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Where can I go after grade 9: features, professions and recommendations
Where can I go after grade 9: features, professions and recommendations

At the moment, after finishing the 9th grade, a boy or girl can enter only two educational institutions - a college or a technical school. There are no longer such concepts as vocational schools or colleges. Where can I go after grade 9: college or technical school? To make a decision, you need to know the differences between them

  • Structure and functions of the liver in the body
    Structure and functions of the liver in the body

    The human liver, which is part of the digestive system, creates the conditions for communication with the outside world and life. This is a very large gland, which plays a leading role in neutralizing the consequences of an unhe althy lifestyle and in the synthesis of bile. Quite often, doctors begin to treat various symptoms without noticing which liver functions are affected

  • Calcium stearate: description and properties of the substance, possible harm to the body
    Calcium stearate: description and properties of the substance, possible harm to the body

    Calcium stearate is used as an emulsifier in food, cosmetic and pharmaceutical industries. This substance is otherwise called additive E572. How safe is this chemical compound for human he alth? And how does it affect the body? We will consider these questions in the article

  • Magnesium bicarbonate: physical and chemical properties
    Magnesium bicarbonate: physical and chemical properties

    Carbonic acid, which is an aqueous solution of carbon dioxide, can interact with basic and amphoteric oxides, ammonia, and alkalis. As a result of the reaction, medium s alts are obtained - carbonates, and provided that carbonic acid is taken in excess - bicarbonates. In the article we will get acquainted with the physical and chemical properties of magnesium bicarbonate, as well as with the features of its distribution in nature

  • What is mass, how is it calculated, and how is it different from weight?
    What is mass, how is it calculated, and how is it different from weight?

    A concept that we are familiar with from early childhood is the mass. And yet, in the course of physics, some difficulties are associated with its study. Therefore, it is necessary to clearly define what mass is. How can you recognize her? And why is it not equal to weight?

Interesting articles

What are hydrophobic substances?
What are hydrophobic substances?

Besides the fact that experiments with the use of hydrophobic substances are extremely interesting and spectacular, the study of such substances can bring tangible benefits to everyone, including ordinary people

  • How to calculate free fall acceleration on Mars and other space bodies
    How to calculate free fall acceleration on Mars and other space bodies

    What force makes all bodies move towards the surface of the planet, according to what laws does this movement occur? Let's try to answer these questions. And if this fall occurs on Mars, on other bodies of the solar system?

  • What are gravity maneuvers
    What are gravity maneuvers

    Unfortunately, man has not yet invented reliable and sufficiently affordable means of communication with other planets of the solar system. Any flights beyond the earth's atmosphere require enormous energy costs. How do gravitational maneuvers help to explore space and what is it?

  • The term "nadir" - what is it?
    The term "nadir" - what is it?

    Such terms as: "zenith", "horizon", "north", "south", "west", "east" are well known to most people. But what is "nadir"? It is unlikely that ten out of ten polled compatriots will confidently answer this question

  • What is the ecliptic. It's not hard
    What is the ecliptic. It's not hard

    In popular science articles on the topics of space and astronomy, the authors often use the not entirely clear word "ecliptic". What does it mean and how does it relate to the passion of millions - horoscopes. This will be discussed in the article

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  • Appearance is both character and face
    Appearance is both character and face

    It's a well-known fact that there are words that have multiple meanings. In the topic of today's publication, we will consider what "appearance" means. This word is polysemantic, but it should be remembered that all the meanings of polysemantic words are interconnected and have something in common. Let's trace this connection

  • Is it a mistake or an oversight to overdo it?
    Is it a mistake or an oversight to overdo it?

    Who doesn't love Mom's homemade apple pie? Sweet and sour cake with a golden brown crust and with the smell of cinnamon! But imagine that it is incredibly oversweetened. The same cherished balance between “sweet and sour” and “sweet” has been broken. Overdoing is the same as overdoing it. So what does it mean to overdo it?

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Prince Yuri Vsevolodovich: biography, history, years of government, achievements
Prince Yuri Vsevolodovich: biography, history, years of government, achievements

In the history of Russia there were many outstanding and influential personalities. Among them were princes who influenced the course of events, ruled the state or principality, defended their possessions from the raids of enemy peoples. One of these people was Prince Yuri Vsevolodovich

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