Presentation on the theme green sea. Seas of Russia
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Black Sea
and its inhabitants
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The Black Sea is located in the depths of the Eurasian continent and is an inland sea of the Atlantic Ocean. The average depth of the Black Sea is 1300 m, and the maximum depth reaches 2211 m. Area - 422 thousand sq. km. The waters of the Black Sea wash the shores of many countries: Russia, Ukraine, Bulgaria, Turkey, Romania and Georgia. The salinity of water in the Black Sea is significantly lower than in other seas.
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Not a single sea on Earth is divided in depth into two zones - oxygen (up to a depth of 150-200 m) and hydrogen sulfide devoid of life (below 200 m), occupying 87% of its water mass. Animals and plants have only 13% of the volume of water at their disposal.
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- Stone crab prefers rocky bottom
- Grass crab lives in algae
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There are approximately 180 species of fish that live in the Black Sea.
Bull hides in a hole
- Scorpionfish spines are poisonous
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Dogs often live in rapana shells
Rock perches are very curious
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The stargazer or sea cow is very poisonous
Night coloration of red mullet
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The sea dragon is very poisonous
The pipefish and seahorse differ from other fish in that their females spawn eggs not into the water, but into special folds of skin on the back of the males, and the males carry the eggs until the fry hatch.
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Mackerel fry find refuge under the dome of the cornet
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History of the Black Sea Each sea, like each person, has its own image, character, habits, and finally, history. The Black Sea has something to be proud of. Over millions of years, it has repeatedly changed its appearance: it became either a lake or a sea. And it all started like this... *
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History of the Black Sea Tens of millions of years ago, in the area of the modern seas of the Mediterranean, Marmara, Black, Azov, Caspian and Aral Sea, the bay of the ancient huge Tethys Sea stretched. *
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History of the Black Sea The bay consisted of two parts, western and eastern. The western part was salty, and the eastern part was desalinated, since many rivers flowed into it. Terrible, monstrous prehistoric fish and lizards reigned in its depths. *
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History of the Black Sea in diagrams * As a result of the formation of giant mountain ranges, the Tethys Ocean disintegrated. On the site of the present Black Sea, a closed, freshwater Sarmatian Sea-lake was formed, and it was during this period that freshwater flora and fauna developed in it, the remains of which have been preserved to this day. Crimea and the Caucasus were islands in the Sarmatian Sea. Later, a connection with the ocean reappeared, the salty Meotic Sea was formed, and marine animals and plants populated it; at that time there were even huge whales here - now paleontologists are digging up their skeletons, etc.
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History of the Black Sea The last change in the sea occurred approximately 8 thousand years ago and was catastrophic. A powerful earthquake split the land. The modern Bosphorus Strait emerged. *
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History of the Black Sea Huge masses of salty Mediterranean water rushed into the Black Sea basin, causing the death of a huge number of freshwater inhabitants. So many of them died that the decomposition of the remains of their organisms in the depths of the sea, deprived of oxygen, created that initial supply of hydrogen sulfide, which continues to exist to this day. The Black Sea became the “Sea of Dead Depths”. * Map of the Black Sea 1590
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History of the Black Sea Historians believe that this entire cataclysm took place before the eyes of the people who lived here. Are these events the global flood? After all, as you know, Noah moored his ark to the Caucasian Mount Ararat, which then could well have looked like an island in the raging stream of the confluence of two seas. *
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Recent history of the Black Sea * Now nature has taken a time out. There is only a very slow rise of the mountains surrounding the sea - a few centimeters per century. The mountains are growing, but the sea is also advancing. Moreover, it comes faster than the mountains rise - 20-25 centimeters per century. It might not seem like much, but the ancient cities of Taman have already disappeared to the bottom of the sea.
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A brief history of the peoples of the Black Sea * The emerald waters of the Black Sea preserve the memory of great peoples and great achievements. In ancient times, the legendary Argonauts sailed across the Black Sea in search of the Golden Fleece.
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Why was the sea called Black? * There are a number of hypotheses regarding the reasons for the appearance of this name: The Turks and other conquerors, who tried to conquer the population of the sea coast, met fierce resistance from the Circassians, Circassians and other tribes, for which they called the sea Karadengiz - Black, inhospitable.
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Why was the sea called Black? * Another reason, according to some researchers, may be the fact that during storms the water in the sea becomes very dark. However, storms in the Black Sea are not too frequent, and the water darkens during storms in all the seas of the earth.
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Why was the sea called Black? * Another hypothesis for the origin of the name is based on the fact that metal objects (for example, anchors) lowered into sea water deeper than 150 meters for a long time became covered with a black coating due to the action of hydrogen sulfide.
