Prática de Shadowing: Drilling Hole in Earth? | What if We Dug a Hole Through The Earth? | Journey to the Earth’s Core - Aprenda a falar inglês com o YouTube

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All right little kitty tell me what's the quickest way to get from the North Pole to the South Pole?
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All right little kitty tell me what's the quickest way to get from the North Pole to the South Pole?
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I guess just dig a hole!
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Ha ha ha ha ha!
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Aha!
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Now, that is an interesting idea.
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But trust me, it's a journey packed with danger.
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Why?
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Ah, let me dig into that by answering a very deep question.
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What if you dug a hole through the earth?
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Zoom in!
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Imagine sitting on a specially built drill.
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Ready to boat through the earth from one side to the other
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At first it might seem like a thrilling idea
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Just dive into a tunnel free fall at incredible speeds
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and shoot out from the other side of the planet Like a human bullet
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But as cool as it sounds this journey is a recipe for disaster Let's break down why You see,
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Earth isn't just dirt and rock.
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It's a layered structure.
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Each layer more intense than the last.
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So the first challenge we'll be facing is drilling through the crust,
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the outermost layer, about 60 miles thick.
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This is where we live and even though it sounds manageable,
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digging deep is no easy task.
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The deepest hole ever drilled here is the Kola Superdeep Borehole in Russia
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which only reached 7.6 miles and And that's barely a scratch on the surface.
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Yes, go deeper and you'd face skyrocketing pressure.
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Four thousand times more than sea level.
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And temperatures hot enough to melt steel.
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But let's keep going through the crust and enter the mantle.
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A one thousand seven hundred and forty mile thick layer of molten rock rock and shifting tectonic plates.
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Temperatures here are so to over 2570 degrees Fahrenheit and a regular drill would melt instantly.
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So to survive this part of the journey,
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you'd need a drill made of incredibly tough materials like titanium.
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Next comes the outer core,
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a swirling sea of molten iron and nickel about 1800 miles below the surface.
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Temperatures here range between 7200 Fahrenheit and 9000 Fahrenheit.
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Basically, a giant ocean of lava.
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And because it's a liquid metal,
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digging through it would be like trying to carve a path through molten soup.
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Still, for the sake of imagination,
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let's say you keep going.
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If you somehow make it past the outer core,
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you'll reach the inner core.
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Here the pressure is over 350 million times what we experience on the surface.
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Even though temperatures remain scorching,
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the immense pressure keeps the iron and nickel solid.
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At this point, your drill would be under unimaginable stress,
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likely destroyed long before reaching the other side.
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But, let's suppose you manage to leave the inner core.
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As you pass the Earth's center,
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gravity starts pulling you back toward the side you originally came from from rather than continuing toward the other side.
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The further you move away from the center,
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the stronger gravity becomes making it feel like you're being dragged back again.
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The outer core, molten and turbulent is just as tough to navigate the second time.
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Plus now gravity is actively resisting your movement.
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After fighting your way back through the outer core,
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you re-enter the mantle, where the heat and pressure are still extreme.
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Yet, as you climb closer to the surface,
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gravity eases up and drilling becomes slightly less grueling.
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Finally, you reach the crust again,
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which compared to the inner earth seems like a breeze.
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And then you've done it.
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You've drilled through the entire planet,
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traveling thousands of miles through rock,
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molten metal and intense heat.
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But what's the result?
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Well, unless you're careful, you might pop out in the middle of the ocean or in someone's backyard.
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Since most of the Earth's surface is covered by water,
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you'd probably end up swimming with the fish.
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What an anticlimactic end to a wild journey!
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Trivia Time!
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Did you know the boundary between the mantle and the crust is called the moho?
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Yes, it's short for moho-ro-bichich.
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Discontinuity.
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Sketching time!
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Today's sketch of the day goes to Helia.
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Hope you had fun today.
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Until next time, it's me Dr. Pinox, Zooming out.
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If you can't dig, fly!
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Never mind!

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Sobre Esta Aula

Nesta aula, os alunos terão a oportunidade de praticar a pronúncia em inglês e aprimorar sua compreensão auditiva através de um conteúdo fascinante sobre a possibilidade de escavar um buraco pelo planeta Terra. Através de uma exploração imaginativa e repleta de desafios, os alunos vão ouvir sobre as diferentes camadas da Terra, suas características e os perigos potenciais que enfrentariam se tentassem realizar essa empreitada. O foco estará na habilidade de shadowing em inglês, onde os alunos imitarão o tom e a velocidade do locutor, melhorando assim sua fluência e entonação.

Vocabulário & Frases Chave

  • Drilling hole - escavar um buraco
  • North Pole - Pólo Norte
  • Earth's core - núcleo da Terra
  • Mantle - manto
  • Molten rock - rocha derretida
  • Pressure - pressão
  • Tectonic plates - placas tectônicas
  • Crust - crosta

Dicas de Prática

Para otimizar sua prática de shadow speak, é essencial que você preste atenção à velocidade e ao tom do vídeo. Aqui estão algumas dicas práticas:

  • Primeiramente, escute atentamente uma frase ou um trecho curto, e depois pause o vídeo. Tente repetir em voz alta imitando a entonação e a velocidade do locutor.
  • Segundamente, não tenha medo de errar. A prática leva à perfeição, então faça várias tentativas até se sentir confortável com a pronúncia de palavras desafiadoras, como “mantle” e “molten rock”.
  • Por fim, use o shadowing site que prefere para gravar sua voz. Isso ajudará a identificar áreas onde você pode melhorar sua pronúncia em inglês.

Com a prática constante, você não apenas melhorará sua habilidade de fala em inglês, mas também aumentará sua confiança ao usar o idioma em contextos diversificados.

O que é a Técnica de Shadowing?

Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.

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