Have you ever wondered how important nickel is in the human body? Do you know what this substance is? What is the history of the discovery, the mass of nickel, as well as many other information can be found in this article
Secondary education and schools 2024, September
The weather in a given area has a strong impact on human life, so information about the state of the earth's atmosphere is always useful from an economic standpoint and in terms of he alth safety. Temperature inversion is one of the types of the state of the lower layers of the atmosphere. What it is and where it manifests itself is discussed in the article
In the Northern Hemisphere on December 21, 2012, the longest night of the year acquired mystical significance: the Mayan calendar was ending, humanity was expecting the end of the world
The text of the article contains a formula for calculating the volume of one brick. The dimensional characteristics of these materials are indicated. Information is given on the volume occupied by bricks of different sizes, with and without seams. A historical background is given on how the brick was used in retrospect
This article describes the characteristics of the stages of fish development. The differences between a fry and an adult animal are described. The ways of caring for this stage on the part of an adult animal are indicated
The hobby for aquaristics has now acquired unprecedented proportions. A huge range of aquatic life, plants and, of course, aquariums. How to calculate the volume of an aquarium, choose the optimal volume, and why is it important? Answers - in this article
Nature constantly surprises us with rare and very interesting plants and animals. Among the amazing and unusual representatives of the fauna, there are many inhabitants of reservoirs. One of them is a transparent fish. This is one of the rare species that not everyone knows about
Our own hearts have four separate chambers, while frogs, toads, snakes and lizards have only three. The heart of vertebrates performs the function of pumping blood throughout the body. Similar in many respects, the hearts of different classes of vertebrates have different numbers of chambers. What are the structural features of the frog's heart?
From an early age, a person goes through all stages of personality development. Kindergarten, school, college, university… The most vivid impressions and memories start from the first grade. The first teacher, bright books, written with still inept copybook pens. Time flies by in an instant. And here is the last call, receiving a certificate of secondary education, graduation. A bright future ahead
Thanks to general concepts and expressions, speech becomes richer and more vivid. Words and their combinations, which carry a broad meaning, are able to convey to others the thoughts of the speaker in a certain interpretation. To imply - how is it?
La Perouse Strait - located in the Pacific Ocean, separates the two largest islands. It has always had political significance, as the border of two states is located here: Russia and Japan. Opened by the famous navigator, sung in the song "from the distant La Perouse Strait", it still poses a great danger to ships
As you know, positive and negative emotions are strong, they make an impression and leave a mark in the souls of people. In the article we will consider one of them. It will be about the meaning and origin of the phraseologism "hell pitch"
They can be bondage, acceptable, unacceptable, auspicious, climatic, political, weather, technical, sole, mandatory, desired, given, basic, ideal, disturbed, social, important, meteorological, housing, harsh, appropriate, heavy, preferential, final. What is it? Conditions. We use this word in speech or writing almost every day. Let's talk about what it means
The state of Australia is located on the mainland of the same name and some nearby islands, the largest of which is Tasmania
The section of physics that studies bodies at rest from the point of view of mechanics is called statics. The key points of statics are the understanding of the equilibrium conditions of bodies in the system and the ability to apply these conditions to solve practical problems
Let's try to find out what strong oxidizing agents are and how they can be used. Let us give examples of the strongest oxidizing agents that are of practical importance
The structure and development of the earth's crust determines not only the development, but also the origin of the general relief of the ocean floor. Two groups are distinguished here: oceanic plateaus as phenomena of a transitional type of the structure of the earth's crust and median ridges with abyssal plains and trenches
"Utopianism" - what is it? As a rule, the interpretation of this concept causes difficulty. It is directly related to the word "utopia". What do these terms mean? What are their similarities and differences? This will be discussed in the proposed review
Terrible, destructive, but at the same time incredibly exciting in its strength, the eruption is the spectacle for which tourists travel to the most remote corners of the planet. About what volcanoes are and where they are, is described in this article
The invention of writing by mankind was an important step for the development of culture and education. Thanks to the appearance of the alphabet, it became possible to record information on material media and store it for generations. The concept of the manuscript is associated with the invention of writing. From the article you can find out what it is, what ancient manuscripts have survived to this day and what concepts are associated with the study of this cultural phenomenon
Understanding the physical meaning of the derivative is not at all as difficult as it might seem to the uninitiated. In fact, any motorist copes with a similar task every day when he looks at the speedometer, determining the speed of his car
The article talks about what pince-nez is, when this device appeared and how it differs from ordinary glasses
Ethylene is the simplest of the organic compounds known as alkenes. It is a colorless flammable gas with a sweet taste and smell
Amphibians are the direct descendants of lobe-finned fish. They appeared 380 million years ago and subsequently gave rise to the reptile class. What do amphibians look like? How are they different from other animals, and what kind of lifestyle do they lead?
