Secondary education and schools

The article tells about what spinning is, how ancient people spun, how the first spinning tools - the spindle and whorl - were improved - when and by whom the first spinning machines were invented and, finally, what evolution they have undergone to our time. Last modified: 2025-01-23 12:01

"What is an ignoramus?" - this question is often heard. Readily explain the meaning of the word and give examples. Last modified: 2025-01-23 12:01

Finally ended the first quarter of the next academic year. Autumn holidays are coming!!! A prospect that cannot but rejoice. However, many students are faced with a really serious problem. - What to do with yourself in these seven days? How to spend time so that the charge and positive emotions last for a long time, at best until the New Year?. Last modified: 2025-01-23 12:01

What birds can be found on the coast of the Arctic Ocean? What mammals, cetaceans and fish live in the Arctic Ocean?. Last modified: 2025-01-23 12:01

Today, there are many techniques for working with paper. Some of them were created many centuries ago, others are forgotten and are experiencing a rebirth, and still others have gained popularity recently. However, each of them teaches how to create unusually beautiful things, having only this material at hand. Further in the article we will consider the types of techniques for working with paper. Last modified: 2025-01-23 12:01

Under the caress of a plush plaid, yesterday I evoke a dream… When you hear the word "plaid", you probably imagine the warmth and comfort of a home. This pleasant association explains the popularity of the plaid - it is often used instead of a blanket or bedspread. It's so nice after a hard day filled with hustle and bustle and problems to relax, hiding behind it. Last modified: 2025-01-23 12:01

Alpinism is flourishing in the Republic of Kazakhstan, tourism indicators are growing. All this is due to the mountains that are located here. This region is not only indescribably beautiful, but also a paradise for true connoisseurs of heights. What mountains are popular in Kazakhstan? Almost all. Last modified: 2025-01-23 12:01

The structure of sphagnum, features of external and internal organization. Varieties of peat mosses, areas of distribution and importance in human life. Special properties of sphagnum mosses. Last modified: 2025-01-23 12:01

Soot is a word that leaves our everyday vocabulary, because there are no stoves and chimney sweeps. In general, the world has changed. Today we will analyze the meaning of a noun and the meaning of a phraseological unit directly related to it. Last modified: 2025-01-23 12:01

In this article we will look at the 10 most global problems - how they affect humanity and what will happen if they are not solved. What are global problems, what is "global"? You will find answers to these questions in this article. Last modified: 2025-01-23 12:01

The city of Rudny (Kazakhstan) is the brainchild of the Soviet Union. In 1955, according to the decision of the Meeting of Ministers of the USSR in Kazakhstan, the construction of a mining and processing plant began on the basis of the Sokolovsky and Sarbaisky deposits of magnetite ore. Enthusiasts came from all over the country on Komsomol vouchers to build the most powerful enterprise in the USSR. Last modified: 2025-01-23 12:01

Let's analyze the main methods of obtaining hydrogen sulfide in the laboratory, in industrial quantities. Let's highlight the main areas of application of this inorganic substance. Last modified: 2025-01-23 12:01

Recently, it has become fashionable for some politicians to use the foreign term "region" instead of such understandable words as "district", "krai", "region". On the one hand, it is clear that the speaker means a certain part of the territory, and on the other hand, it is not entirely clear where its boundaries end. Let's take an area for example. Is it a region or not? And the area? Can it be called a region? It's time to finally deal with this issue. Last modified: 2025-01-23 12:01

A good conversationalist is a rare occurrence. There is a misconception that the tongue is perfectly suspended only in the stupid, the sage, on the contrary, is silent. Such a point of view somehow compromises the public lectures beloved by the people, which have now gained unprecedented popularity. And smart people read them. And most importantly, they find in their listeners a kind of interlocutor. We will talk about the last word today. Last modified: 2025-01-23 12:01

In the modern world, there are not so few unrecognized or partially recognized states. Transnistria is one of them. It is a tiny country with an undetermined status, located in the southeastern part of Europe. Last modified: 2025-01-23 12:01

The structure of our planet, the location of countries and continents on it has attracted the attention of people since ancient times. And today, such a science as geography is popular not only among adults, but also among schoolchildren. There are many interesting geographical puzzles designed to instill in children an interest in geography and develop logical thinking. By the way, many of them will be of interest to an adult inquisitive person. Last modified: 2025-01-23 12:01

Everyone who has ever read the fairy tales of Korney Chukovsky remembers the phrase: "On the wide Limpopo, where the hippo walks…" The word "limpopo" is associated with a fairy tale for many. It seems to be something that doesn't exist. But in fact, the Limpopo River is very real. Last modified: 2025-01-23 12:01

Seismic belts of the Earth are zones in which the lithospheric plates that make up our planet come into contact with each other. The main characteristic of such areas is increased mobility, which can be expressed in frequent earthquakes, as well as the presence of active volcanoes. Last modified: 2025-01-23 12:01

Africa is the second largest continent in the world after Eurasia, its territory is 29 million square meters. km, which is approximately 20.4% of the total land mass of the Earth. Most of the features of this continent, such as flora, fauna and climate, are due to its geographical position. Last modified: 2025-01-23 12:01

