Interesting scientific facts for kids. The most interesting facts about children and for children

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Don't know what to do with your baby? Go to Tweedy and choose exciting games for it. Here the children are waiting for entertainment on different topics. The site invites adventure lovers to go on a journey with their favorite cartoon characters. Girls can dress up princesses, change their style and hairstyles. Read online comics and funny stories. It does not matter if you are on the road and you do not have a computer with you - this portal will be able to entertain your child thanks to the mobile version.

http://www.tvidi.ru/

If your child is in the age of why, pay attention to this site. Here you will find answers to almost all the questions that the baby asks. You do not have to choose understandable words and rebuild sentences according to the meaning so that the baby understands you. The children's encyclopedia works online, the facts are presented in a simple, accessible language. Explain why the grass is green and how the car drives. Every day a new portion of explanatory information is posted on the portal.

http://potomy.ru/

You are welcomed by an online magazine about technology and science, where you can find educational information not only for parents, but also for children. Read about advances in medicine, spacecraft and new inventions. In the Thirst for Creativity section, you will be told about design, art objects and architecture. Watch presentations with novelties of both domestic and foreign auto industry. To stay up to date with the news, you can register on the site and receive mailing material.

http://www.membrana.ru/

Everything for the leisure of the child can be found on this site. Here the kids are waiting for cartoons, stories, fairy tales and exciting games. Listen and download children's songs, learn the words to them. In the "Coloring pages" section, kids can draw animals and plants. The site offers young defenders to protect the royal fortress from enemy attacks. To help parents, the section "Learning to speak" has been created, which contains exercises for the development of speech and for breathing exercises.

http://detochki.su/

A collection of tasks for students in grades 1-4 is posted on this site. Here you will find assignments for all subjects taught in elementary school. You can familiarize yourself with the exercises and try to solve them in the demo version, and in order to study the full course, you need to place an order and pay for the services of the portal. Test your child's knowledge of mathematics, literature and Russian. Choose books for extracurricular reading. Want to distract your little one a little? Upload cartoons and series on the portal.

http://nachalka.info/

The site invites everyone to visit the exhibition of home-made fairy tales called "Once Upon a Time". They were invented and designed by users of the Internet resource. Wander through the sections of the portal and choose your favorite stories. Color your favorite characters and solve puzzles. Here you can order books on the upbringing and education of children. In the publications you will find complete scenarios for classes that will help parents in organizing the lesson. On the forum, mothers can get a free consultation from an experienced teacher.

http://www.koshki-mishki.ru

The site will become a good helper in raising children. Here, parents will find many informative articles about the care and feeding of babies, as well as on their education. Learn how to convey knowledge to your child. The portal will tell you how to instill a love of literature and not extinguish the desire to learn. Read about the development of speech crumbs, develop diction and train his breathing. In the section "Appliques, crafts" moms are waiting for ideas for needlework. Introduce children to professions, names of animals and plants.

http://www.poznayka.ru

http://www.smeshariki.ru

Here the kids will find something to read. Choose works of Russian and foreign writers. Get acquainted with folk tales and learn funny poems. In the "Watch" section, young athletes can get acquainted with video lessons in physical education. For those who cannot live a day without a song, there is music in the "Listen" section, enjoy hits from cartoons and movies. The "Workshop", which contains examples of unusual ideas for creativity, will help the children develop their talents and learn how to make crafts.

http://webdeti.net/index.php?option=com_content&ta...

On this site, children will find a lot of interesting and informative information. Read jokes and funny stories. Develop speech and train diction with the help of tongue twisters. Learn poems for events. In the "Art of communication" section, kids will be told how to win over an interlocutor and teach guest etiquette. See ideas for an unforgettable birthday party and pay attention to gift tips. Participate in contests and quizzes - the winners of the best answers will receive valuable prizes.

http://www.kostyor.ru/

The daily course "Erudite" invites everyone to join the training sessions. Here every day there are new tasks, selected according to the age of children with different complexity. Learn to count and read, distinguish colors and recognize objects by their shape. The site promises that the lessons will not be boring, they are designed in the form of puzzles, riddles, rebuses and cryptograms. In the Toy Library section, children will be able to play online and participate in contests and quizzes, as well as do magic tricks and make crafts.

http://www.solnet.ee/

The site is full of children's entertainment and tips for parents. Here you can learn poems and lyrics with your child, play online and read the news. In the "Education" section, kids will be able to get acquainted with the work of great writers and composers. The portal invites moms to cooking lessons, where recipes for healthy dishes are collected. Do you want to arrange an unforgettable holiday for your child? See event ideas and download scripts. Arrange for your baby a real carnival with games and contests.

