Methods and Experience Exchange

Doctrine about periodicity and conceiving the world

Authors:

N. I.. Adress: Tobolsk. Workplace: Tobol Industrial Institute.

Summary

The paper reveals the role of periodicity in nature, as well as the significance of the periodicity doctrine for various natural sciences and philosophy.

Keywords:

Periodicity, Periodic law, D I Mendeleev.


Methods and Experience Exchange

Integrated approach to studying the problem of water pollution

Authors:

E. A.. Adress: Zavodoukovsk, Tyumen Region. Workplace: Secondary School № 1.

Summary

The lesson deals with the problem of environmental pollution and its solutions in terms of chemistry, physics, biology, mathematics, computer science, history, law, literature and art, life safety.

Keywords:

Environmental pollution, water pollution, garbage.


Methods and Experience Exchange

Propaedeutics in lessons and extracurricular activities

Authors:

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

Summary

The article presents the experience on propaedeutics of teaching basics of chemistry through lessons, games and students’ research projects in primary school and 5-7 grades.

Keywords:

Propaedeutics of studying chemistry, business games, research.


Methods and Experience Exchange

On systematization of educational material in studying organic compounds

Authors:

V. V.. Adress: Saransk. Workplace: Mordovian State Pedagogical Institute.

N. B.. Adress: Saransk. Workplace: Mordovian State Pedagogical Institute.

O. A.. Adress: Saransk. Workplace: Mordovian State Pedagogical Institute.

Summary

The article discusses the main types of systematization of educational material as logical actions necessary for studying chemistry successfully. The example of generalizing the material on hydrocarbons discloses the use of various kinds of systematization in the school course of organic chemistry.

Keywords:

Systematization, types of systematization, organic chemistry, hydrocarbons.


Methods and Experience Exchange

Survey lesson in studying monosaccharides

Authors:

S. Yu.. Adress: Volgograd. Workplace: Gymnasium № 6.

Summary

The lesson «Establishing the structure of an organic substance on the basis of its composition, physical and chemical properties» includes all stages of educational research. Each stage includes solving a problem situation. Considering the structure of monosaccharides allows generalizing all organic chemistry issues studied by tenth-grade students: structural formulas, functional groups, physical and chemical properties of oxygen-containing organic substances, qualitative reactions. When finding solutions using theoretical materials (textbook, Internet resources, textbooks for chemical Universities), the results of chemical experiments conducted by students are discussed.

Keywords:

Glucose, fructose, structural formula, qualitative reactions, research, problem situation.


Methods and Experience Exchange

New task number in controlling and measuring materials

Authors:

O. A.. Adress: Samara. Workplace: Secondary School № 8.

Summary

Questions for training students in completing Task 1 of the Basic State Exam in chemistry in 2020 are provided.

Keywords:

Chemical element, text information, Basic State Exam in chemistry.


Methods and Experience Exchange

On a way of making calculations according to the equations of chemical reactions

Authors:

V. I.. Adress: Gelenjic, Krasnodar region.

Summary

It is proposed to start with converting the calculation formula, and then enter the data of the task into the converted formula without any change.

Keywords:

Amount of substance, identity, system of equations.


Methods and Experience Exchange

Metaphorical contextual problem as a tool of stimulating cognitive activity

Authors:

A. M.. Adress: Moscow. Workplace: Lomonosov Moscow State University.

Summary

The article discusses a quasi-chemical contextual problem with metaphorical content. By the example of a specific problem, the ways of achieving important (and sometimes unexpected) meta-subject results of teaching chemistry are shown.

Keywords:

Metaphor, analogy, contextual problem, cognitive activity.


Methods and Experience Exchange

Lesson “Chemical properties of oxides”

Authors:

A. N.. Adress: Mezhdurechensky, Kondinsky district, KhMAO-Yugra. Workplace: Mezhdurechenskaya Secondary School.

Summary

The methodical technique by means of which it is possible to form learning skills in drawing up chemical equations in a short time is presented. Algorithmization of chemical equations allows students to learn the logic of action, remember the universal scheme, which will lead to success.

Keywords:

Chemical equation, properties of oxides, algorithmization.


Methods and Experience Exchange

On studying hydrogen

Authors:

E. V.. Adress: Kholmsk, Sakhalin region. Workplace: Lyceum “Hope”.

Summary

The description of a lesson for studying the topic “Hydrogen” is given. The purpose of this lesson is to form students’ ideas about hydrogen as a chemical element.

