With the division of mathematics into algebra and geometry, the educational material becomes more difficult. New figures and their special cases appear. In order to understand the material well, it is necessary to study the concepts, properties of objects and related theorems. Last modified: 2025-06-01 07:06
Secondary education and schools
When studying stereometry, one of the main topics is "Cylinder". The lateral surface area is considered, if not the main, then an important formula in solving geometric problems. However, it is important to remember the definitions that will help you navigate the examples and when proving various theorems. Last modified: 2025-06-01 07:06
Every student knows that the square of the hypotenuse is always equal to the sum of the legs, each of which is squared. This statement is called the Pythagorean theorem. It is one of the most famous theorems of trigonometry and mathematics in general. Let's consider it in more detail. Last modified: 2025-01-23 12:01
Gymnosperms are the most ancient seed plants of our planet. They played an important role in the development of wildlife and continue to occupy a significant position in the life of the Earth. The well-known spruce, pine, fir, thuja, yew or larch and the little-known velvichia, saga or ginkgo are all representatives of the group called "Gymnosperms". We will consider their structure and reproduction later in the article. Last modified: 2025-01-23 12:01
The most important element in the design of the aircraft is the fuselage. In this short article, we will figure out what a fuselage is, how it works and what it is intended for. Last modified: 2025-01-23 12:01
Bermuda or Bermuda is an overseas territory of Great Britain, which is located in the northwestern part of the Atlantic Ocean and is a large archipelago. Today we will get acquainted with the history of Bermuda and figure out what they are in terms of geography, economy and tourism. Last modified: 2025-01-23 12:01
The second step in the implementation of genetic information is the synthesis of a protein molecule based on messenger RNA (translation). However, unlike transcription, a nucleotide sequence cannot be translated into an amino acid directly, since these compounds have a different chemical nature. Therefore, translation requires an intermediary in the form of tRNA, the function of which is to translate the genetic code into the "language" of amino acids. Last modified: 2025-01-23 12:01
Gastrula is the embryo of multicellular animals. It is at this stage of development that layers of cells arise, giving rise to the future organs of a new creature. Each class of animals has its own characteristics of gastrulation. How was this phenomenon discovered and what can it tell us about the future of the embryo?. Last modified: 2025-01-23 12:01
If you're wondering when to use the word "brain" in the singular and when it should be plural, read this article. We have selected a number of phraseological units with both forms of the word, and also identified the main meanings of the concepts "brain" and "brains". Last modified: 2025-01-23 12:01
A group of hydrocarbons called alkanes react with a small amount of substances. Alkanes react best with halogens. But they are also characterized by reactions with some oxides and acids. Substances derived from alkanes are used in many industries. Last modified: 2025-06-01 07:06
TCM is a set of educational, methodological, regulatory documentation, control and training tools that are needed to ensure the quality implementation of basic and additional programs. After the development of the educational and methodological complex, it is tested in educational activities. If necessary, adjustments are made to the TMC of the Federal State Educational Standard. Last modified: 2025-01-23 12:01
Learning is a process that is important for both the student and the parents. The article describes the main teaching methods and techniques, as well as the criteria for the readiness of the child in school. Last modified: 2025-01-23 12:01
The rules of conduct at the table were known during the existence of Ancient Egypt. Those people who used cutlery were considered well-mannered and educated. That is why the Egyptians tried to instill the skills of handling cutlery in their children from early childhood. Last modified: 2025-01-23 12:01
The ability to understand topographic plans and maps is an important skill that can be useful in life. The article will tell about the main types of conditional topographic signs and the scale in which they are applied. Last modified: 2025-01-23 12:01
The Ministry of Education constantly pleases teachers, students and parents with various innovations. One of the latest was the need to compile a portfolio of a primary school student. But what is it, what should it consist of, and why do it at all? Let's try to deal with the problem in the current article. Last modified: 2025-01-23 12:01
Good, hot, cheerful folk holiday Maslenitsa. Try to introduce the children at school to pagan holidays in Russia. One of the brightest and most delicious is Maslenitsa. We offer exemplary Shrovetide scenarios for elementary grades. Last modified: 2025-01-23 12:01
The world is arranged in such a way that the solution of a large number of problems comes down to calculating the roots of a quadratic equation. We suggest that you familiarize yourself with the main laws of solving such equations and study their varieties. Last modified: 2025-01-23 12:01
The structure of educational activity is one of the most important issues of modern pedagogy. Several chapters of this article present the points of view of the most prominent educators and psychologists who de alt with this topic. Last modified: 2025-01-23 12:01
Despite the change in school curricula and textbooks, one of the most important educational and general educational tasks of preparing the younger generation is the formation of a culture of problematic activity in children. Last modified: 2025-01-23 12:01
What are the technical teaching aids used in modern educational institutions? Let's analyze their features, classification, the possibility of influencing the educational process. Last modified: 2025-01-23 12:01