http://chudesenka.ru/

The online magazine invites children from 6 to 14 years old to visit. Here the kids will be told about book novelties and exhibitions. On the pages of the illustrated story with the dog Yanka, the children will learn how to distinguish chamomile from other flowers in the meadow, as well as where the birds with blue paws are found. In the "IgroDom" section, kids will find many exciting games for themselves. Solve crossword puzzles and riddles right on the site. Watch workshops that show ideas for crafts from milk packaging.

http://www.murzilka.org/

You can watch cartoons, documentaries and fairy tales on this site. Here - educational games, coloring books, puzzles and jigsaw puzzles. In the "Cinema" section for kids, there are videos with lessons in the alphabet, mathematics and literature. Learn letters and memorize new words along with famous characters. Get to know the environment and learn the names of animals. In the section "Popular on the site" there are options for weaving bracelets from rubber bands on a fork and various ideas for home-made postcards.

http://pustunchik.ua/

By visiting the site, you definitely will not say that you have wasted your time for nothing. Here parents and children will find something to entertain themselves. In the "Games" section, a large number of developmental tasks are laid out. Kids are waiting for puzzles, riddles, arcades and puzzles. Learn poems for holidays and matinees. To take a break from tasks or to cheer up, you can turn on songs and listen to your favorite hits from movies and fairy tales. The portal advises parents to pay attention to articles about the upbringing and education of their child.

http://mir-skazok.net/

Interesting facts about animals and plants can be found on this portal. Here the children will be told about the environment and what needs to be done in order not to pollute it. The "Reader" section contains a collection of children's literature about the fun travels of the main character of the Klepa website. Learn about how she decided to fly in a hot air balloon and what dishes she likes to cook in her kitchen. The heading "Smile" will give the crumbs a good mood. Send children's drawings and the best ones will be published on the site.

http://www.klepa.ru/

Introduce your child to safety rules in a playful way. On this site, Spasik will tell the kids about how to behave on vacation, being in the water and on the street. Download tutorials that talk about what not to do alone at home, take tests and answer quiz questions. In the gallery you will find thematic drawings. Watch educational cartoons and video tutorials. The portal also contains all emergency telephone numbers and addresses of rescue services.

http://www.spas-extreme.ru/

If the child is interested in everything around, then invite him to visit the "Children's Page", where photos of plants, stories about the universe and stories about the stars are waiting for him. Here the kid will read about the planets, where their names came from and why life exists only on Earth. The "Animals" section contains information about the inhabitants of forests. See pictures of waterfowl and seabed inhabitants. Read epics about Dobrynya and Koschey, as well as how Vasilisa the Wise became.

http://www.deti.religiousbook.org.ua/

Interesting facts for children are very popular. After all, babies constantly need food for the mind. Often for this reason they are called "why". They want to know everything, and they ask thousands of questions. In this article, we have collected the most that will help children expand their horizons and increase their level of erudition.

Although in fairness it must be said that even not all adults know what we will tell you about right now. So let's go!

1. 1. Have you heard the expression: “This is a no-brainer”? This phrase was coined by Soviet children. When there were many children in schools, classes were formed with the letters A, B, C, D and D. However, for lagging behind children with poor academic performance there were additional classes: E, F, I. the expression "no brainer" was used to explain the most elementary things that even the last losers understand.
   2. The shortest war in human history lasted 38 minutes. This happened in 1896. When England attacked Zanzibar, the Sultan surrendered exactly 38 minutes later, with the loss of about 570 men. From the side of England, only one soldier was wounded.
   3. Maybe you know who invented ordinary scissors? Or do you think they have always existed? So scissors were invented by one of the greatest scientists of all time -.
   4. Did you know that you can't sneeze with your eyes open? So either sneeze or look both ways. One out of two!

1. 1. And this interesting fact for children will surprise many children. The fact is that in China, no matter how ridiculous it sounds, there are more people who know English than in the United States. Think how it is possible! As a hint, let's add that English is taught in all Chinese schools, and the population of the country is 1.3 billion people, compared to 320 million in the United States.
   2. Do you know which living creature has the biggest eyes? This is a giant squid. Its eye is approximately the size of a soccer ball. That's what he's got, I guess!
   3. But about the ostrich, you most likely heard various jokes, they say, this is a very stupid creature. If this is true, then it is not surprising. After all, the eyes of an ostrich are larger than its brain! Can you imagine such a thing?!
   4. More about this strange bird. There is a common myth that ostriches hide their heads in the sand when they are afraid of something. So know that this is not true, but pure fiction.
   5. Despite the fact that we are talking about interesting facts for children, we allow ourselves one more remark. In general, a starfish (these are such animals) does not have a brain at all. Shame on them, I guess!
   6. Human ears and nose never stop growing. With the help of this interesting fact, children will understand why grandparents sometimes have such big ears or noses.
   7. Interestingly, women blink almost twice as often as men. Maybe they're just more shy?
   8. Who are lefties? These are those who are much more comfortable writing and doing all things not with their right, but with their left hand. So it is believed that left-handers live a few years less than right-handers. This is due to the fact that almost all things in the world are created for right-handers, so accidents often happen to left-handers. However, with all this, it was among the left-handers that there were the greatest and most brilliant people in the history of mankind.
   9. Among the interesting facts for children, one can find the statement that in a lifetime, a person eats approximately 8 spiders in a dream. But this is absolute nonsense - do not believe it!
   10. Have you ever seen a rhinoceros? What do you think his horn is made of? Okay, let's not torture you, but let's say right away that the horn of a rhinoceros consists of thickened hair. How!
   11. The youngest pope ascended the throne at the age of 11. So you don't have to be an adult to achieve great goals.
   12. Do you like to sleep when you have to go, for example, to school? If yes, then you will love this fun fact for kids. The fact is that snails can sleep for three years. Imagine how reluctant they are to go somewhere!

