Практика Shadowing: What is Plate Tectonics: Crash Course Geology #10 - Изучайте разговорный английский по видео
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Almost.
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All the planets, earthquakes, and volcanic eruptions happen in one place: the Ring of Fire!
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No, really.
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That's what it's called.
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Dope, I know!
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Nearly the whole Pacific Ocean is bordered by this treacherous region.
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We're talking the sights of some of the biggest earthquakes ever recorded.
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Massive volcanoes in Indonesia, Russia, even Antarctica.
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Huge explosions and fractures that happened on land and underwater.
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you But why?
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What makes the Ring of Fire so...
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fiery.
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Hi, I'm Sage, and this is Crash Course Geology.
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The Ring of Fire came about thanks to a billions of years -long process, where all the continents, all the ocean floors,
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Everything that makes up Earth's outermost layer shifts around, pulling apart, crashing into each other, What's that, Dwayne?
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Oh yeah, that does sound like one of your family reunions.
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Let's break down how all that works.
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Earth has three main layers: crust, mantle, and core.
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Its rigid outer shell, called the lithosphere, is made up of the crust, and the uppermost part of the mantle.
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But the lithosphere isn't just one solid piece of Earth.
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It's broken up into plates: huge slabs of rock that are puzzle pieced together.
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They're generally composed of both continental lithosphere, which makes up the land we can see, and oceanic lithosphere, which makes up the seafloor.
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Continental lithosphere is made up of mostly thick, lightweight granite, while oceanic lithosphere is made of denser, heavier rocks like basalt and gabbro.
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Roughly 95 % of Earth's surface is made up of seven major plates, with the rest covered by much smaller ones.
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And underneath those plates is the asthenosphere, where intense heat from Earth's core warms up the mantle rock so much that they flow around and bend like taffy.
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convection currents, or heat -based flow cycles.
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And those currents power important forces that move Earth's plates and one big geologic slow dance called plate tectonics.
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Plate tectonics shapes our world, literally.
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And all the action happens where plates meet: at their edges, called plate boundaries.
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Like, at divergent boundaries, plates move away from each other.
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As oceanic plates diverge, the hot mantle rock wells upward and some erupts as lava, which cools and hardens into new oceanic crust.
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This process is called seafloor spreading, and it's mainly generated by ridge push, downward and pushes away the older crust.
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When continental plates diverge, the Earth's crust thins and breaks apart, creating features called rift valleys.
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We can see this happening in East Africa, where the Nubian and Somalian plates started pulling apart about 25 million years ago.
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Meanwhile, at convergent boundaries, plates move toward each other.
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When a dense oceanic plate meets a more buoyant continental plate, a process called subduction happens.
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The denser plate slides underneath the other one, returning that rock to the mantle.
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This is primarily thanks to slab pole, the gravitational force that yanks plates downward.
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And this is largely what happens in the Ring of Fire: it's full of subduction zones.
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As the oceanic plates slide deep underground, they release water into the hot rocks above, which has an explosive result.
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tons of volcanic activity.
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And if two dense oceanic plates meet at a convergent boundary, subduction can create huge depressions in the surface, like the Ring of Fire's Mariana Trench,
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which contains the deepest point in the world.
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It's on Dwayne's bucket list.
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Now, when two continental plates converge, watch out!
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Because instead of subducting, they'll smash into each other, forming massive mountain ranges like the Alps and the Himalayas.
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When continental plates converge with oceanic ones, the continental plate usually wins, staying on the surface as the denser stuff is forced down.
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But it's not always a competition.
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Sometimes, plates move past each other, at spots called transform boundaries.
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You can think of these plates like pieces of sandpaper.
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They don't easily slide past each other.
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Eventually that stress reaches a point where the ground moves with a jolt, aka an earthquake.
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The San Andreas Fault in California is a transform boundary that has had many earthquakes, like the Loma Prieta earthquake in 1989, which folks in my neck of the woods still talk about.
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But that kind of ground rattling can happen at all types of plate boundaries when there's enough stress.
