Secondary education and schools 2025, January

Among the huge variety of natural substances, amino acids occupy a special place. It is explained by their exceptional importance both in biology and in organic chemistry. The fact is that molecules of simple and complex proteins are composed of amino acids, which are the basis of all forms of life on Earth without exception. Last modified: 2025-01-13 07:01

The biography of Lewis Carroll is no less interesting than his works. The image of this amazing man forever entered the history of literature: an unsociable, withdrawn teacher of mathematics, who composed one of the best fairy tales in the history of mankind. This article is devoted to the life and work of the great Englishman. Last modified: 2025-01-13 07:01

Many people are frightened (especially when it comes to medicine) by the use of technical terms by professionals, the meaning of which they do not understand. In practice, it often turns out that there is nothing to fear, and simple and understandable things are hidden behind frightening terminology. One such term is "council". We will talk about what a "concilium" is, how this word is spelled correctly and when it is used, later in the article. Last modified: 2025-01-13 07:01

How to correctly and quickly calculate the angle of a triangle and not make commonplace mistakes. Different approaches to the solution, suitable for each case. How to use knowledge of the bisector and median correctly, apply the theorems of sines and cosines. Last modified: 2025-01-13 07:01

What are radionuclides and what is their role in the world around us? How do they affect the physical universe? How do they affect living organisms? And for a person? What are radionuclides in terms of biology and medicine? These, as well as a number of other questions, will be considered within the framework of this article. Last modified: 2025-01-13 07:01

Polysemy is polysemy. Some words have only one lexical meaning. They are called unique. But most words in Russian have several meanings. Therefore, they are called multivalued. Last modified: 2025-01-13 07:01

Today in the article we will talk about the problems of the Bronze Horseman. Consider the main characters, analyze the storylines, and also try to understand the main idea of the author. Last modified: 2025-01-13 07:01

"And he is an outstanding personality!" - we often meet this statement in oral and written sources, sometimes without suspecting what is hidden under it. Perhaps a person with outstanding abilities deserves such an assessment in his address. What are the connotations of the concept of "uncommon"? The meaning of this word in various contexts is the topic of the article. Last modified: 2025-01-13 07:01

Everyone who wants to understand biology needs to know what a habitat is. Last modified: 2025-01-13 07:01

Suddenly the door opens and you are caught off guard with a piece of the most delicious cake. Or this example: "Each of us has been in situations of this kind: an unexpected question suddenly takes us by surprise." This is at the wrong time and unpleasant, and there is no person on Earth who could predict or prevent those unpleasant events that would cause such a situation. So, today we will find out, by surprise - what is it?. Last modified: 2025-01-13 07:01

What is the global community? The main global problems of international relations and ways to solve them. Last modified: 2025-01-13 07:01

What is the deeper meaning of the phrase "Life is a movement"? Who is its author? Some quotes and aphorisms of famous people will also be given in the article. Last modified: 2025-01-13 07:01

Humanity has long used simple machines and mechanisms to make physical labor easier and simpler. One of these mechanisms is the lever. What is a lever in physics, what formula is used to describe its equilibrium - these questions are revealed in the article. Last modified: 2025-01-13 07:01

Gymnasium No. 1519 in Moscow has created all the conditions for the comprehensive development of children. There is an excellent educational base and a professional teaching staff. Last modified: 2025-01-13 07:01

The root is the axial organ of the plant. First of all, it fixes the plants in the soil. It also performs the function of "nutrition", and now we are talking about such a part of the root as hairs. That is, the answer to the question of what function the root hairs perform is precisely the absorption from the soil of water and minerals necessary for the full life of the plant. Also, the root system is able to produce various substances, such as growth hormone or various alkaloids, necessary for the whole plant. Last modified: 2025-01-13 07:01

All people from early childhood are familiar with the numbers by which objects are counted. There are only ten of them: from 0 to 9. Therefore, the number system is called decimal. With it, you can write absolutely any number. For thousands of years people have used their fingers to represent numbers. Last modified: 2025-01-13 07:01

In the article the information about ecology, special terms is laid out "on the shelves". Vivid examples of ecosystems, their types and components are given. The material will be useful to the student and interesting to the adult. Last modified: 2025-01-13 07:01

Two days of the Earth year are special. Their difference from others is in the height of the sun above the horizon line at noon. These days (one in winter, the other in summer) are called solstices. What is this period? What changes in the astronomical year is it associated with? Why did people attach so much importance to it in ancient times?. Last modified: 2025-01-13 07:01

Leaving school is a big event for every student. After all, the completion of lessons within the walls of a familiar institution is filled with emotions, experiences and the expectation of the unknown. Wishes to graduates from the class teacher at such an event is very important. That is why the teacher, who stood up for students throughout their studies, should thoroughly prepare for this event. Last modified: 2025-01-13 07:01