1. 1. Polar bears are one of the most dangerous and powerful predators on earth. However, they are also one of the most beautiful animals! So the skin of polar bears is black. And the fur is not white, but transparent, can you imagine!
   2. Do you know which muscle is the strongest in humans? Do you think it's biceps? No, my friends, the strongest muscle in the human body is the tongue.
   3. Surely you know that all animals are conditionally divided into two types: domestic and wild. So over the past 4 thousand years, not a single animal has become a domestic animal. Cats, dogs, horses and many other animals known to us were tamed more than 4 thousand years ago.
   4. Did you know that all babies are born without kneecaps? They appear only after two years.
   5. And this is an interesting fact for female children. A Barbie doll, if she were of ordinary human height, would have a neck twice as long as a standard one.
   6. Another fact from the animal world. As unfortunate as it sounds, a crocodile cannot stick out its tongue.

1. Polar bears, which we have already written about above, are almost all left-handed.
2. Butterflies taste food with their little paws. In the summer you will tell your friends about it.
3. If you have read The Adventures of Tom Sawyer, then you should know that this is the world's first novel written on a typewriter. Until that time, all books were written with pen and ink, and then printed in special printing houses.
4. Elephants are considered very kind animals, despite their gigantic size. But they have one sad secret that they don't tell anyone. The thing is, elephants can't jump. Surely children will find it simply unthinkable!
5. Did you know that dragonflies, which children love to catch so much in summer, are not simple insects, but predators? They eat flies, spiders and various midges. Moreover, they are very clever hunters, and if they decide to catch some kind of fly, then it will hardly be able to get away from the chase.
6. By the way, do you have a cat at home? If so, then know that a cat has 32 muscles in each ear. So be careful with them, because they hear everything!
7. Tigers have striped skin, not just fur. So if we shave them baldly, they will still remain striped.
8. And this is not only an interesting fact for children, but for adults too. Its essence lies in the fact that a person, on average, falls asleep for about 7 minutes. So you will have time to count a lot of sheep.

Well, on this we will finish interesting facts for children. Of course, you will still have many questions, and in the next issues we will try to replenish your knowledge pool even more.

Much of what we learn in school will never come in handy. Most of this large part we will never even remember. And yet, some crumbs of "useless" information will remain in memory. Paradoxically, it is thanks to them that we feel like educated people. The luxury of keeping in mind not only vital information, but also “information surplus” increases self-esteem and gives a sense of intellectual consistency.

And "unnecessary information" surprisingly turns out to be the most interesting. This interest can become a magical key for children from the vast world of science, which is often hidden behind boring formulas and incomprehensible definitions.

In this article, we have collected nine scientific facts that can be used in the lessons of mathematics, physics, geography, chemistry and biology to clearly show that science is not something abstract from real life, but situations that we face every day.

Fact number 1. On average, an ordinary person travels a distance equal to three equators of the Earth in his life

The equator is approximately 40,075 km long. Multiplying this figure by three, we get 120,225 km. With an average life expectancy of 70 years, we get about 1717 km per year, which is a little more than five kilometers per day. Not so much, but it runs for life.

On the one hand, this information has no practical application. On the other hand, it is much more interesting to measure the distance traveled not in meters, steps or calories, but in equators. And calculating the percentage of the length of the equator will draw attention not only to geography, but also to mathematics.

The following two facts may come in handy in mathematics lessons. Using the first, you can calculate the number of children in parallel or even in the entire school who were born on the same day.

Fact #2: If there are 23 random people in a room, there is over a 50% chance that two of them will have the same birthday.

And if you put together 75 people, then this probability reaches 99%. A 100% chance of a match can be in a group of 367 people. The probability of a match is determined by the number of pairs that can be made from all the people in the group. Since the order of people in pairs does not matter, the total number of such pairs is equal to the number of combinations of 23 by 2, that is, (23 × 22) / 2 = 253 pairs. Thus, the number of pairs exceeds the number of days in a year. The same formula calculates the probability of matches for any number of people. So you can estimate the number of children born on the same day in parallel or even in the entire school.