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Plate movements have shaped what the Earth's surface looks like throughout our planet's history.
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In fact, at multiple times in Earth's past, the shifting tectonic plates have caused all the continents to collide and form one giant supercontinent,
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the most recent hundred million years ago.
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It's like seeing Earth in her awkward phase.
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So yeah, plate tectonics has been happening for a long time,
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keeping the Earth's surface in constant motion for something like three billion years.
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The continents move an average of about 1 .5 centimeters a year.
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That means that, in all of recorded human history, the ground below you has shifted probably about...
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76 meters.
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That's only about as wide as a professional soccer field.
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That creeping movement is way too slow to feel.
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So, How do we know it's actually happening?
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Way back in the 1910s, German geologist Alfred Wegener looked at a map of the world and noticed that the continents looked like they fit together, almost like puzzle pieces.
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And he built a theory to explain what he was seeing: continental drift.
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He believed that the continents were moving slowly around the Earth, together and apart, drifting through the crust like icebergs in the ocean.
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He's even credited with coming up with the name Pangaea, meaning "all of the Earth." But the geological community dunked on Wegener pretty hard.
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that the continents formed and moved vertically, not horizontally, driven by the heating and cooling of Earth's surface way back when it formed.
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But Wechner was on to something.
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And his idea laid a foundation that other geologists built on.
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Let's hang out with some of my geology rock stars!
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For a long time, we had no clue what the seafloor looked like.
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Most geologists thought it was just flat.
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In the 1950s and '60s, American geologist Marie Tharp and her collaborator Bruce Heazen used sonar to map it.
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Given the culture at the time, Bruce got to gather data aboard research ships, while Marie was forced to stay on land and make maps.
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'cause she was a lady.
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With pens, ink, and rulers as her tools, she and her colleague, Hester Herring, methodically plotted each data point.
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And what the team discovered was incredible.
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Not a flat, barren wasteland, but a 40 ,000 -mile underwater mountain range that circled the globe like a seam on a baseball.
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This was a major point in favor of plate tectonics theory.
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Over the course of several years, Tharp and Hiesen worked with Austrian artist Heinrich Barron to paint an accurate map of the entire seafloor.
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And in 1977, The World Ocean Floor Panorama was published.
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Twenty years later, Tharp was named one of the four greatest cartographers of the 20th century by the Library of Congress.
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In 1999, Tharp said that at the start, "I had a blank canvas to fill with extraordinary possibilities.
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And she did just that.
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It took decades and many lines of evidence for the theory of plate tectonics to develop and gain consensus.
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But the combined efforts of geologists across the world brought us to the conclusion that really does move underneath our feet.
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And that consensus didn't look like a bunch of geologists saying, "Eh, Sounds about right.
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Science historian Naomi Oreskes called it:
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"The first theory to ever be accepted in the entire history of Earth science." Can you imagine that level of harmony?
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It'd be like if every film critic agreed on the best movie ever made.
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Dwayne's favorite?
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Shrek 2.
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Today, we know that plate tectonics shape the planet we know and love.
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It's why Europe is warm enough for people to live there, while Antarctica is uninhabitable.
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Unless you count the penguins.
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Regardless, Knowing about plate tectonics helps us prepare our communities for disasters like volcanic eruptions, earthquakes, and tsunamis.
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And it gives us a window into Earth's past.
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Earth's plates are still moving.
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Right now!
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And we're still learning more about them.
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Like, We don't know exactly what our planet will look like in the distant future.
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Some predict that 250 million years from now, Earth may be home to another supercontinent, similar to good ol' Pangaea.
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And we don't know how long plate tectonics will last.
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One day, when the Earth gets old enough to cool way down inside, plate tectonics will come to a stop.
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reshaping the world in a big way one last time.
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That could look like mountains eroding into plateaus, Earth's magnetic field stripping away, and continents sinking into the ocean.
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But that's potentially billions of years away.
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Plate tectonics isn't going anywhere anytime soon, and neither is our massive, magnificent planet.
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Our planet moves us.
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And not just in the tear -jerking "Wow, Earth really is something" kind of way.
