What is a rendezvous? It's the same as a date. It is a form of social interaction aimed at the best possible assessment of a person of the opposite sex for suitability to be a partner for intimate relationships or marriage. This word has many meanings. But usually it means the act of meeting people of the opposite sex as a couple
Secondary education and schools 2024, September
School time for most adults is associated with a carefree childhood. Of course, many are reluctant to attend school, but only there they can get basic knowledge that will later be useful to them in life. One of these is the question of what is a circle and a circle
Many people wonder how to round numbers. This need often arises for people who connect their lives with accounting or other activities in which you need to count a lot. Rounding can be carried out to integers, tenths, and so on. And you need to know a simple rule so that the calculations are still more or less accurate
The key to a successful child's learning process is the ability to read, which is formed in virtually the entire primary school, and for many this skill develops further. Some continue to train it into adulthood, which allows them to quickly read material of the same complexity and volume at different stages of their own lives
We have been wondering since childhood why the skin wrinkles from water. At times we liked to look at our fingers after the bath. Parents answered simply - the fingers absorbed the water, so they became like that. And we believed them. But it turns out that not everything is so simple. After all, for some reason, other parts of the skin do not wrinkle?
The smell of this gas is known to everyone - you can immediately feel it if you open a jar of ammonia. We were told something about its properties at school. It is also known that it is one of the key products of the chemical industry: it is the easiest way to turn nitrogen into it, which does not like to enter into chemical reactions so much
Roman numeration originated, as the name suggests, in Ancient Rome. There are seven basic symbols: I, V, X, L, C, D, and M. These symbols were first used between 900 and 800 BC. e. The numbers were designed to be used as a general method of counting needed to develop relationships and trade. Finger counting got out of control, so to speak, when the count reached 10
For the formation of spelling skills, morphemic parsing of a word or some kind of linguistic analysis, with the help of which its structure is parsed, is very important. Morphemes are the smallest meaningful parts of vocabulary units: prefixes, suffixes, roots and endings. And in the article we will consider in detail the procedure for conducting this analysis
Mathematical expressions and problems require a lot of additional knowledge. LCM is one of the main ones, especially often used in working with fractions. The topic is studied in high school, while it is not particularly difficult to understand material, it will not be difficult for a person familiar with degrees and the multiplication table to highlight the necessary numbers and find the result
In this article you can find out not only the meaning of the word "get bored", but also its morphological features, examples of use. You can also find here the morphological analysis of the word, learn the rules for using this word in combination with other words
Manganic acid is an inorganic, unstable acid of a characteristic purple-purple color, belonging to the class of strong acids. Its chemical formula is HMnO4. This substance is very specific both in its properties and characteristics, and in origin - it has not been isolated in its pure form, it exists only in the form of a solution. However, much more can be said about him. But now we will talk only about the most important characteristics and properties
Maintaining a normal level of metabolism in the body, called homeostasis, is carried out with the help of neuro-humoral regulation of the processes of respiration, digestion, blood circulation, excretion and reproduction. This article will consider the system of excretory organs of humans and animals, their structure and functions, as well as their significance in the metabolic reactions of living organisms
Mathematics originates from Antiquity. Thanks to her, architecture, construction and military science gave a new round of development, the achievements that were obtained with the help of mathematics led to the movement of progress. To this day, mathematics remains the main science that is found in all other sciences. This article will focus on derivatives and their application in practice
How long does pregnancy last? Only 9 months, which is equal to 40 weeks. The arithmetic is simple, but there is a calendar plan (medical) where each month has only 4 weeks, not 30-31 days. How to correctly calculate the necessary time for passing tests, undergoing ultrasound and the birth itself?
Even in biology lessons, teachers talk about various representatives of the fauna. Among them are the first chordates and vertebrate inhabitants of our planet. These include fish and amphibians. Read about the similarities and differences between fish and frogs in the article
Every plant has a seed, thanks to which it reproduces. What is the structure of apple, pumpkin and sunflower seeds? What are the similarities and differences between them, read the article
Kuren - what is it? As a rule, this word is associated with a hut, a dwelling, and also with the Cossacks. And this association is correct. However, these are not all interpretations. It turns out that this term has several more meanings, not necessarily related to housing
In this article you can find out how many digits are in the tens of millions place. We will understand what it is, how many numbers there really are, we will learn a lot of other information that will be very useful to people specializing in this area. In the article we will reveal all the myths and facts. We will support the information in the material of the article with photographs, and at the end we will draw a conclusion. So, how many digits are in the millions place?