How often something great seems simple because it doesn't tend to catch the eye. And only time shows how brilliant this or that composition is. For the third century now, Vladimir Odoevsky's fairy tale "Moroz Ivanovich" has been passed from mouth to mouth, and this is already a lot. Last modified: 2025-01-23 12:01

Modern science divides all nature into living and non-living. At first glance, this division may seem simple, but sometimes it is quite difficult to decide whether a certain object of nature is really alive or not. Everyone knows that the main properties of living things are growth and reproduction. Most scientists use seven life processes or signs of living organisms that distinguish them from inanimate nature. Last modified: 2025-01-23 12:01

Volga is one of the most important rivers in the world. It carries its waters through the European part of Russia and flows into the Caspian Sea. The industrial significance of the river is great, 8 hydroelectric power stations have been built on it, navigation and fishing are well developed. In the 1980s, a bridge was built across the Volga, which is considered the longest in Russia. Last modified: 2025-01-23 12:01

Each planet in the solar system is unique, has a certain mass, diameter, trajectory and other parameters. One of the most important indicators is the orbital speed - an indicator showing how fast the planet moves in its orbit around the Sun. Last modified: 2025-01-23 12:01

On the territory of Russia there are a lot of places of unique beauty, the Valdai Territory is one of such beautiful places, famous for its beautiful nature and centuries-old history. Last modified: 2025-01-23 12:01

What types of folding are there? What is Cenozoic? What is remarkable about the Cenozoic era? What is called Cenozoic folding?. Last modified: 2025-01-23 12:01

The Gulf of Finland, into which the Neva flows, is located in the eastern part of the B altic Sea. The bay washes the shores of Finland, Russia and Estonia. Cities such as St. Petersburg, Helsinki, Kotka and Tallinn, located along the coast of the Gulf of Finland, are connected by ferry service. They are a cultural and historical community. It is impossible not to mention the Gulf of Finland when answering the question of where the Neva River flows into, since these two reservoirs are extremely important for the entire north-west of Russia. Last modified: 2025-01-23 12:01

There is a certain word in the Russian language, which is used to call people who have somehow distinguished themselves in their work. This is "professional". But what is the meaning of this word? And is it worth being offended when a person, his friends or acquaintances are identified as a professional?. Last modified: 2025-01-23 12:01

The article will talk about a holiday for any peasant in the old days - haymaking. It tells about how this process went, about the order of work and the importance of haymaking for a simple Russian peasant of that time. Last modified: 2025-01-23 12:01

The article briefly describes the structure, composition and types of ecosystems. Showing examples and talking about what an artificial ecosystem is. Last modified: 2025-01-23 12:01

Tissue is a collection of structurally similar cells that are united by common functions. Almost all multicellular organisms are composed of different types of tissues. In animals and humans, the following types are present in the body: epithelial, nervous, connective, muscle. Last modified: 2025-01-23 12:01

Education has always had a special meaning for Russians. Literacy in the country has always been at a high level. Education in the Soviet school, although it was standard, was very high in quality. Secondary education in Russia is changing. Where it leads?. Last modified: 2025-01-23 12:01

Briefly about who jesters are, we will tell in this article. And also - why they are "pea", how they are associated with executioners, bankrupts and evil spirits. Few people know how they differ from clowns, and how one of the representatives of the profession became an inspiration for future generations of patriots. Last modified: 2025-01-23 12:01

In geometry, two important characteristics are used to study figures: the lengths of the sides and the angles between them. In the case of spatial figures, dihedral angles are added to these characteristics. Consider what it is, and also describe the method for determining these angles using the example of a pyramid. Last modified: 2025-01-23 12:01

Typical linear parameters of any pyramid are the lengths of the sides of its base, height, side edges and apothems. Nevertheless, there is another characteristic that is associated with the noted parameters - this is the dihedral angle. Consider in the article what it is and how to find it. Last modified: 2025-01-23 12:01

These geometric shapes surround us everywhere. Convex polygons can be natural, such as a honeycomb, or artificial (man-made). These figures are used in the production of various types of coatings, in painting, architecture, decorations, etc. Convex polygons have the property that all their points are on the same side of a straight line that passes through a pair of adjacent vertices of this geometric figure. There are other definitions. Last modified: 2025-06-01 07:06

Do you want to improve your literacy and education, and also, on occasion, show off interesting information to friends, relatives or acquaintances? Then read the article about what is the kitchen, discover a lot of fascinating information about this word. Last modified: 2025-01-23 12:01

Thanks to the knowledge of the distributive properties of multiplication and addition, it is possible to verbally solve seemingly complex examples. This rule is studied in algebra lessons in grade 7. Tasks using this rule are found at the OGE and the USE in mathematics. Last modified: 2025-06-01 07:06

The cabbage white butterfly is quite large in size. Males reach 55 mm, females are slightly larger - up to 60 mm in wingspan. Last modified: 2025-01-23 12:01

Sometimes they say that it is punishable. There are people who have this quality in excess, there are others who have a lack. For those and for others, we will analyze the noun "initiative", this is our object of study today. And the reader will conclude how right or, conversely, wrong to be proactive. Last modified: 2025-01-23 12:01

Studying geography and topography, we are faced with such a concept as terrain. What is this term and what is it used for? In this article, we will understand the meaning of this word, find out what types and forms of reliefs are, and much more. Last modified: 2025-01-23 12:01