedagogical University.

Summary

The article is devoted to the study of metals in the school course of chemistry on the basis of the local history material, which is the essential integral part of the regional component of the state educational standard. The examples of Volgograd historical and cultural monuments made of bronze are used. The utilized material makes it possible to form the respect for the history, traditions, relics of the native land.

Keywords:

Metals, alloys, bronze, local history material, regional component, traditions of the native land, didactic cards.


Methods and Experience Exchange

Science fiction plots as a context for tasks in chemistry

Authors:

Pavlov I.I.. Adress: Yakutsk. Workplace: Institute of Natural Sciences of the North-Eastern Federal University.

Summary

The article describes the possibilities of using scenes from science fiction to compose tasks in chemistry that contribute to increasing the positive motivation of schoolchildren for the learning process. A technique is presented for the presentation of excerpts from movies, their justification and refutation based on scientific knowledge. The educational goal of the proposed methodology is to create conditions for increasing the positive motivation of schoolchildren, contributing to the systematization and practical application of acquired knowledge in solving problem problems based on the science fiction plot.

Keywords:

Motive, motivation, science fiction, chemical tasks, inorganic chemistry, lesson, video, medium of instruction.


Methods and Experience Exchange

Working in groups in studying the material about chemical bonds

Authors:

Efimova L.V.. Adress: Kazan, Republic of Tatarstan. Workplace: Chemical lyceum for gifted children named after P.A. Kirpichnikov.

Summary

Methodical scenario of the lesson “Chemical Bond” for 8th-graders is presented. The lesson is developed in accordance with the program of O.S. Gabrielyan, but may also be used in chemical education following programs of other authors.

Keywords:

Аtom, electron, outer energy level, inert gases, covalent chemical bond, team work, algorithm.


Methods and Experience Exchange

Generalization of knowledge in the lesson “Chemical properties of organic substances”

Authors:

Anatsko O.E.. Adress: St.-Petersburg. Workplace: Gymnasium № 399.

Summary

The scenario of a lesson “Chemical properties of organic substances” is suggested. The lesson is designed for 2 h and given after studying the theme “Oxygen-containing organic compounds”.

Keywords:

Generalization of knowledge, comparison of properties of substances, classes of organic substances, group work.


Consultation

On studying redox reactions in the course of inorganic chemistry

Authors:

Vekolova V.V.. Adress: Kolomna. Workplace: State University of Humanities and Social Studies.

Summary

The article deals with the dependence of oxidation-reduction activity of a system on its redox potential. The oxidizing power (OP) of nitric and concentrated sulphuric acids; oxidizing and reducing properties of manganese and chromium compounds, hydrogen peroxide are discussed.

Keywords:

Redox potential, oxidizer, reducing agents, nitric acid, sulphuric acid, manganese and chromium compounds, hydrogen peroxide.


Chemical Experiment

Laboratory experiment in training pupils for implementing the USE Task 32

Authors:

Larionova V. M.. Adress: Kaluga. Workplace: Tsiolkovsky Kaluga State University.

Lasykina L. G.. Adress: Kaluga. Workplace: Tsiolkovsky Kaluga State University.

Pustovit S.O.. Adress: Kaluga. Workplace: Tsiolkovsky Kaluga State University.

Summary

Recommendations for using laboratory experiment in training students for implementing the USE Task 32 are given. The main reasons of difficulties of students and possible ways to overcome them are considered.

Keywords:

Unified state exam in chemistry, relationship between inorganic substances, technical operations.


Extracurricular Activities

The on-line tour of inter-regional Olympiads held by Kazan university

Authors:

Kuramshin A.I.. Adress: Kazan. Workplace: Kazan (Volga region) Federal University.

Plotnikova A.V.. Adress: Kazan. Workplace: Kazan (Volga region) Federal University.

Summary

This article discusses issues related to the organization, conduct and evaluation of inter-regional Science Olympiads in chemistry held by Kazan Federal University, analyzes the level of competence of students in solving the tasks of the first (distant) tour of the Science Olympiad, and makes a conclusion about the gap between the level of students' knowledge and ability to apply them consciously.

Keywords:

Subject olympiads, measurement and control materials, educational measurement, competence, knowledge, skills.


Extracurricular Activities

Mendeleev’s Wednesdays

Authors:

Makarov Y u.B.. Adress: Klin district, Moscow region. Workplace: Maleevka Secobdary School.

Summary

Meetings of scientists and artists organized by D.I. Mendeleyev called “Mendeleev Wednesdays” are described. Themes for educational projects studying different aspects of D.I. Mendeleyev's life activity are offered. The author suggests organizing regular “Wednesday” discussion of these project works in memory of the tradition held by D.I. Mendeleyev's friends.

Keywords:

Research project, individual work, the topics of the projects, excursion.


Extracurricular Activities

Getting to know minerals through a game activity

Authors:

Lupakov V.E.. Adress: Brest, Belorussia. Workplace: Secondary School№ 10.

Summary

The author offers the description of an extracurricular activity in the form of a game in which students get their initial knowledge of names and properties of the most abundant minerals.

Keywords:

Extracurricular activity, game, mineral.