Secondary education and schools

Manganese ores are minerals important for the economy and industry. They are a source of numerous minerals. Last modified: 2025-01-23 12:01

There are many subjects on the territory of the Russian Federation, including districts, territories and republics. Each of them plays an important role in the development of the country and has a number of its own characteristics. But there is a key subject. This is the Central Federal District. Last modified: 2025-01-23 12:01

Metals and alloys have entered our lives so closely that sometimes we don't even think about them. As early as 4-3 millennia BC, the first acquaintance of man with nuggets took place. A lot of time has passed since then, and every year metal processing has only improved. A metal such as zinc played a large role in this. Alloys based on it are used in many industries. In this article, we will look at zinc alloys and their role in our lives. Last modified: 2025-01-23 12:01

Brown is a shade of the well-known brown tone. Often people use this concept if it is difficult to explain what shade they see at the moment. At the same time, colors do not always have at least “family ties”. The most uniform shades are presented in the phrases "brown bear" and "brown iron ore". In both cases, approximately the same color is provided. Last modified: 2025-01-23 12:01

Each organ or system in the human body plays a role. However, they are all interconnected. The importance of the nervous system cannot be overestimated. Last modified: 2025-01-23 12:01

Solid substances are those that are able to form bodies and have volume. They differ from liquids and gases in their shape. Solids retain the shape of the body due to the fact that their particles are not able to move freely. They differ in their density, plasticity, electrical conductivity and color. They also have other properties. So, for example, most of these substances melt during heating, acquiring a liquid state of aggregation. Last modified: 2025-01-23 12:01

Many people do not even suspect that in the world now there is not one Republic of China, but two, only one of them has the prefix "people's". But that is not all. In the 20th century, for a short time, there was another Republic of China, but this time the "Soviet" one. Let's try to figure out which one is which. Last modified: 2025-06-01 07:06

What is an organism called and how does it differ from other objects in nature? This concept is understood as a living body, which has a combination of various properties. It is they who distinguish the organism from inanimate matter. Translated from Latin, organismus means “I communicate a slender appearance”, “I arrange”. Last modified: 2025-01-23 12:01

Modern man is surrounded by various metals in his daily life. Most of the items we use contain these chemicals. This all happened because people found a variety of ways to obtain metals. Last modified: 2025-06-01 07:06

What is a bumazea? Story. What does bumazea mean? Its types: severe; bleached; printed; plain dyed; plain with pattern. Features and properties of the fabric. Advantages and disadvantages. Difference between baize, flannel and flannel. Last modified: 2025-01-23 12:01

The school curriculum gives the task of getting acquainted with the theory about the types of oral speech of grade 2 students. In the future, students of philological speci alties study this linguistic problem. This article is about the typology of the sounding form of the language. Last modified: 2025-01-23 12:01

Each of us probably daily deals with printed and handwritten text in a wide variety of forms, whether it is advertising on roadside banners or a receipt with a list of goods in a store. Full of a variety of subtleties and options, it, without underestimation, from the beginning of time helped the formation of society as a whole and its individual representatives in particular. Last modified: 2025-01-23 12:01

The Russian language is very rich in old phraseological units with a distant history. The meaning of the expression "uns alted slurping" is also rooted in ancient Russia. From the 9th to the 16th centuries, s alt was a very rare and valuable seasoning, and it cost a lot. It was considered bad form to let a guest go without feeding him, but it was quite allowed not to s alt the food served. Last modified: 2025-01-23 12:01

Crayfish, or crustaceans - creatures belonging to the kingdom of arthropods. It has about 72,000 species living throughout the Earth. But how do they use walking legs, and how many of them do they have?. Last modified: 2025-01-23 12:01

The article tells the history of the formation of the centuries-old German statehood. In addition, the current state of the German economy and society is described. Last modified: 2025-01-23 12:01

A dispute occurs when one of the opponents runs out of arguments. But the other, having a trump card, is able to extinguish the brewing conflict in the bud. What is this trump card? An indisputable fact against which the opponent will not go. He just can't resist. Last modified: 2025-01-23 12:01

More than 100 islands in the Mediterranean have an area of more than 10 square kilometers. Approximately forty of them have a population of over 10,000 people. Let's take a look at the biggest ones. Last modified: 2025-01-23 12:01

What is tartaric acid? What are the properties of tartaric acid and its s alts? How much should be consumed per day of this compound? In what areas is tartaric acid used?. Last modified: 2025-01-23 12:01

The Moluccas are truly a heavenly place on earth, characterized by the most picturesque nature in all its diversity. The landscapes of the Moluccas Islands stand out for their unique beauty peculiar only to these places: picturesque coves, shallow calm straits, coral reefs, mountain slopes with dense evergreen forests. Last modified: 2025-01-23 12:01

Tissue is a collection of cells united by a similar structure and functions, and intercellular substance. There are many types of them. This article tells about the integumentary tissues of plants and animals: what they are, what are the features of their structure, what are their functions. Last modified: 2025-01-23 12:01

State territory is the share of the total earth's surface that is under the sovereignty of a certain country. It contains land, the bowels of the earth, internal and territorial waters (12 kilometers from the coast), as well as airspace (at the height of aviation flight). Another sign of the state territory is the generally accepted border with other countries. In this article, we will analyze in detail what the state territory of Russia is, and what features distinguish its population. Last modified: 2025-06-01 07:06