Keywords:

Hydrogen, self-esteem, group work.


Consultation

Analyzing and explaining experiments with iodine

Authors:

Yu. N.. Adress: Moscow. Workplace: Moscow State Pedagogical University.

Summary

Simple experiments illustrating physical properties of iodine are described, their theoretical explanation is given.

Keywords:

Iodine, physical properties of iodine, iodine sublimation, iodine melting, solubility of iodine, extraction.


Chemical Experiment

From the experience of teaching the theme “Electrolysis of solutions”

Authors:

L. W.. Adress: Belgorod. Workplace: Belgorod National Research University.

T. G.. Adress: Belgorod. Workplace: Belgorod National Research University.

T. Ye.. Adress: Belgorod. Workplace: Belgorod National Research University.

Summary

The article deals with the technique and methodology of conducting laboratory experiments using a tool for testing electrical conductivity of electrolyte solutions while organizing the problem-based learning of electrolysis of solutions.

Keywords:

Electrolysis, electrolyte, direct electric current, anode, cathode, experiment.


Extracurricular Activities

Subject and meta-subject aspects of tasks of Chemistry Olympiads

Authors:

I. M.. Adress: Tula. Workplace: Tula State Lev Tolstoy Pedagogical University.

T. N.. Adress: Tula. Workplace: Tula State Lev Tolstoy Pedagogical University.

Summary

An important role in mastering research methods, both general and specific for chemical science, is played by the appeal to the history of chemistry, the acquisition of experience in research activities, the development of regulatory learning abilities, which is reflected in the presented Olympiad tasks.

Keywords:

Chemistry olympiad, subject and meta-subject educational results, chemical research methodology, regulatory universal learning abilities.


Extracurricular Activities

On the concept foundations of innovative extracurricular activities

Authors:

D. S.. Adress: Tver. Workplace: Secondary School № 43.

M. S.. Adress: St. Petersburg. Workplace: The Herzen State Pedagogical University of Russia.

Summary

This article discusses the theoretical and methodological foundations of the concept of students’ innovative extracurricular activities in chemistry. This concept is a complete system of interrelated components that are scientifically justified and confirmed by educational practice and ensure the formation of students’ cognitive interest in the subject “Chemistry” as well as achieving the quality of personally significant valuable, meta-subject and subject results.

Keywords:

Innovative extracurricular activities of students in chemistry, methodological approaches, didactic principles, cognitive interest, quality of personal valuable results, quality of meta-subject results, quality of subject results.


Extracurricular Activities

Organization of career guidance using subject knowledge

Authors:

A. V.. Adress: Kaluga. Workplace: Secondary School № 22.

S. O.. Adress: Kaluga. Workplace: Kaluga State University named after K. E. Tsiolkovsky.

Summary

The content of the subject “Chemistry” is discussed as one of the foundations of career guidance in grades 10-11. The scenario of an extracurricular event is suggested to reveal the potential of a specific subject material in the formation of a school student’s personal position to the choice of a future profession.

Keywords:

Subject knowledge and skills, career guidance, job interview, professional skills, case studies, chemical experiment.


Extracurricular Activities

Studying the properties of silver nanoparticles colloidal solutions

Authors:

G. M.. Adress: Moscow. Workplace: Secondary School № 2033.

E. B.. Adress: Moscow. Workplace: Moscow State Pedagogical University.

Summary

The article describes the technique of carrying out an interdisciplinary students’ research project on synthesis and study of physical and chemical properties and biological activity of silver nanoparticles colloidal solution is suggested. The experimental part of the project is easy to perform, it can be recommended to 8th-graders or high school students who had no previous experience of project activity in the field of natural sciences.

Keywords:

Students’ project, silver nanoparticles, colloid, redox reactions, Tindal effect, biological activity of silver.


Extracurricular Activities

Intellectual game “Halogens and their compounds”

Authors:

N. V.. Adress: Moscow. Workplace: Secondary School № 1246.

Summary

The scenario of an intellectual game aimed at generalizing and expanding students’ knowledge about halogens and their compounds in, as well as at developing interdisciplinary connections is offered,. The game can be used both in the lesson and in extracurricular activities.

Keywords:

Extracurricular activity, intellectual game, halogens and their compounds.