Secondary education and schools 2024, November

What is elastic and inelastic impact

Problems of physics, in which bodies moving and hitting each other, require knowledge of the laws of conservation of momentum and energy, as well as an understanding of the specifics of the interaction itself. This article provides theoretical information about elastic and inelastic impacts and provides special cases of solving problems

How to quickly write a sentence with the word "machine"

What is an automaton, does this word have the same meaning and how to make good, non-trivial sentences with it?

The art of making sentences with the word "art"

Make sentences with the word "art" - what could be easier? But when you want to be unbanal and earn the praise of a teacher, all the words disappear somewhere

Gravity: formula, definition

From childhood, we know something about the attraction of bodies and objects to the Earth, about Isaac Newton, an apple and a head

The world of artistic culture of the Renaissance: principles and ideals

The world of the artistic culture of the Renaissance is, first of all, the world of renewal of a person of that era, his ideas about himself and the world around him

Benguela current: description and features

The Benguela Current is a cold water mass circulating off the western coast of Africa in the Atlantic Ocean. It washes the western part of the mainland, coming from the south and rushing to the north, then to the northwest. The current is a movement that continues the flow of the West Winds and turns into the South Tradewind. Water circulation begins south of the Cape of Good Hope. Ends at the coast of the Namib Desert, which is located in the western part of Africa

Introductory words and appeal: rule and examples

Introductory words and addresses are marked with punctuation marks. Every student knows this. But if punctuation errors are rare in writing sentences in which there is an appeal, then the situation is more complicated with introductory words. In order to understand this issue, you should remember the rules

The origin of the word "forty". And here is a bird?

Even in elementary school, we are taught to count by tens. We are all familiar with these numerals from childhood, we use them daily without hesitation. But how many have noticed that one of the numbers stands out from the general series? Has anyone ever wondered the origin of the word "forty"?

Man - what is it? Different meanings of the word

What connects a huge snake, a dead sorcerer, the progenitor of mankind, the size of the volume, a park in Peru? And also a male name, the Academy of Sciences and the airport in Novosibirsk? They all have similar names - Man, Manu, MAN. Let's understand the history and definitions of this unusual word for modern hearing

History of Cherepovets: historical facts and legends about the city

Cherepovets is rightfully considered a major city of the Vologda Oblast. It is a city of metallurgists and industrialists. It would seem that it was created to become one of the urban centers of Russia. However, the history of Cherepovets did not begin as prosaically as it seems at first glance

What is eros? The meaning and interpretation of the word

There is no single answer to the question of what eros is. Someone sees tender sensual love in this word, others look for a vulgar subtext in it, others turn their gaze to ancient Greek mythology. And in fact, everyone is right. Let's try together to understand the definitions of this word, how its meaning has changed throughout history and what is considered eros today

How did the joke develop historically? What is Pushkin's anecdote, political and "bearded"

What is a joke in the literary sense, and what jokes did Pushkin tell? How to study the history of Russia using political jokes, and when does a joke grow a “beard”? Let's try to consider these questions

The capital of Yugoslavia is Belgrade

In place of the collapsed Yugoslavia now there are 6 independent states. Each of them has its own "main" city. Belgrade - the capital of Yugoslavia until the collapse of this state

What is statics: theorems and axioms

The whole world consists of the movement of any bodies, including people. It obeys various laws of physics that study its regularities. The science that studies the movement of a body is called mechanics. In turn, it is divided into sections, one of which is statics. For the most part, it is aimed at revealing the patterns of the equilibrium state of bodies

Analysis of Bunin's story "The Caucasus": system of images, landscape

One of the works included in the cycle "Dark Alleys" by I. Bunin is "The Caucasus". This story is a vivid example of the extraordinary artistic gift of the writer. It is amazing how in such a small work, the author was able to convey the inner world and state of mind of completely different people. You can learn the true mastery of the Russian artistic word by analyzing Bunin's story "The Caucasus" or any other creation from this collection

Description, location, economic development, population of Iraq. Acquaintance with the state of the Middle East

The Republic of Iraq is a state in Southwest Asia. Its area is more than 435 sq. km. The population of Iraq is about 36 million people

Antarctic and Arctic desert: soil, soil characteristics and features

The deserts of the Arctic are vast areas covered with glaciers and snow, where extremely sparse vegetation grows. This area is of great interest in cognitive and scientific terms. In the article, the reader will get acquainted with the types and properties of the soils of the Arctic desert

Education of Oblomov and Stolz. The upbringing of Stolz in the novel "Oblomov"

B. G. Belinsky said that it is upbringing that decides the fate of each person. This can be fully attributed to Oblomov Ilya Ilyich and Stolz Andrey Ivanovich - the two main characters of the novel "Oblomov" by I. A. Goncharov. These people, it would seem, come from the same environment, class, time

What are areas of magnetic anomaly: concept and examples

The magnetic field reliably protects the Earth from cosmic radiation and the solar wind, which is capable of destroying the gaseous shell of the Earth. Its existence is explained by the processes occurring inside the planet with an iron core and molten metal surrounding it

Semicolon: the rules of Russian spelling and punctuation over a cup of coffee

The rules of Russian spelling and punctuation are considered one of the most difficult for foreigners to learn. And not every Russian-speaking person can boast that he knows the basics of grammar perfectly and correctly places commas in the text. A punctuation mark such as a semicolon, due to the lack of knowledge of the writer, is often omitted or replaced by a more strict period. Although the rules for using the sign are simple and do not require memorization

The most interesting facts about autumn

Interesting facts about autumn will be useful to all people who are interested in the mysteries of nature. What features does the season have, what to tell children about it?

