Secondary education and schools 2024, September

What kind of substance is H2O2, what properties does it have? History of discovery and scope. Safety measures when handling H2O2

Parnassus is a name familiar to any poet, and it also means a mountain range in the Greek region of Thessaly, surrounded by myths. The source of poetic power was the Kastalsky spring, located on one of the slopes of the mountain. It was inhabited by nymphs, the famous priestess Pythia and the god of art Apollo

Solving geometric problems is an exciting activity not only for schoolchildren, but also for adults. We recall what the height of an isosceles triangle is and in what calculations it is used

The existence of the Egyptian pyramids is known to almost everyone. The question of how the pyramids were built is still a mystery and the mystery over which scientists continue to struggle until now. Let's hope that someday it will be revealed

Week of mathematics at school will help to attract children to the study of the subject, as well as reveal the level of knowledge of students. Plan your activities ahead of time

Mathematical holidays allow children to be encouraged to study the subject. And for the kids, it's an opportunity to express themselves

The circle as a form of additional education for schoolchildren has always been a priority for teachers. This work is not only an additional incentive for students to achieve various skills, but also helps children broaden their horizons, gain new knowledge and spend their free time usefully

The great Russian poet, who worked at the turn of the era - Alexander Blok, along with his talent, received a difficult and strange fate from above. Admirers of Blok's work for the most part do not know about his torment in his personal life

Oxygen (O) is a non-metallic chemical element of group 16 (VIa) of the periodic table. It is a colorless, odorless and tasteless gas that is essential for living organisms – animals that turn it into carbon dioxide and plants that use CO2 as a carbon source and return O2 to the atmosphere

One of the topics that is touched upon at the very beginning of teaching English is a portrait - a description of a person's appearance. What it is? This is a rather difficult task, the purpose of which is a detailed description of the appearance

What cities in Kamchatka do you know? There are, in fact, not so many of them. In this article we will talk about each of the cities of the distant peninsula. When they were founded, how many people live in them, what interesting things can a tourist see there?

One of the most common materials that people have always preferred to work with has been metal. In each era, preference was given to different types of these amazing substances. So, IV-III millennia BC are considered to be the age of Chalcolith, or copper. Later it is replaced by bronze, and then the one that is still relevant today comes into force - iron

Recommendations on writing an essay on the topic "The feat of the people in the Great Patriotic War". Plan, sample essay

N. Nekrasov created an amazing poem "Before the rain". At first glance, it seems that it contains a simple description of nature, and in the last lines it seems to be unclear why, people are mentioned. However, after a more detailed analysis of the poem "Before the Rain" by Nekrasov, its meaning becomes logical and understandable

For a little girl to become obedient and sweet, it is enough just to inspire her that she is a princess, and when she grows up, the Prince will come for her on a white horse and take her to his Kingdom, where they will live happily ever after. So, in today's publication, we will look at who the prince is. Is this the image of the "ideal man"? Or still no

Quite often we see such an abbreviation as SPB. What does it mean? Where is it used? In this article, you will learn this and much more about abbreviations and their types. Read about the Russian abbreviation SPB, where it is used and what it means. Consider how the city of St. Petersburg is also called

The reader will learn where Cape Fligeli is located, its geographical location, climatic conditions, the history of the discovery and conquest of the Far North, and will also receive information about those rare representatives of the fauna that live here

The highland state of Andora (Andorra) is surrounded by Spain and France. This country has a tiny size, only 458 sq. m (only Monaco, San Marino and Liechtenstein are smaller). Andorra has no access to the sea, but there are as many as 6 ski resorts in the principality, which attracts a lot of tourists here

Nucleic acids play an important role in the cell, ensuring its vital activity and reproduction. These properties make it possible to call them the second most important biological molecules after proteins. Many researchers even put DNA and RNA in first place, implying their main importance in the development of life

The biological meaning of life comes down to the reproduction of species. Here, reproduction is considered as a barrier process leading from an adult organism to a newly formed one. At the same time, only a small part of organisms is able to reproduce almost immediately, as it appeared itself

The circulatory and respiratory systems are interconnected structurally and functionally. Together they provide the vital activity of the body, allow you to supply tissues and organs with oxygen and nutrients. And starting from the first animals that partially conquered the land, there is a unity of these systems

The process of protein biosynthesis is extremely important for the cell. Since proteins are complex substances that play a major role in tissues, they are indispensable

Skin seems to be the most complex and most voluminous human organ. In our life, it plays an important role, and therefore is the main structural element of the body. Providing protection, maintaining heat and water balance, it supports life in the conditions in which a person lives. And, of course, this is not the only value of the skin for the body. It has many more features that need to be explored in detail

In 1972, the theory was put forward that a partially permeable membrane surrounds the cell and performs a number of vital tasks, and the structure and function of cell membranes are significant issues regarding the proper functioning of all cells in the body

Udmurtia is a republic located on the territory of the Russian Federation, is its subject. It beckons with its endless expanses and beautiful landscapes. More than 1.5 million people live on its territory. The total area of the republic is 42.06 thousand square meters. km. There are six cities in this area

The Moon is the most visible object in the sky after the Sun, and therefore it has always been attributed the same significant properties as the daylight. Centuries later, worship and mere curiosity have been replaced by scientific interest

When analyzing Mayakovsky's poem "Nate", it is necessary to pay attention to the historical context, the stylistic form of the work, the choice of vocabulary, rhymes, and the general message. Let's see the details in the article

A text analysis plan for a literature lesson includes just under ten points. If you gradually reveal each of them, you will certainly get a good grade

To analyze Vladimir Monomakh's "Instructions", a student must have not only the skill of parsing literary works, but also historical knowledge. Let's see what to pay attention to when writing a paper

The essay "The problem of ecology in "Farewell to Matera"" is written by schoolchildren already in high school. By this time, the student is already a practically formed personality, able to analyze, draw parallels between a work of art and real life, offer his own point of view, justified by various arguments

Before starting to write the essay "Motherland", the student should understand what this concept means to him. Discuss where to start and how to finish creative work

Our country is rich in various attractions. The essay about the monument touches on one of such interesting structures. In this article, we will consider how to write this creative work correctly

The story of Arkady Gaidar is a truly immortal work. An essay on the topic "Timur and his team" is written by schoolchildren easily and with pleasure. Learn only the main points that are worth paying attention to

We will discuss how to write an essay on the painting "Rye" by the great Russian artist Shishkin so that the teacher gives you an excellent mark

It takes a little originality, focus, and consistency to get an A on "My Favorite Piece" essay. Let's discuss what you need to follow while writing this paper

Children are very fond of solving all sorts of riddles. Let's figure out how to make a rebus using pictures to entertain a child in his free time

"Description of the monument" - an essay not only for a good mark on the subject, but also "for the soul." By learning how to write creative work in accordance with the generally accepted structure, you will begin to receive only excellent marks in the Russian language and literature

Understanding what proper fractions are is not difficult at all. A little concentration, knowledge of addition and multiplication skills - and the student will master this topic without much difficulty

There are quantities so large and so small that it is almost impossible to imagine. In this article, we will discuss what the giant and dwarf numbers are called and where they are used

Victory in the Great Patriotic War is the pain and pride of the Russian people. The composition "The Immortal Regiment" is aimed at maintaining the memory of those events among young people - the future of our country