Fact number 3. The number of living organisms in a teaspoon of soil is greater than the entire population of our planet

One square centimeter of soil contains billions of bacteria, fungi, algae and other organisms. About 60 million bacteria live in just one gram of dry soil. Nematodes, or roundworms (the most famous of which are roundworms and pinworms) in the same amount of soil are much smaller - only 10 thousand. A figure that is incommensurable with the human population, but no less unpleasant for that.

Practical application of the information: Wash your hands thoroughly after taking care of your houseplants and after working in the garden. A zone of increased bacterial danger is a sandbox on any playground.

Fact #4: The average toilet seat is much cleaner than the average toothbrush

The bacteria on your teeth live at a density of about 10 million per square centimeter. The number of bacteria on the skin varies depending on the part of the body, but in any case it is much less than in the mouth.

But there are no bacteria on the skin of frogs at all. The reason for this is the mucus secreted by the frog and contains the strongest antibiotics. This is how frogs protect themselves from the aggressive bacterial environment of the swamps in which they live.

A person in this regard is much less adapted, so toothbrushes are advised to be changed every couple of months.

Fact number 5. In the evening, a person becomes 1% lower compared to his "day" height

Under the influence of loads, our joints tend to shrink. With a normal lifestyle, by the evening a person's height decreases by 1-2 cm, which is approximately 1%. The decrease is not permanent.

The maximum decrease in height occurs after weightlifting. Changes in growth can be three or more centimeters. This is due to the compaction of the vertebrae.

Fact #6: Using very high pressure, diamonds can be made from peanut butter.

Scientists from the Bavarian Research Institute of Geophysics and Geochemistry tried to simulate in the laboratory the conditions of the Earth's lower mantle, where at a depth of 2,900 kilometers the pressure is 1.3 million times higher than atmospheric pressure. During the experiment, some innovative ways of producing diamonds were discovered. According to one hypothesis, diamonds are formed from carbon under very high pressure. Carbon is found in almost all foods. And since the researchers had only peanut butter on hand, they tried it out. Unfortunately, the hydrogen, which is bonded to carbon in peanut butter, slows the process down significantly: even a small diamond takes weeks to produce. Thus scientific thought proves that the most incredible transformations are quite possible.

Fact number 7. The height of the Eiffel Tower can change by 12 centimeters depending on the air temperature

An iron rod 300 meters long expands by 3 mm when the ambient temperature rises by one degree.

This is exactly what is happening with the Eiffel Tower, which is approximately 324 meters high.

In hot sunny weather, the iron material of the tower can heat up to +40 degrees, and in winter in Paris it cools down to about 0 degrees (great frosts are rare there).

Thus, the height of the Eiffel Tower can fluctuate by 12 centimeters (3 mm * 40 = 120 mm).

Fact #8: A conventional microwave uses much more energy to keep the built-in clock running than it does when reheating food.

While in standby mode, a modern microwave consumes approximately 3 watts per hour. Already 72 watts come out per day, and if we multiply this number by thirty days, we get an energy consumption of 2160 watts per month.

If we assume that we use the microwave every day for 5 minutes, we get 150 minutes or 2.5 hours per month. Modern stoves consume about 0.8 kW / h in heating mode. It turns out that with this use, the energy consumption directly for heating food is 2000 watts. If you buy a more economical model that consumes only 0.7 kWh, we get only 1.75 kW per month.

Fact #9. The first computer mouse was made of wood.

Sometimes it's just curious to know the fate of the items that we use every day.

The computer mouse in the design familiar to us was introduced to the world in 1984 by Apple. Largely thanks to her, Macintosh computers have become incredibly popular. But this small, but such a necessary device begins its true history 20 years earlier.

In 1964, Stanford engineer Douglas Engelbart designed a manipulator to work with the oN-Line System (NLS) operating system. Initially, the device was a handmade wooden box with two wheels inside and a button on the body. After some time, the device has a third button, and a couple of years later Engelbart receives a patent for his invention.

Next, Xerox enters the business, but its modification of a computer mouse costs about $ 700, which by no means contributes to its mass distribution. And only the Steve Jobs company is able to develop a similar device with a cost of $ 20-30, which has become part of the daily lives of billions of people.

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Some parents say to the baby: "You are the light of my life." But did you know that if you were light, you would circle the entire globe 7.5 times per second! If you became sound, you could fly around the Earth in 4 hours! If we lived on Jupiter, our day would consist of only 9 hours. It’s good that on Earth a day lasts 24 hours, because we need to do so much during the day! These are just a few entertaining scientific facts that can interest both an inquisitive child and an adult.