Acetoone (dimethylketolne, propanoon-2) is an organic substance with the formula CH3-C(O)-CH3, the simplest representative of saturated ketones. It got its name from lat. acetum - vinegar. This is due to the fact that earlier the substance was obtained from acetates, and synthetic glacial acetic acid was obtained from acetone itself
What is kinematics? Kinematics is a branch of mechanics that studies the mathematical and geometric methods of describing the motion of idealized objects. The topic of today's article will be aspects that are somehow related to the concept of “point kinematics”. We will discuss many issues, but we will start with the most fundamental concepts and explanations of their application in this area
When a person does something indescribable and illegal, then he is accused of outrage, this is obvious. We repeat many words over and over again, but do we know what they really mean according to the explanatory dictionary? Few people look into a wonderful book, many rely on context and habit, today we will analyze the word "outrage"
The city of Brussels is the capital of Belgium and the heart of the entire metropolitan area. It consists of 19 communes. The total population of the capital region is approximately 2 million people, and the capital itself is about 163 thousand
Vegetation - what is it from the point of view of various fields of science? What ecological, production and evolutionary significance does this process have?
Our planet is spherical and tilted. These features of the Earth create different climatic zones on its surface. This is directly related to the unequal absorption of the thermal energy of the Sun by the surface of the planet
"And God said, 'Let there be light!' and there was light." Everyone knows these words from the Bible. But what is light in its nature?
The Arctic belt occupies the polar regions of the Earth. Cold air masses dominate in this area throughout the year
Earth is the third planet from the Sun. In terms of size, it ranks fifth in the system. Earth is the only celestial body known to man that is inhabited by living organisms
When choosing planting material in the description for a particular plant variety, many summer residents come across the concepts of cross-pollination or self-pollination. These are concepts that we all studied at school in botany lessons. But not many already remember what they mean. Let's refresh our memory and remember the types of pollination in plants and their biological significance
In this article we will consider the phenomenon of oxidation. This is a multi-component concept that appears in various fields of science, such as biology and chemistry. We will also get acquainted with the diversity of this process and its essence
The variety of living organisms and features of their structure and life is studied by biology. The conditions for seed germination are considered by its branch, called botany, which includes a section - plant physiology. The main conditions necessary for seed germination are the optimal temperature, humidity, free air access, sufficient nutrients for the development of the embryo, as well as the lighting regime. They will be discussed below
The Mediterranean Sea is one of the oldest seas, since ancient times it was considered the middle of the world. Today, millions of tourists visit here every year. The warmest beaches are located off the coast of Turkey and Egypt - the average annual water temperature here is 18 degrees Celsius
America is the youngest and most active leader in the international arena. The country was founded by immigrants from Europe, freedom-loving and liberal, and therefore its main values are human rights and independence. The capital of the United States is located in Washington - a city located in the autonomous and independent District of Columbia
For quite a long time, the literature has repeatedly expressed the idea that democracy will naturally and inevitably become a consequence of the development of statehood. The concept was interpreted as a natural state that will come immediately at a certain stage, regardless of the assistance or resistance of individuals or their associations
The Society Islands are a piece of land located in the Pacific Ocean. Its main inhabitants are the population of French Polynesia. The total area is just over 1590 km². These islands are divided into 2 groups - Windward (5) and Leeward (9). If we consider the administrative division, then the first group includes 13 communes, the second - 7
In Egypt, you can hear the proverb: “Everything is afraid of time, but time is afraid of the pyramids…” However, the ancient Egyptians are known not only for building tombs and worshiping the gods. Among their inventions are called a reed pen, papyrus paper and many other equally useful things
Do you know what is the area of Ukraine? Not? This and much more will be discussed in this article. The reader will learn in more detail about how the regions were called in the past, what geographical points on the map indicate the borders of the state, and also get acquainted with the most significant regions of the country
For planet Earth, the location of the tropic is important, as it is one of the factors that shape the climate. In this article, we will talk about what a tropic is, what is the definition of this concept. We will also mention the types of the tropics and their inherent climate, and at the end of the article interesting facts will be given
Absolutely everyone has heard about evolution and Darwin these days. We all study the basics of the theory of evolution in biology, as well as the fact that mankind descended from monkeys, that there is natural selection and the fittest survive. But few people know that some scientists are interested in the process of reverse evolution, and have already managed to draw some conclusions from the experiments
In translation from Greek, the word "cnidos" means "nettle", which is associated with the presence of capsules filled with a poisonous secret in the outer cover of animals. As a rule, stinging cells are concentrated in the tentacles of cnidarians and are equipped with a sensitive cilium. Inside the cnidocyte there is a small pouch and a folded miniature tube - a stinging thread. It looks like a compressed spring with a harpoon
This article will come in handy for you to explain to a child in a simple and understandable language, or to fully understand what an axis of symmetry is, which figures have it, and which ones have more than one. We wish you success in mastering the cognitive science - geometry - with us