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Why was the sea called Black? * One of the most common hypotheses is the assumption that the name is associated with memories of the breakthrough of the Bosphorus 7500-5000 years ago, which resulted in a catastrophic rise in sea level by almost 100 meters, which in turn led to the flooding of a vast shelf zone and the formation of the Azov Sea seas.
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Why was the sea called Black? * There is a Turkish legend, according to which a heroic sword rests in the waters of the Black Sea, which was thrown there at the request of the dying wizard Ali. Because of this, the sea is agitated, trying to throw out deadly weapons from its depths, and turns black.
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Flora and fauna of the Black Sea * The flora of the Black Sea includes 270 species of multicellular green, brown, and red bottom algae.
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Flora and fauna of the Black Sea * At the bottom of the Black Sea live mussels, oysters, pecten, as well as the predator mollusk rapana, brought with ships from the Far East. Numerous crabs live in the crevices of the coastal rocks and among the stones, there are shrimps, various types of jellyfish are found (the most common are Corneros and Aurelia), sea anemones, and sponges.
Parts of the World Ocean. Today in class. Let's remember! Let's find out! Let's learn how to do it! What is the World Ocean? Let's learn to designate parts of the World Ocean on a map. Land in the ocean. Continents. Peninsulas. Islands. Archipelagos. Show us the oceans. Find on the map: Inland Sea - Black. The marginal sea is the Barents Sea. Seas of the Arctic Ocean. Barents Kara Laptev Chukotka East Siberian and others. Seas of the Pacific Ocean. Bering, Okhotsk, South China, Philippines. Seas of the Indian Ocean. Red Arabian and other seas of the Atlantic Ocean. Black, Mediterranean, Norwegian, Northern Baltic Caribbean. - Sea ocean.ppt
Sea
Slides: 18 Words: 295 Sounds: 1 Effects: 19Presentation for the lesson. Lesson: Objectives: The world around us. Topic: Life of the sea. Expand the concept - natural community of the sea. Introduce the flora and fauna of the sea. Learn to work with additional literature and improve your speech. Develop observation skills, ability to analyze, classify, generalize. Equipment: Video films: “Take a closer look and be surprised” author: Zobnina L.M. “Animals of the seas and oceans” Internet. Journey. According to natural ones. Communities. Think about it! Complete the definition. Mountains. Oceans. Sea. Identify the seas of the Arctic Ocean. 1.Climatic conditions. 2.Flora world. 3. Animal world. - Sea.ppt
Life of the sea
Slides: 31 Words: 756 Sounds: 0 Effects: 0What is the sea? The Black Sea is alive! Sea life. We start with observations and collection of material in nature. We continue - in the classroom, in the building, at the lights, and other camp activities. To know and love the living sea. The sea will begin at sea - and will be - the entire shift. Some will see and understand more, others less. Learn to dive! Rules for observation at sea. Keep quiet! – fish hear in water better than we see. Swim one by one, two by two 2. Observation is not hunting. We hunt with our eyes. Study. But serious - it could turn out to be a real study. First, think about what is more interesting to you. Secondly, find the problem - the riddle - the question. - Life of the sea.ppt
Sea inhabitants
Slides: 19 Words: 485 Sounds: 0 Effects: 233Checking homework. The roots penetrate deep into the soil. The trunk is squat, creeping. The roots are located at the surface of the soil. The leaves often look like thorns. Many plants are evergreen. There are “multi-story” plants. 2. In what natural zone do the named animals and plants live? Mark the extra ones. Camel, monitor lizard, deer, scorpion -. Lemming, arctic fox, deer, lynx –. Bustard, gopher, brown bear, kulan -. Elk, black grouse, donkey, capercaillie, sable -. Desert zone. Tundra zone. Steppe zone. Forest zone. Spruce, pine, palm, larch, fir -. Wormwood, feather grass, bluegrass, tulip -. Saxaul, solyanka, oak, acacia, poppy. - Sea Inhabitants.ppt
Seas of Russia
Slides: 62 Words: 670 Sounds: 60 Effects: 61Who want to be a millionaire? Seas washing the territory of Russia. The largest and deepest sea off the coast of Russia? The shallowest sea on Earth and the smallest in area? The cleanest sea off the coast of Russia? The coldest Arctic sea? The largest island in Russia. A Novaya Zemlya B Sakhalin C Wrangel D Severnaya Zemlya. In 1984, in accordance with the rules of law, an economic zone was established with a width of. The outskirts are the sea. Of the seas of the Arctic Ocean, only . The highest tide height in the sea. Typhoons and tsunamis occur in the seas. The warmest sea in Russia. - Seas of Russia.ppt