What is science?

Science is an organized and consistent study that includes observation, collection of scientific facts, experiments, verification of results, and explanation of natural and man-made phenomena. This is an area that gives us the opportunity to better understand the world around us and create good things for the benefit of man and all living beings.

Ordinary scientific facts

Now that you know what we are talking about, here are some interesting scientific facts:

• If you stretch the chain of human DNA, its length will be the distance from Pluto to the Sun and back.
• When a person sneezes, the speed of the air they exhale is about 160 km/h.
• A flea can jump to a height that is 130 times its own height. If the flea were a 1.80 m tall human, it could jump 230 m.
• An electric eel generates an electric current of 650 volts. Touching him is the most powerful shock that a person can experience.
• It takes light particles photons 40,000 years to travel from the core of the Sun to its surface, and only 8 minutes to reach the Earth.

Scientific facts about the earth

Earth is our home. To take care of her, we need to know important information about her:

• The age of the Earth is from 5 to 6 billion years. The Moon and the Sun are about the same age.
• Our planet is made up primarily of iron, silicon, and a relatively small amount of magnesium.
• Earth is the only planet in the solar system that has water on its surface, and the atmosphere is 21% oxygen.
• The surface of the Earth is made up of tectonic plates placed on the mantle - a layer located between the Earth's core and the surface. This structure of the earth's surface explains earthquakes and volcanic eruptions.
• About 8.7 million species of living organisms live on Earth. Of these, 2.2 million species live in the ocean, while the rest live on land.
• ¾ of the Earth's surface is covered with water. When astronauts first saw Earth from space, they saw mostly water. Hence the name "blue planet".

Facts about the environment

Why do the seasons change? What happens to trash after we throw it away? What causes the weather to be hot or cold? This and much more children learn in the lessons of natural history at school. Consider some of the facts that convince us of what a beautiful planet we live on.

• Plastic completely decomposes in the ground in 450 years, and glass in 4,000 years.
• Around the world, 27,000 trees are used daily to make toilet paper alone.
• 97% of all water on Earth is salty and unusable. 2% of water is in glaciers. Therefore, only 1% of water is usable.
• The meat processing industry contributes the most to global warming. In second place among global problems is deforestation. About 68% of existing plant species are likely to become extinct in the near future.
• The population of the Earth is more than 7 billion people. This figure is expected to reach 8 billion by 2025.
• Unfortunately, 99% of the existing species of living organisms, according to scientists, will become extinct.

Interesting facts about animals

The animal kingdom is beautiful and amazing. It has tame otters, powerful eels, singing whales, giggling rats, sex-changing oysters, and many other equally amazing representatives. Here are some facts about animals that your child will surely enjoy:

• Octopuses have three hearts. An even stranger fact: lobsters have their urinary tracts on their faces, while turtles breathe through their anus.
• In seahorses, males produce offspring, not females.
• The kakapo parrot has a strong, pungent odor that attracts predators. That is why kakapo are under the threat of extinction.
• A squirrel plants more trees than the average person in a lifetime. How can this be? The fact is that squirrels hide acorns and nuts underground, and then forget exactly where they hid them.
• Lions are hunted mainly by lionesses. Lions intervene only when necessary.

Interesting Plant Facts

Plants green our planet, produce oxygen, make the Earth habitable. Trees and plants are probably the most useful among the living inhabitants of the Earth. Here are some interesting facts about plants:

• Like humans, plants recognize other plants of their species.
• In total, there are more than 80,000 edible plants on Earth. Of these, we eat about 30.
• Humanity is rapidly destroying forests. About 80% of all forests have already been destroyed.
• The oldest tree in the world (sequoia) is located in the USA, in the state of California. His age is 4843 years.
• The height of the tallest tree in the world is 113 m. It is also located in California.
• The largest tree in the world is an aspen growing in the USA, in the state of Utah. Its weight is 6,000 tons.

Facts about space

The sun, stars, planets, the Milky Way, constellations, and everything in the universe is located in vacuum space. We call it space. Here are some interesting facts about him:

• The Earth is tiny compared to the Sun, which is 300,000 times larger.
• The entire cosmos is absolutely silent, because sound does not propagate in a vacuum.
• Venus is the hottest planet in the solar system. The temperature on the surface of Venus is 450°C.
• The force of gravity changes the weight of a person on different planets. For example, the force of gravity on Mars is lower than on Earth, so an 80 kg person on Mars would only weigh 31 kg.
• Since there is no atmosphere or water on the Moon, nothing can erase the traces of the astronauts who set foot on its surface. Therefore, traces will probably remain here for another hundred million years.
• The temperature of the core of the Sun - the closest star to the Earth - is 15 million degrees Celsius.