Before talking about which river Victoria Falls is located on, let's find out what a waterfall is in principle, let's list the most grandiose ones. And only then we learn about the exact location and coordinates of the main attraction of Africa. Last modified: 2025-01-23 12:01

Translated from Italian brutto - bad, rude. For what purpose is this not entirely pleasant word used in accounting and tax, in transport companies and shipping, lending and insurance? How can one small word with a not very pleasant translation unite all these areas? Gross - what is it?. Last modified: 2025-01-23 12:01

The upbringing of a child is carried out not only by the employees of the educational institution, but also by the family, so it is very important to establish interaction between these spheres of influence. Only in this case the formation, development and education of the child will become full-fledged. Last modified: 2025-01-23 12:01

Conflict situations at school and problems related to the educational process are common. Teachers are not always able to solve such problems due to their workload, and parents do not have enough knowledge in the field of child psychology to competently approach the solution of the problem. Last modified: 2025-01-23 12:01

There are more than 155,000 settlements in our large country, many of which are so small that they do not have their own educational institutions, others have schools, but the number of students is negligible. How to organize the educational process in this situation? Within the framework of this article, we will talk about small-scale schools. Consider the principle of organizing the education and upbringing of children of different age categories, trace the specifics of simultaneous work with children during the lesson. Last modified: 2025-06-01 07:06

Few people know what noise really is and why it needs to be fought. We believe that each of us has come across loud annoying sounds, but no one has thought about how exactly they affect the human body. In this article, we will analyze noise and its varieties. In addition, we will discuss exactly how loud sounds affect our body. Last modified: 2025-01-23 12:01

The first topic in mathematics lessons in elementary school, close to the geometry course in high school, is the types of angles. Why teach them? It is impossible to do without them in high school: you need to be able to distinguish them, apply their names in tasks, etc. Let's take a closer look at all types of angles in this article. Last modified: 2025-01-23 12:01

Residents of the Yakut village of Oymyakon are well aware of what cold is, because in the most severe winters the temperature here drops to -78 °C. It is slightly warmer in Verkhoyansk and Yakutsk, the minimum values of this parameter in these cities are -68 °С and -65 °С. Last modified: 2025-01-23 12:01

Today it seems obvious that a kilogram of sugar in Russia and Africa will be a kilogram of sugar. You will be surprised to learn that just 200 years ago, 1 pood weighed differently even in neighboring provinces. The international SI system, which most countries of the world operate today, has led to a common denominator. But it was not always so. About the history of the introduction of measurement standards and the unified SI system - later in the article. Last modified: 2025-01-23 12:01

How well children master the school curriculum depends on the competent organization of the educational process. In this matter, a variety of forms of lessons come to the aid of the teacher, including non-traditional ones. Last modified: 2025-01-23 12:01

Under the universal learning activities should be understood as a system of ways to study the world around us, to create an independent process of research, search. This is a complex of operations for systematization, processing, generalization and subsequent application of the information received. Last modified: 2025-01-23 12:01

The modern world is conditionally divided into several parts, each of which is characterized by some features. Today, the term "Arab countries" refers to states whose majority of the population speaks Arabic. Last modified: 2025-01-23 12:01

Carbon dioxide is known mainly in its gaseous state, i.e. as carbon dioxide with the simple chemical formula CO2. In this form, it exists under normal conditions - at atmospheric pressure and "normal" temperatures. But at an increased pressure, over 5,850 kPa (such, for example, the pressure at a sea depth of about 600 m), this gas turns into a liquid. And with strong cooling (minus 78.5 ° C), it crystallizes and becomes the so-called dry ice. Last modified: 2025-01-23 12:01

The Kingdom of Denmark is a northern European state, most of which is located on the Jutland peninsula. The capital is the city of Copenhagen. The population is more than 5 million people, the area is 43 thousand km2. sq. Last modified: 2025-01-23 12:01

The northern lights fascinate with their beauty. Our ancestors believed that this extraordinary phenomenon brings a threat and misfortune to a person. Many inhabitants of the northern countries are still convinced that seeing the aurora borealis is a bad sign. Can this phenomenon really cause harm? Or is it just a fantasy of the ancient peoples?. Last modified: 2025-01-23 12:01

The growth of the urban population is one of the most important characteristics of the modern era. Until recently, the largest megacities of the world were located exclusively in the European region and the old civilizations of Asia - China, India and Japan. Last modified: 2025-06-01 07:06

The time difference between Moscow and Sakhalin is 8 hours. Working days in these areas do not coincide. This hinders not only business partnerships, but also interaction with the central government apparatus. Last modified: 2025-01-23 12:01

All parents sooner or later think about where it is better to give the child. The choice is usually small: school, lyceum, gymnasium. It must be taken seriously, because the quality of education of the student and his future depend on the right choice of parents. Last modified: 2025-01-23 12:01

Boiling is the process of changing the aggregate state of a substance. When we talk about water, we mean the change from liquid to vapor. It is important to note that boiling is not evaporation, which can occur even at room temperature. Also, do not confuse with boiling, which is the process of heating water to a certain temperature. Now that we have understood the concepts, we can determine at what temperature water boils. Last modified: 2025-01-23 12:01