Seas and rivers of Russia
Slides: 33 Words: 363 Sounds: 0 Effects: 159Seas, lakes and rivers of Russia. Oceans. Atlantic Ocean. Arctic Ocean. Pacific Ocean. Seas of the Pacific Ocean. Seas of the Arctic Ocean. Chukchi Sea. Kara Sea. The seas are cold. Seas of the Atlantic Ocean. Black Sea. Baltic Sea. How many lakes are there on earth? "Blue eyes of the planet." The largest lakes in Europe. Lake Peipus. Caspian lake. Which lake is the largest? Caspian lake-sea. She runs in the summer, sleeps in the winter, spring has come and she runs again. Rivers of the East European Plain. Kama. Rivers of the West Siberian Plain. Rivers of the Central Siberian Plateau. Far Eastern Marine Reserve. - Seas and rivers of Russia.ppt
Seas, lakes and rivers of Russia
Slides: 26 Words: 984 Sounds: 0 Effects: 196LESSON ON SUBJECT: “The world around us.” Good afternoon dear friends! Testing knowledge and skills. Continue the statement: East European Plain. West Siberian Plain. Central Siberian Plateau. Level. Seas. Ural mountains. Caucasus Mountains. Sayans. Altai. Volcanoes of Kamchatka. Working on a new topic. We have transport. Are you ready to travel across the country's waters? Correct answers to the traveler's questions give the right to move on. Physical education minute. And now our path lies to the lakes of the country. What lakes are you familiar with? Find Lake Baikal on the map. Show Lake Baikal and the Caspian Lake-Sea on the map. - Seas, lakes and rivers of Russia.ppt
Aral Sea
Slides: 12 Words: 599 Sounds: 0 Effects: 13Aral Sea. The Aral is an endorheic salt lake-sea in Uzbekistan and Kazakhstan. Map of the Aral Sea. Images from space show the process of drying out of the Aral Sea from 1977 to 1995. Degradation of the Aral Sea. Dust storms carry salt, dust and toxic chemicals up to 500 km. In 2001, as a result of a drop in water level, Vozrozhdenie Island connected with the mainland. Degradation of the Aral region. - Aral Sea.ppt
Black Sea
Slides: 8 Words: 225 Sounds: 0 Effects: 32Black Sea. Coast. Flora of the sea. The phytoplankton of the Black Sea contains at least six hundred species. Life of the sea. Among the main reasons for the relative poverty of marine wildlife: Geography. The only large peninsula is Crimean. In the north and northwest, estuaries overflow at the confluence of rivers. The total length of the coastline is 3400 km. There are few islands in the Black Sea. Black Sea coast. The Black Sea in art. The National Art Gallery named after I.K. Aivazovsky operates in Feodosia. Gorky), as well as other film companies. Painting by I. Azovsky “Black Sea”. Azovsky’s painting “The Black Sea” was created in 1881. - Black Sea.ppt
Black Sea of Russia
Slides: 15 Words: 344 Sounds: 0 Effects: 62Near the Black Sea. Subtropics in our country occupy a small area. The climate in the subtropics is much warmer than in the temperate zone. The flora is rich and diverse. Important cultivated plants of the Caucasian subtropics. The fauna of the Black Sea coast is rich and diverse. Various birds get their food in the sea. The inhabitants of the deep sea are amazing and unique. Many different insects. The beautiful shores of the Black Sea attract vacationers. Black Sea coast of the Caucasus. Cicadas, praying mantises, locusts. Goodbye sea! I will not forget your solemn beauty. - Black Sea of Russia.ppt
Information about the Black Sea
Slides: 33 Words: 319 Sounds: 0 Effects: 0The Black Sea is mine. The theme of the extracurricular event is “The Black Sea is mine.” During the classes. Location of the Black Sea and Sochi. Storm on the Black Sea. Sea in calm weather. Black Sea in calm weather. Sea bathing is good for your health. Walks by the sea. Diversity of inhabitants of the underwater world of the Black Sea. Dolphins are the largest inhabitants of the Black Sea. Dolphins are friendly to humans and easy to train. Jellyfish, various species, including poisonous ones. Jellyfish. Poisonous jellyfish. Red mullet, Black Sea herring, horse mackerel live in schools. A flock of horse mackerel. Black Sea herring. - Information about the Black Sea.ppt
Dead Sea
Slides: 15 Words: 349 Sounds: 0 Effects: 4Dead Sea. Find interesting information about the Dead Sea. The length of the lake is 67 km, width 18 km at its widest point, maximum depth 378 m. The coast of the lake is the lowest piece of land on Earth. In 1977, due to drainage, the sea was divided into two parts, northern and southern. The drop in water level led to the formation of underground cavities and subsidence of the soil. A case of a sinkhole occurring immediately after a tourist bus passed by was recorded. Luckily, none of the passengers were injured. Until now, three people have become victims of failures. Ecology. -