Facts about famous scientists

For a long time, people thought that the Earth was flat, that the change of seasons depended on the mood of the gods, and that evil spirits caused illness. This continued until the great scientists proved otherwise. Without them, we would still be living in ignorance.

• Albert Einstein was a genius, but his talents were revealed rather late. After the death of the scientist, his brain was the object of numerous studies.
• Nicolaus Copernicus refuted the theory that the Earth is the center of the universe. He developed a model of the solar system, in the center of which is the Sun.
• Leonardo da Vinci was not only an artist. He was also an outstanding mathematician, scientist, writer and even a musician.
• Archimedes invented the law of fluid displacement while taking a bath. It's funny that, according to legend, he jumped out of the bath with a cry of "Eureka!" He was so excited that he forgot that he had no clothes on.
• Marie Curie, the woman chemist who discovered radium, was the first person in the world to win the Nobel Prize twice.

Scientific facts from the world of technology

Technology is the engine of progress. We are so dependent on technology in everyday life that it is even scary. We offer some interesting facts about the technical devices that we encounter on a daily basis:

• The first computer game appeared in 1967. It was called "brown box" (translated from English - "brown box"), because that's what it looked like.
• The world's first computer, ENIAC, weighed over 27 tons and occupied an entire room.
• The Internet and the World Wide Web are not the same thing.
• Robotics is one of the most relevant scientific fields today. However, back in 1495, Leonardo da Vinci drew the world's first diagram of a robot.
• The Camera Obscura is a prototype camera that influenced the development of photography. It was used in Ancient Greece and China for projecting images onto a screen.
• There is an interesting technology in which plant waste is used to generate methane, which, in turn, can be used to generate electricity.

Scientific facts from the engineering industry

Engineering helps create beautiful things - from houses and cars to electronic gadgets.

• The highest bridge in the world is the Millau Viaduct in France. It is located at an altitude of 245 m, supported by beams suspended on cables.
• The Palm Islands in Dubai can be called a modern wonder of the world. These are man-made islands floating on the water.
• The world's largest particle accelerator is located in Geneva. It was built to assist the research of more than 10,000 scientists and is located in an underground tunnel.
• The Chandra Space Observatory is the world's largest X-ray telescope. It is also the largest satellite launched into space.
• Today, the most ambitious project in the world is the New Valley in Egypt. Engineers are trying to turn millions of hectares of desert into farmland. Imagine what would happen if we could green the Earth in the same way! Our planet would return to its original purity!

Science is a wonderful field of study that inspires many people. All you need to do is get your child interested in it. And who knows, maybe your child will grow up to be a second Einstein.

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Teachers can use this material in the preparation and conduct of a wide variety of events: competitions and quizzes, thematic classes and conversations, messages, oral journals, “Amazing is near” reviews, etc.

Information of a cognitive plan is designed to interest students and expand their horizons. The material was prepared according to various sources: popular science and children's fiction, scientific and educational journals, periodicals.

. Where is the center of Russia?

According to geographers, the center of Russia is located in the Krasnoyarsk Territory, southeast of the city of Norilsk. They decided to mark the center of Russia with a seven-meter obelisk with a double-headed eagle on top.

. Can animals dance?

Many animals are excellent dancers. A ballet couple is reminiscent of storks during a mating dance. Cabbage butterflies merrily curl around each other. Going through all eight legs, the spiders give out dashing knees and jumps. Small seahorses, slowly approaching and dispersing, bow, as if performing a square dance, or begin to slowly and smoothly spin in a waltz. Night moths resemble lungs fluttering around the stage in the beams of spotlights of little dancers.

. Did the real Ilya Muromets ever live?

According to the folk calendar, September 28 according to the old style (or October 11 according to the new one) is the day of Ilya Muromets, who was considered a historical figure and was revered as a people's intercessor. Epics, unlike fairy tales (fiction), are based on real historical events. Historians do not deny that the epic hero Ilya Muromets could have a real prototype.

Ilya accomplished many feats, protecting the Russian land. And the hero was born not far from the glorious city of Murom in the village of Karacharovo, hence he got his nickname - Muromets.

Now the city of Murom is located in the Vladimir region, and the village has survived like this - Karacharovo. The bed (now dried up) of the Oka River has also been preserved, which, according to legend, was once filled up with stones by a young man, trying his valiant strength. And modern Karacharians sincerely consider themselves descendants of Ilya Muromets, who lived, presumably, in the 13th century. From the legends, we learn that the hero was a believer - after the end of military service, he gave everything he acquired to temples and devoted himself to serving God. He traveled a lot in Rus', and ended his life in the Kiev-Pechersk monastery. In the ancient chronicles that have come down to us, it is said about the Monk Ilya Muromets, nicknamed Chobotok, whose biography is similar to the life and exploits mentioned in the legends about the Russian hero Ilya Muromets.