In chemistry and physics, atomic orbitals are a function called a wave function that describes the properties characteristic of no more than two electrons in the vicinity of an atomic nucleus or system of nuclei. An orbital is often depicted as a three-dimensional region within which there is a 95 percent chance of finding an electron. Last modified: 2025-01-13 07:01

There are many vegetables in nature. But only a pumpkin can boast of a variety of appearance. It is huge and small, flat and spherical, bumpy and smooth. Often there is a dispute, is a pumpkin a vegetable or a fruit? Read about this and much more in the article. Last modified: 2025-01-13 07:01

In wildlife, there are practically no living organisms that would not eat other creatures or would not be food for someone. So many insects eat plants. The insects themselves are prey for larger creatures. Some organisms are the links that form the food chain. Last modified: 2025-01-13 07:01

Infinity - what is it? It would seem that such a simple word, but how many meanings does it have and what meaning does it carry? What about the infinity sign?. Last modified: 2025-01-13 07:01

The time of preschool childhood is a favorable period for the formation and development of fundamental skills and abilities. During the transition from kindergarten to a school educational institution, a restructuring takes place in the body and psychology of the child. The transition from play to learning activity is associated with the emergence of some difficulties in the child's perception of the learning process itself. Last modified: 2025-01-13 07:01

The bizarre world of amphibians is worth exploring even for those who are not too interested in animals, these creatures are so original. Last modified: 2025-01-13 07:01

Biennale – what language did the word borrow from? Is it feminine, masculine or neuter? Does it need to be tilted? In what year and where was the first such event held? How to understand that this is a biennale, and not an event of a different kind?. Last modified: 2025-01-13 07:01

Croatian sea… What is it like? After all, it's not a secret for anyone that many tourists, having visited the countries of the Adriatic, continue to call it Croatian or Montenegrin, well, at best, the Mediterranean. Why at best? Yes, because the first two simply do not exist. So what is the sea in Croatia?. Last modified: 2025-01-13 07:01

Mysterious and harsh place - the tundra. Everyone knows that this is where the reindeer live and the northern lights shimmer. But what the tundra looks like, few people know for sure. So maybe you should try to find out?. Last modified: 2025-01-13 07:01

Unique creations of nature hide many secrets. The six-limbed animal, the squeaker mosquito, which will be discussed in this article, has an amazing multi-phase life cycle and the ability to feed on more than just blood. Let us consider in more detail the habitat, the structure of the body of the insect and the stages of its development. Last modified: 2025-01-13 07:01

The US is one of the few countries that still uses outdated units of measurement ranging from miles and feet to barrels and pounds. Therefore, if you have a trip there, it will be useful to navigate in such terms so as not to get confused. Last modified: 2025-01-13 07:01

The surface of Mercury resembles the Moon. Vast plains and many craters indicate that geological activity on the planet ceased billions of years ago. Last modified: 2025-01-13 07:01

Not so long ago, California scientists put forward a hypothesis about the existence of the ninth planet of the solar system. They started talking about its existence after assessing the features of the motion of planets in the Kuiper belt. It has not yet been possible to see this mysterious celestial body, but scientists have provided quite convincing evidence that it is. Last modified: 2025-01-13 07:01

Space has long attracted people's attention. Now every student can list all the planets of the solar system in order. Last modified: 2025-01-13 07:01

Every person, raising his eyes to the sky, sees the so-called clouds. Of course, this doesn't always happen. The sky is clear, but sometimes with clouds. What are clouds? Where do they come from? What does "stormy sky" mean? What are clouds made of and where do they disappear? Mankind has puzzled over these questions for many years. To date, there is no mystery in their origin. So what is it?. Last modified: 2025-01-13 07:01

Many believe that a coachman is a person who drives a wagon and transports people. In general, this definition is not far from the truth, although the concept has a broader meaning. Consider who a coachman is, what are the features of this profession? What is a "pit chase"?. Last modified: 2025-01-13 07:01

What is a harpsichord? What is the instrument and how popular is it? We will cover all this in this article. Last modified: 2025-01-13 07:01

Everyone has heard or mentioned the term "ambush" in conversation. This word has several meanings. It is used both literally and figuratively. The term "ambush", its meaning, the composition of the word, as well as its synonyms will be discussed in this article. Last modified: 2025-01-13 07:01

What is frost? How and where does it appear? Hoarfrost or drizzle - what are the trees dressed in? What types of patterns come from frost?. Last modified: 2025-01-13 07:01

Natural phenomena can be fascinating and fabulous. One of these is frost. What state must the water be in for frost to form? Learn more by reading this article. Last modified: 2025-01-13 07:01

Water is the basis of life on planet Earth. Its circulation in nature makes us think about how dew, frost, rain and snow are formed. Temperature and pressure fluctuations contribute to the rapid crystallization of liquid particles. Last modified: 2025-01-13 07:01