Sugar is a common food item in the daily diet. According to statistics, its consumption is constantly increasing. There are 60 kilograms per person per year. There is a lot of information about the benefits and harms of sugar. But to understand it, you need to know about the properties of sugar, its use in solid and molten form
It is from the seed that the life of many plants begins. Miniature chamomile or spreading maple, fragrant sunflower or juicy watermelon - they all grew from a small seed
According to scientists (linguists and psycholinguists), about a thousand words are enough for the average person "with a head" for everyday life. However, the vocabulary of an educated European is about ten to twenty thousand. We are talking about active use, while we can know and understand about two to two and a half times more words
The word is borrowed from England and consists of two parts: cross (crossing, cross) and word (word). It is impossible to definitely answer the question of where and when the first crossword puzzles appeared
The word "fanaberia" can now be found in colloquial speech or even in books is extremely rare. That is why few people are familiar with the meaning of the word "fanaberia". But what about those people who nevertheless met this word in literary works? Of course, read this article! Here you can find out the lexical meaning of the word "fanaberia" and how it appeared in Russian
If you are a student of social studies, you will often see words like "identical", "identify" or "identify". But what is the meaning of the word "identify"? You may have problems with this. However, this article will help solve them
Many have heard the expression "oil painting" at least once in their lives. And probably, the image of Mona Lisa or some other picture came to everyone's mind. And then the question arose: what does the picture have to do with it? This article will help you understand the meaning of the complex phrase "oil painting"
The Russian language is incredibly diverse. And even the most enthusiastic and sophisticated Russian specialist cannot know the meaning of every word. Sometimes the question of meaning can arise even in relation to the simplest words, and if they are ambiguous, then the task becomes even more difficult. This article will talk about several meanings of the word "slurry"
What is coquetry? The meaning of the word and its synonyms will be discussed in detail in the article. The term as a set of techniques by which people seek to please each other is applied to both sexes. But only in women flirtatiousness is inherent in nature from birth, which determines the content of the publication
Methods of linking phrases begin to be studied in detail in the 5th grade, and then the first problems begin to arise. This article will help you understand all the types and ways of word combinations connections
Mechanical movement surrounds us from birth. Every day we see how cars are moving along the roads, ships are moving along the seas and rivers, airplanes are flying, even our planet is moving, crossing outer space. An important characteristic for all types of movement without exception is acceleration. What is acceleration, and what types of it are, is discussed in the article
Red is a word that has several meanings. It is found in the description of the relief of a particular area. Often used in texts devoted to gardening. The ridge is, moreover, a toponym. In Russia, there are three settlements with this name, and one river
Ть - suffix or ending for verbs? The article presents the answer to this question from the standpoint of the modern Russian language
The article tells what the aspect of the verb is, what kinds there are. Gives examples and offers tasks to consolidate knowledge
"You speak the truth" - what is the meaning of this expression? As a rule, in modern speech it is used with a certain degree of irony. But has it always been like this? What is the source of this phraseological unit? Details about this, as well as about the close to it, well-established phrase "through the mouth of a baby speaks the truth" will be described in the article
Proverbs about good deeds are well-aimed folk sayings with great historical stability, passing from generation to generation