The chronicles also say that the relics of the famous hero are buried in the Kiev-Pechersk Lavra. In the last century, historians decided to check the authenticity of the document and examined the approximate burial sites. In one of the tombs, the remains of a broad-shouldered, heroic build of a warrior were found. True, his height was slightly above average - 177 cm. But in the old days, Russians rarely outgrew over 160 cm. Therefore, by those standards, the deceased looked like a giant.

Judging by the remains, the warrior had a severe curvature of the spine in the lumbar region. From epics, we know that Ilya sat on the stove for almost 33 years, he was healed by passers-by, and blessed for military deeds. The hero participated in many battles. The desiccated body of the found warrior retained traces of many wounds, and he died, presumably, from a mortal wound with a dagger or spear at the age of fifty.

The notes of the pilgrim Leonty, preserved from the 13th century, tell us about how he visited the last monastery of Elijah of Muromets: “I saw the brave warrior Elijah of Muromets in incorruption, under the cover of gold. He is tall like today's large people, his left hand is pierced with a spear, and his right hand depicts the sign of the cross ... ".

The Orthodox Church canonized the hero as a saint, and the memory of the Monk Elijah of Muromets is celebrated, according to church canons, on December 19.

. What did Sadko play?

We all remember the epic about the Novgorod gusli Sadko. Historians even managed to find a prototype of the epic hero: the chronicles preserved information about Sotko Sytinich, who lived in the second half of the 12th century. But what Sadko's harp looked like remained a mystery for a long time. Approximately 30 years ago, during excavations in Novgorod, archaeologists unearthed an unusually shaped wooden box decorated with carvings from the layers of the 12th century. According to its shape, according to the hole for the pegs, scientists determined: this is the ancient harp.

. How old is the anthology?

The first anthology appeared around the 4th century AD, thanks to the Greek grammarian Helladius. It consisted of excerpts from the works of many Greek writers, "useful for learning." Since then, all collections of scientific and literary works “useful for learning” have been called anthologies.

. Do fairy tales come true?

Many fairy tales talk about how one or another fairy-tale character hears and sees thousands of miles away. Today this is done with radio, radar, television, satellite dish, etc.

Remember the "dead" and "living" water? He “took” dead water and grew old, decrepit, lost his vitality ... Guess what we are talking about? Of course, about alcoholism and drug addiction!

“Living” water in our real life can be considered healing tinctures on various plants: ginseng root, leaves of Rhodiola rosea, etc. They cure many ailments, expel an old disease, give strength and energy, cleanse our body of harmful substances, etc.

In fairy tales, only an experienced magician or sorcerer can make it rain. According to ancient beliefs, this was part of the direct duties of the pagan deity Dazhdbog, then the Thunderer Elijah and other saints. Today man has learned not only this. Rain is produced by carbon dioxide launched by a rocket into a thundercloud. With the help of aircraft, they learned to disperse thunderclouds.

Just like in fairy tales, modern "alchemists" (doctors) have learned to bring people back to life. Temporary cardiac arrest for 7-10 minutes, that is, clinical death, is now reversible.

. Science fiction ideas - myth or reality?

Scientists have calculated that out of 108 fantastic ideas of Jules Verne, only 10 turned out to be unrealized, out of 86 ideas of G. Wells - 9, and out of 50 ideas of Alexander Belyaev - only 3.

The most striking example of scientific foresight was shown by our great compatriot Konstantin Eduardovich Tsiolkovsky. According to cosmonaut Yuri Gagarin, the scientist described even the sensations of a person in a state of weightlessness with amazing accuracy.

. What do gnomes eat?

Everyone knows the healing properties of carrots. Did you know that in the Middle Ages, carrots were considered a delicacy of gnomes - fabulous little forest men?

There was a belief: if you take a bowl of steamed carrots to the forest in the evening, then in the morning you can find a gold bar instead of carrots. At night, the gnomes will eat carrots and pay generously for their favorite food.

Try to feed the little people, maybe you will be lucky. But a miracle will happen only if you believe in fairy tales and magic.

. When did carrots appear?

Carrots as a cultivated plant began to be grown in different parts of the globe long before our era. This is proven by archaeological finds. The fossilized carrot was found in piled buildings near Bern in Switzerland. Experts believe that it has lain there for at least 30-40 centuries.

Over the years of cultural cultivation, the appearance of this vegetable has changed. Carrots changed their yellow color to orange and red, became more juicy and sweet, and vitamins in it increased significantly, there was more carotene.

Especially a lot of it in red varieties of carrots. The most valuable nutrients in carrots not only stimulate growth and improve eyesight, but also cure many diseases. So eat more carrots - you will be cheerful, cheerful and healthy!

. Can animals make nests?

Quite. For example, fish. In warm tropical seas, many of them weave nests from algae, thereby protecting their future offspring - first eggs, then fry. Often, enterprising fish, for greater strength and protection, surround their nest with pebbles and shells, turning the temporary home of their offspring into a real fortress.