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The land beneath us is constantly shifting, creating something new every day, albeit very slowly.
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Go at your own pace, girl.
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As long as the sea floor keeps spreading and gravity keeps pulling, Earth's plates will be carrying us around, shaping and reshaping the world as we know it.
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Next time?
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We'll talk about how plate tectonics builds mountains.
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See you then!
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Контекст и фон
Видео "Что такое тектоника плит: Crash Course Geology #10" обсуждает явления, происходящие на нашей планете в связи с движением тектонических плит. Рассматриваются такие природные процессы, как землетрясения и вулканические извержения, особенно в области, известной как Огненное кольцо. Спикер, по имени Сэйдж, объясняет, как движутся плиты и какие силы влияют на их расхождение и столкновение. Этот контекст поможет вам лучше понять специализированную лексику, относящуюся к геологии и тектонике плит, а также улучшить ваше произношение английского.
Топ-5 фраз для повседневного общения
- “We're talking the sights of some of the biggest earthquakes ever recorded.” - “Мы говорим о самых крупных землетрясениях, когда-либо зафиксированных.”
- “But why? What makes the Ring of Fire so... fiery?” - “Но почему? Что делает Огненное кольцо таким... огненным?”
- “This process is called seafloor spreading.” - “Этот процесс называется расширением морского дна.”
- “And if two dense oceanic plates meet at a convergent boundary...” - “И если две плотные океанические плиты встречаются на конвергентной границе...”
- “You can think of these plates like pieces of sandpaper.” - “Вы можете представить эти плиты как куски наждачной бумаги.”
Пошаговое руководство по шадовинг-технике
Чтобы эффективно использовать шадовинг-технику для улучшения вашего произношения английского и понимания геологических терминов, следуйте этому пошаговому руководству:
- Слушайте внимательно: Включите видео и постарайтесь улавливать ключевые моменты. Обратите внимание на произношение важных терминов, таких как "тектоника плит" и "Огненное кольцо".
- Повторение: Используйте метод shadow speak. Остановите видео после каждой фразы и повторите её, копируя интонацию и ритм спикера. Это поможет вам развить навыки shadowspeaks.
- Запись себя: Записывайте свой голос, когда повторяете фразы. Это позволит вам оценить, насколько ваше произношение стало лучше.
- Практика в контексте: Используйте выученные фразы в повседневных разговорах, чтобы укрепить память.
- Регулярные занятия: Занимайтесь каждый день, чтобы повысить уверенность и улучшить навыки shadow speech.
Следуя этим шагам, вы сможете не только улучшить произношение английского, но и расширить свой словарный запас в области геологии. Используйте шадовинг-методы, чтобы сделать процесс обучения более эффективным и увлекательным.
Грамматика в этом видео
Конструкции, которые говорящий использует чаще всего, с точными словами из видео:
| Конструкция | В видео |
|---|---|
| Пассивный залог be + причастие прошедшего времени — важно, что происходит, а не кто это делает | is bordered · is made · is called |
| Present Perfect have/has + причастие прошедшего времени — прошлое действие, важное сейчас | has had · have shaped · have caused |
| Придаточные определительные who / which + предложение — уточнение о человеке или предмете | lithosphere, which makes · above, which has |
Что такое техника Shadowing?
Shadowing — это научно обоснованная техника изучения языка, изначально разработанная для подготовки профессиональных переводчиков и популяризированная полиглотом доктором Александром Аргуэльесом. Метод прост, но эффективен: вы слушаете аудио на английском от носителей языка и немедленно повторяете вслух — как тень, следующая за говорящим с задержкой в 1–2 секунды. В отличие от пассивного прослушивания или грамматических упражнений, Shadowing заставляет мозг и мышцы рта одновременно обрабатывать и воспроизводить реальные речевые паттерны. Исследования показывают, что это значительно улучшает точность произношения, интонацию, ритм, связную речь, понимание на слух и беглость речи — что делает его одним из самых эффективных методов для подготовки к IELTS Speaking и реального общения на английском.