Normal life of an organism is possible only under the condition of continuous intake of nutrients and removal of end products of transformation. From our article you will learn how metabolic processes occur in individuals of different species. Last modified: 2025-01-23 12:01
Greed is not a vice, but a natural desire of a person to ensure a comfortable life for himself and his loved ones. But because of the specific manifestations of hoarding in society, a lot of condemning concepts and corresponding expressions have arisen. "The lion's share" - only a large part or is the phraseological unit interpreted more broadly? How has it changed over the millennia? Read the article to find out. Last modified: 2025-01-23 12:01
A person should not sleep all the time, otherwise nothing in this life will have time. But not everyone will be able to get up with the first rays of the sun. How to be? To do this, a wake-up call was invented: a long list of options with which you can wake up the most lazy ones. Read the article for details. Last modified: 2025-01-23 12:01
The world is gradually changing. Those things that used to be widely used by people are losing their relevance. That is, they become archaic. This article talks about the adjective "archaic". Its interpretation is revealed, examples of sentences and synonyms are given. Last modified: 2025-01-23 12:01
The article reveals the meaning of the word "bottom". This speech unit has several interpretations. It can be used both literally and figuratively. The information is reinforced with example sentences. Phraseological units with the word "bottom" are also indicated. Last modified: 2025-01-23 12:01
Properly organized mass sports work allows you to introduce physical education into the daily lives of children and adults. A variety of championships, sports days, as well as tournaments and championships contribute to the organicity of this process. Last modified: 2025-01-23 12:01
From Moscow you can easily get to any major city in the European part of Russia. Volgograd is no exception. The distance from Moscow is almost 1000 kilometers. It can be overcome in many ways - road, air, rail. Last modified: 2025-01-23 12:01
Schoolchildren (they are also students) today are actively exercising their right to participate in the management of their alma mater. Even the Federal Law fixes this in a separate article. And if students take the initiative and intend to exercise their right, the school administration must do everything possible to make this happen in practice. Last modified: 2025-01-23 12:01
Discussion is a word of Latin origin. It is firmly entrenched in the Russian language. But his interpretation is not familiar to everyone. This article describes the lexical meaning of the noun "discussion" and how it can be used in speech. Synonyms are given. Last modified: 2025-01-23 12:01
The article tells about the lexical meaning of the word "old". This is an adjective, which is used in a short form. It most often performs the syntactic function of the nominal part of the compound predicate. The word "old" has several meanings. Last modified: 2025-01-23 12:01
Contemporaries are constantly busy: solving work issues on the run, dealing with family problems, planning vacations with the help of advertising booklets. But as soon as something interesting happens, everyone immediately turns into onlookers: they forget about business and watch the free performance with interest. What is hidden behind the capacious term? Read the article to find out. Last modified: 2025-01-23 12:01
School classes cause boredom for some students, because the need to memorize formulas, to give up everything interesting for the sake of knowledge is unacceptable for the younger generation. But familiarity with the octagon can rekindle sincere interest. Where is a conspicuous figure used in real life and why? The article will tell you all the details. Last modified: 2025-01-23 12:01
Each person seeks to assert his own opinion over the rest. And such attempts to achieve universal recognition are not always peaceful. Therefore, many concepts have arisen to describe crisis situations. And the word "de-escalation" describes in detail the final stage of any swara. How? Find out the details in the article. Last modified: 2025-01-23 12:01
Some truths are so obvious that there is no point in proving them. That is, they are considered undeniable. This article indicates the interpretation of the adjective "indisputable". Examples of proposals are given. Synonyms are given. Last modified: 2025-01-23 12:01
Proteins, vitamins, mineral s alts… This is not a complete list of useful substances that contain pea seeds. And hay, silage and green mass of this plant have valuable fodder properties. The high yield of this crop is largely due to the peculiarities of the pea root system. Last modified: 2025-01-23 12:01
In everyday life, we often hear the word "route", but what it means and what language it came from, probably not everyone knows. Moreover, this word is the root for some other words and is actively used by the media. Last modified: 2025-01-23 12:01
The problem of activating the cognitive interest of students is still relevant. L. S. Vygotsky speaks of the intensive development of intelligence in primary school age with the help of group forms. All this is necessary for the successful development of children in the middle and senior levels of schooling. Last modified: 2025-01-23 12:01
What is a tabor? Most often, this word is associated with a gypsy camp or with a group of gypsies who live somewhere. However, if you look at the world map and in the dictionaries of terms, then the term "tabor" denoted both military units and settlements. Last modified: 2025-01-23 12:01
Huge pyramids, snow-white sand, warm sea, fabulous vacation… These are the associations that arise at the mention of Egypt. In terms of area, the country ranks only 29th in the world. But this does not affect the diversity of natural and climatic conditions of this amazing state with a rich history. Last modified: 2025-01-23 12:01
The word "bar" we often hear in everyday life. It is often used in the media and can have different meanings. Bar can be a surname, a place name, part of a compound name, or a term in the natural sciences. Last modified: 2025-01-23 12:01