. What should you take into account the ancient schoolchildren?

What knowledge should the Alexandrian schoolchildren have 2000 years ago? First, to know the names of famous people: legislators who proposed useful laws, sculptors, artists, inventors of machines and mechanisms. In addition, they were required to know the islands of the Mediterranean, the mountains and rivers of Europe, Asia and Africa, as well as the seven famous wonders of the world. In a document found during excavations in Alexandria - a papyrus with ancient Greek inscriptions - it was especially emphasized that all these miracles were created by the mind and hands of man.

. About the seven wonders of the world.

Every modern student should have an idea about the seven wonders of the world. "Seven Wonders of the World" - so called in ancient times seven works of architecture and sculpture, surpassing all others in size, shape, decoration, and so on.

The first wonder of the world is the Temple of Artemis at Ephesus.

The second wonder of the world is the statue of Zeus at Olympia by Phidias.

Third - the Colossus of Rhodes - a huge copper statue of the god Helios (over 70 meters high), erected by the Greeks 300 years BC. e. at the entrance to the harbor on the island of Rhodes.

The fourth is the pyramid-tomb of the Egyptian pharaoh Cheops, built more than two thousand years BC. e. on the west bank of the Nile.

Fifth - the hanging gardens of the Babylonian Queen Semiramis.

The sixth is the tombstone of the Carian king Mausolus in Halicarnassus, erected in 351 BC. e. (length 37.5 meters, width 26.5 meters, height 42 meters). For fifteen centuries (until it was destroyed by an earthquake), this structure aroused general astonishment. From him came the word "mausoleum" to designate outstanding tombstones;

And, finally, the seventh wonder of the world - the lighthouse tower, erected at the end of the 3rd century BC. e. on the island of Pharos at the mouth of the Nile near Alexandria and had about 180 meters in height.

. When did ice cream appear in Rus'?

A long time ago. Only the ancient ice cream was very different from the modern one in its appearance and taste. Our ancestors sculpted various funny figures from cottage cheese with sour cream and sweets and put them out in the cold. But more and more peasant people enjoyed such ice cream in the villages. In rich houses, ice cream was served no worse than now. The historical fact of the use of ice cream for insidious and ingenious purposes is known. The future Empress Catherine II, on the eve of the palace coup, lured Emperor Peter III to her, promising to treat him to this cold delicacy.

Scientists have not yet been able to establish the exact date of the appearance of ice cream. It is known only from the chronicles that have come down to us that Alexander the Great liked to treat himself to fruit juice with snow, which was specially delivered to him in Persia. A similar product is described by Hippocrates. Ice mixtures were adored in the time of Nero. From ancient China, the Venetian traveler Marco Polo brought the recipe for ice cream to Europe. At first, the delicacy was available only to very rich nobility. The recipe for making ice cream was kept in great secret, for the disclosure of which the death penalty threatened.

In 1851 in America, in the city of Baltimore, the world's first ice cream factory was built.

. Why is Eskimo called "Eskimo"?

This cold delicacy is almost 85 years old, and all mankind owes its appearance to the French. One of the founders of the company, which was engaged in the production of cheeses, Charles Gervais, after a trip to America and acquaintance with American popsicles, came up with the idea to fill the bar with chocolate and "plant" it on a stick.

At first, ice cream was nameless, that is, it did not have a special name. It appeared only after Gervais began selling his "invention" in one of the few cinemas in Paris at that time, where for a long time there was a film about the Arctic and the Eskimos living in it.

Soon this cinema became known to all residents of the French capital, and ice cream from the light hand of one of the Parisian wits began to be called "eskimo".

. What is a teacher?

Translated from Greek, the word "teacher" means "guide to the child." In ancient times, the duties of a teacher included accompanying the offspring of noble parents from home to the gymnasium. He made sure that the ward came to class on time, waited for him until the end of classes and took him back.

. Do cows love music?

Recently, American scientists conducted a series of experiments to find out whether cows react to music, and came up with amazing results. It turned out that cows not only love music, but also have a delicate taste. So, to the sounds of classical music, milk yield increases by 5-10%, while animals are completely indifferent to modern music.

. Are there monuments to animals?

Exist. Many animals have merits before mankind. For example, in the USA, Holland, Denmark and Romania there are monuments to a cow, and in Paris and Tokyo - to a frog. In Russia, in St. Petersburg, there is a life-size monument to a small siskin, in Saratov, a monument to a bull was recently erected, and in Uryupinsk - to a goat.

. Who came up with the day off?

Really - who? It is believed that the first "inventors" of the seven-day week with one day of rest were the Babylonians. On this day, the inhabitants of the country were supposed to perform religious rites and avoid physical labor.