Secondary education and schools

Turgenev Ivan Sergeevich, whose stories, novels and novels are known and loved by many today, was born on October 28, 1818 in the city of Orel, into an old noble family. Ivan was the second son of Varvara Petrovna Turgeneva (nee Lutovinova) and Sergei Nikolaevich Turgenev. Last modified: 2025-01-23 12:01

The article is about electricity. The traditional and alternative sources of this energy, as well as the means of transmission and its consumers are considered. Last modified: 2025-01-23 12:01

California is a peninsula located in the western part of the North American mainland. It is narrow and long, the length of this part of the land is 1200 km. In the widest places it diverges by 240 km. The area of the peninsula is about 144 thousand km2. Geographically belongs to Mexico, it has two states - Northern and Southern California. Last modified: 2025-01-23 12:01

The article discusses the main types of friction in mechanical processes, outlines ways to determine the friction forces. Features of the friction forces during the movement of bodies in various media allow us to solve the problems of studying phenomena. Last modified: 2025-01-23 12:01

Every student knows that when there is contact between two solid surfaces, the so-called friction force arises. In this article, we will consider what it is, focusing on the point of application of the friction force. Last modified: 2025-01-23 12:01

Let's analyze different types of friction, reveal their distinctive and similar features. Let us give examples of the use of friction in nature and technology. Last modified: 2025-01-23 12:01

One of the most common types of movement of objects in space, which a person encounters every day, is uniformly accelerated rectilinear motion. In the 9th grade of general education schools in the course of physics, this type of movement is studied in detail. Consider it in the article. Last modified: 2025-01-23 12:01

Each of us threw stones into the sky and watched the trajectory of their fall. This is the most common example of the motion of a rigid body in the field of gravitational forces of our planet. In this article, we consider formulas that can be useful for solving problems on the free movement of a body thrown to the horizon at an angle. Last modified: 2025-01-23 12:01

Rotation around an axis or around a point of various objects is one of the important types of movement in technology and in nature, which is studied in the course of physics. The dynamics of rotation, in contrast to the dynamics of linear motion, operates with the concept of the moment of one or another physical quantity. This article is devoted to the question of what is the moment of forces. Last modified: 2025-01-23 12:01

John Moses Browning, an American engineer, rightfully takes his rightful place among such great gunsmiths as Kalashnikov, Makarov, Nagant and many others. He is called a revolutionary among the creators of military equipment. This article will cover interesting facts about John Moses Browning, his life and professional career. Last modified: 2025-01-23 12:01

The aggregate state of matter, in which the kinetic energy of particles far exceeds their potential energy of interaction, is called gas. The physics of such substances is beginning to be considered in high school. The key issue in the mathematical description of this fluid substance is the equation of state for an ideal gas. We will study it in detail in the article. Last modified: 2025-01-23 12:01

Countries of the East. Japan. Sounds bewitching. History, the beauty of nature, the isolation of the country and the courage of people cannot leave even the most indifferent person indifferent. More than one and a half thousand years of history, full of feudal wars, aggressive foreign policy and a strong connection with the Celestial Empire in certain periods of development. The only empire in the world. This is such a multifaceted country. Japan - the embodiment of technological modernity and a mysterious past. Last modified: 2025-01-23 12:01

The article tells about the history of the national symbols of the Philippines, the symbolism of the modern coat of arms and flag of the country. Last modified: 2025-01-23 12:01

Small, but cozy, with a magical nature, the state. The tropical atmosphere evokes an adventurous mood and is reminiscent of the famous fairy tale "Mowgli". Last modified: 2025-01-23 12:01

Each of us, even if only in pictures, has seen frogs and lizards, crocodiles and toads - these animals belong to the classes Amphibians and Reptiles. But how to distinguish who is who? What is the difference between amphibians and reptiles and how significant are these differences?. Last modified: 2025-01-23 12:01

In the article you will get acquainted with the possibilities that Excel provides for raising any number to any power. Last modified: 2025-01-23 12:01

Who doesn't love fairy tales? They teach and give hope. And in fairy tales there are main characters. They, as a rule, own various wisdoms, but not scientific, but magical. They are called sorcerers. This is our object of study. Consider the meaning and synonyms of the word. Last modified: 2025-01-23 12:01

What are systems of linear algebraic equations? How to solve them using the Gauss and Cramer method? Examples and description. Last modified: 2025-01-23 12:01

If you wondered what gypsum is, you should know that it is a mineral belonging to the class of sulfates. What is this material?. Last modified: 2025-01-23 12:01

Should I give my child an abacus? Which abacus for a child to choose? What allow you to develop ordinary wooden abacus? How to use them correctly?. Last modified: 2025-01-23 12:01

Seaweed is the oldest plant on earth. Scientists believe that their age is more than one thousand million years. Let's plunge into the world of these unique plants and learn interesting facts about them, find out how algae reproduce and how they can be useful. Last modified: 2025-01-23 12:01