Mineral sulfur: description, properties, application and photo

Sulfur is an element of D. I. Mendeleev's periodic system, its atomic number is sixteen. It has non-metallic properties. Denoted by the Latin letter S. The name, presumably, has an Indo-European root - “burn”

Sparrow family: photos, representatives, general characteristics

Representatives of the Vorobin family are well known for their attachment to humans. Such organisms are also called synanthropes. In our article you will get acquainted with typical representatives, the features of their organization and life

How did a single state form in Ancient Egypt? Predynastic era

What were the first settlements on the territory of the modern Nile Valley? How and for what purpose was a single state formed? Answers - in the next article

Basket is? How is it different from a shopping cart?

To each of us in childhood, my mother read fairy tales. The heroes of my mother's stories went to the forest for mushrooms, some with a basket, and some with a basket? But are there any differences between these subjects? Let's figure it out together

Habitat for flatworms. Types of flatworms

The type of animal flatworms, which are included in the group of bilaterally symmetrical, is studied by the science of biology. Flatworms (Platyhelminthes) are not the only representatives of this group, more than 90% of animals belong to it, including annelids and roundworms, arthropods, molluscs, etc

Chemical element rubidium: characteristics, properties, compounds

In 1861, with the help of a newly invented method of spectral analysis, a new chemical element, rubidium, was discovered. Then, with the discovery of the periodic law by D. I. Mendeleev in 1869, rubidium, along with other elements, took its place in the table, which brought order to chemical science. Further study of rubidium showed that this element has a number of interesting and valuable properties. We will consider here the most characteristic and important of them

Russian language classes via Skype from Distance-teacher.ru

Teaching Russian through online lessons is not only a great alternative to the usual classes with a tutor

What is a consul in ancient Rome?

In modern politics, a consul is an official who is a representative of his state in another region. This diplomat performs a number of functions to protect the political, economic and legal interests of his country. In this publication, we will talk in detail about what a consul is on the example of Ancient Rome

Where is Burma? Republic of the Union of Myanmar: geography, population, language, religion

Burma is a country in Southeast Asia, which is located on the coast of the Indian Ocean. This state is little known to the inhabitants of our country, since for a long time it was in forced isolation from the entire civilized world. Now the situation is changing in the country for the better, tourists from all over the world are gaining access. Before traveling to a little-known state, it is advisable to get to know the location of Burma, its brief history, sights and features

Putty or putty? What is the difference between putty and putty?

If you think about the question of how to spell putty or putty, then you can use both of these words when writing and using in speech. The difference here is only in the spelling subtleties of the use of names

Junk is the accumulation of junk in the house and resentment in the soul

Old piles of things lay in the room. No one needs transistors, receivers, old holey boots, bundles of old, already yellowed from time, newspapers piled in a row, a broken frame, old tires, non-working irons, empty bottles: this whole sad picture evoked unhappy thoughts: “Why keep all this trash? It collects so much dust." So, in the topic of today's publication, we will consider the meaning of the word "trash"

Climate of the Urals: description of features by region

Between the West Siberian and East European plains stretches a geographic region of Russia called the Urals. It is he who divides the mainland of Eurasia into two conditional parts: Europe and Asia. The area is divided into 5 components: Northern and Southern, Middle, Polar and Subpolar Urals. Sometimes spur regions are distinguished: Pai-Khoi and Mugodzhary. The climate of the Urals will be discussed in this article

How many republics are there in the Russian Federation at the moment?

22 republics are part of the Russian Federation. Each of the republics is unique and inimitable in its own way, and each can tell a lot

Cyclic saturated hydrocarbons: how they are obtained. Cycloalkanes

Let's consider the structural features of cycloalkanes. We will reveal the methods of their production, as well as the features of the physical and chemical structure

How to understand chemistry: learning to think

Today, one can hardly find a person who would not be interested in the question of how to understand chemistry

Churban is not only a tree, but also a person

What is a blockhead? What is the lexical meaning of this word? How many interpretations does this noun have? The article tells about the noun "chump". After reading the article, its interpretation will not raise questions

List of African countries and their features

Africa is the largest continent on the planet, which in terms of size and population ranks second after Eurasia. This part of the world occupies 6% of the Earth's area and more than 20% of the entire land area. The list of African countries consists of 62 units

How to say "calling" or "calling" correctly? Where is the emphasis?

It's good if a person finally wondered how to say correctly, "calling" or "calling". Unfortunately, confusion in stress for words with the root "zvon" exists even among native Russian speakers. Issues of stress, including in derivative forms from the verb "to call", are de alt with by a special section of linguistics - accentology

Material intensity is the inverse of material output

The item of material costs in most cases occupies a leading position in terms of share in the cost structure. If the indicator increases in dynamics, it means that raw materials and materials are used inefficiently, and the company needs to review and adjust the costs of raw materials and materials