Whatever one may say, but mathematics is a complex science. It is difficult for children to perceive even the most elementary knowledge. When it comes to first-graders who begin to comprehend the basics of this science, the correct presentation of information in the classroom is important. Last modified: 2025-01-23 12:01

People have always been interested in the unknown expanses of space. Studies of other planets have attracted many scientists, and the common man is interested in the question of what is there in space? First of all, scientists pay attention to the planets of the solar system. Since they are closest to the Earth and are easier to study. The mysterious red planet, Mars, is being studied especially actively. Let's find out which planet is larger - Mars or Earth, and try to understand why the red celestial body attracts us so much. Last modified: 2025-01-23 12:01

The atmosphere is what makes life possible on Earth. We get the very first information and facts about the atmosphere in elementary school. In high school, we are already more familiar with this concept in geography lessons. Last modified: 2025-06-01 07:06

It's hard for us to imagine the size of the cosmos. It is unimaginably huge, and there is an assumption that it is simply endless. So far, only guessing about what is happening outside our Galaxy, humanity begins to study outer space from those planets that are nearby. Last modified: 2025-01-23 12:01

Water is the most common substance in the world. It is part of every living cell, so it is of great importance for maintaining life on Earth. We know a lot about water, but still have not revealed all its mysteries. Last modified: 2025-01-23 12:01

Brazil is a huge country, most of which is in the tropics. The climate in some of its regions is very diverse, but mostly hot. Let's look at the features of the weather and find out how the climate in Brazil changes by months. Last modified: 2025-06-01 07:06

Everyone has heard the word adventurer at least once. But not everyone understands it. What character trait is adventurism? Adventurer - who is it? These questions are very interesting, so let's figure out what qualities such individuals have, and whether they are useful to a person. Last modified: 2025-01-23 12:01

We all know the names of the four oceans that wash the shores of the continents. This knowledge is given to us by the science of geography even at school age. The Pacific Ocean, the Atlantic, the Indian and the Arctic - these are the largest water areas of our planet. The largest of them is the Pacific Ocean, which is sometimes also called the Great. Last modified: 2025-01-23 12:01

Internet users have to deal with the concept of "link" every day. Everyone interprets its meaning differently. In this article, we will explain what a link is, what it is used for. Last modified: 2025-01-23 12:01

Inequalities and systems of inequalities is one of the topics that is taught in high school algebra. In terms of difficulty, it is not the most difficult, because it has simple rules (about them a little later). As a rule, schoolchildren learn the solution of systems of inequalities quite easily. This is also due to the fact that teachers simply "train" their students on this topic. Last modified: 2025-01-23 12:01

This article is about wood lathes. It tells about their structure, purpose, types and application in educational institutions. Last modified: 2025-01-23 12:01

With the development of information technology, the concept of information literacy becomes extremely important. About what it is, how it affects the life of an individual and society as a whole, read further in the article. Last modified: 2025-01-23 12:01

The true value of the measured physical quantity cannot be known in the vast majority of cases. The reason for this is the imperfection of measuring instruments and human organs of perception. There is another factor influencing the measurement result that can be calculated and therefore eliminated - this is the error. About what is a random error - later in the article. Last modified: 2025-01-23 12:01

Literature as the art of the word is one of the most important arts in the history of mankind. With its help, a person can learn a lot of new things, experience not his own adventures and become a little closer to unraveling important secrets. Why does literature have such power and can it be called art? Let's try to figure it out. Last modified: 2025-01-23 12:01

Iceberg is a huge mass of ice that slides from a continent or island into the waters of the ocean or breaks off the coast. Their existence was first reliably explained by M. Lomonosov. Last modified: 2025-01-23 12:01

What is the name of the capital of Malaysia? Why is she interesting? You will find answers to these and other exciting questions in our article. The Federation of Malaysia is located in Southeast Asia and covers an area of more than 32 thousand km². The geographical feature is that this state consists of two parts: western (Malaya) and eastern Malaysia (Sabah and Sarawak). Between these parts is the South China Sea. Last modified: 2025-01-23 12:01

How to independently deduce the aquarist's rule? "The World Around", Grade 3 (Vakhrushev A. A.) - a textbook that gives the concept of an aquarium as an ecosystem. With this information, children can understand how and why to care for the aquarium. Last modified: 2025-01-23 12:01

Small volumes of liquids are often measured in milliliters. On the one hand, this is convenient, since when writing data it allows you not to overload the texts with extra zeros after the decimal point. On the other hand, not everyone remembers how many milliliters are in a liter. This article will refresh the reader's knowledge and provide illustrative examples of translation. Last modified: 2025-01-23 12:01

What is courage? This question is primarily of concern to boys, since it is a cornerstone in the problem of their self-identification. A man must be brave - this is the first quality that first comes to mind when we think about the strong half of humanity. Last modified: 2025-01-23 12:01