Prática de Shadowing: What Happened to the Dinosaurs? - Aprenda a falar inglês com vídeo

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Clues, clues, lookin’ for clues… Oh!
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It’s you! Hi!
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You were probably expecting Jessi, right?
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Well, she and Squeaks will be back next time, but right now they're off doing a bit of detective work in Yucatán, Mexico!
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You might say they’ve flown south for the winter.
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And of course I approve of that!
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Very bird-like of them.
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You see, we teamed up because we got curious about one of the greatest mysteries of all time: What happened to the dinosaurs?
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If you know me, you know that I loooove dinosaurs.
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And a long time ago — around 65 million years! — the dinosaurs were large and in charge.
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They had ruled the Earth for over 160 million years.
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And then, something strange happened, not just to dinosaurs, but to over half the Earth's species.
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That means a type of living thing, like oak trees, or cuckoo birds like me, or humans like you.
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All at once, about 65 million years ago, a bunch of different species just went extinct — they were completely wiped out!
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That’s because something big happened, causing huge changes on Earth.
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Changes in the weather, changes in the oceans … changes that made it harder for dinosaurs and other living things to find food and survive.
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Sure sounds mysterious!
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Most species will go extinct sometime, but what I wanna know is: What happened?
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What caused so many species – from tiny ocean creatures to big land reptiles like T-rex and Triceratops – to all go extinct at the same time?
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Scientists don’t know for sure, but they have a few different guesses.
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Some scientists think it happened because of a giant rock moving through space, called an asteroid, that crashed into the Earth.
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As it happens, that’s just what Jessi and Squeaks went to Mexico to learn more about!
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And Jessi’s giving us a call right now!
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How’s your vacation, Jessi?
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Jessi: Terrific, Dino!
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Squeaks and I are here at the Yucatán Peninsula in Mexico, and we’re learning so much!
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We learned that 65 million years ago, an asteroid blasted in from outer space and landed right here!
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This asteroid was enormous — it was 12 kilometers wide, so big that it would take hours just to walk from one side to the other.
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And when it landed, the explosion left an even bigger crater — a big bowl-shaped dent in the Earth.
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It’s called the Chicxulub crater, and it’s about 150 kilometers wide.
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The explosion sent lots of rocks and other debris raining down on anything nearby.
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And it sent billions of tons of soot into the air!
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Soot is the dusty stuff that’s left over when something burns up, Dino: That's one powerful explosion!
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Jessi: It sure was!
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It made the whole world really hot for a few days.
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And it started fires, giant waves, and huge, strong winds; and it shook the Earth, in a super powerful earthquake!
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Dino: Thanks for the hot tips, Jessi.
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Enjoy the rest of your trip!
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Now, some scientists think that the explosion from the asteroid sent so much soot into the air that it blocked out the Sun.
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For a while, it was really dark outside, even during the day!
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And without sunshine, it started to get cold, which meant some of the living things that were used to warmer weather couldn’t survive.
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There was another problem, too: plants need sunlight to live, so a lot of the plants back then died.
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Without plants, the animals that ate plants didn't have enough food, and without enough plant-eaters, the animals that ate meat went hungry too.
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That’s why some scientists think the asteroid was what caused the dinosaurs to go extinct!
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But other scientists think there may have been another cause, and that even before that asteroid crashed into the Earth, disaster was in the air for the dinosaurs.
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And they think the culprit was ... volcanoes!
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Because right around the time that the dinosaurs went extinct, one of the biggest volcanic eruptions in history was underway, in the area of the world that’s now India.
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For close to a million years, eruptions sent rocks and dust and soot onto the land and into the air.
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Just like with the asteroid impact, all this stuff in the air would have blocked out the Sun, making the Earth cooler and darker.
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So we don’t know for sure what darkened the skies and wiped out all those species — it could have been the asteroid, or it could have been the volcanoes, or both!
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We have so many clues, but the true culprit is going to remain a mystery... for now.
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Either way, the dinosaurs were pretty unlucky!
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A lot of things went very wrong for them, all at the same time.
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But even though life was hard, some types of plants and animals were able to find food and shelter while the Earth was changing, and they survived!
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Whatever happened all those years ago, life on Earth goes on, and we’re all here, solving mysteries together!
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Do you have any big mysteries you’re wondering about?
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Ask a grownup to help you and leave a comment below, or send us an email at [email protected].
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And if you want to join us next time, hit that subscribe button!

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Vocabulário e dicas de fala para esta lição

Esta aula de conversação de nível A2 usa o vídeo “What Happened to the Dinosaurs?”. As palavras que mais se repetem: dinosaurs, Earth, asteroid, Jessi, plant. Este vídeo tem 58 frases e 870 palavras para praticar shadowing. A fala dura 4:28. O falante fala rápido, cerca de 194 palavras por minuto, então espere sons ligados e reduzidos. 81% das palavras estão entre as 3.000 mais comuns do inglês; vale a pena estudar o restante antes de começar.

Vocabulário principal deste vídeo

15 palavras do vídeo que vale a pena aprender, com pronúncia e significado:

PalavraPronúnciaSignificado
dinosaur substantivo/ˈdaɪnəsoɹ/dinossauro
asteroid substantivo/ˈæst(ə)ɹɔɪd/asteroide, planetoide
scientist substantivo/ˈsaɪəntəst/cientista
extinct adjetivo/ɪkˈstɪŋkt/apagado, extinguido
mystery substantivo/ˈmɪs.t(ə.)ɹi/mistério
explosion substantivo/ɛkˈsploʊ.ʒən/explosão
clue substantivo/kluː/indício, sugestão
wipe verbo/waɪp/esfregar, enxugar
volcano substantivo/vɑlˈkeɪ.noʊ/vulcão
crater substantivo/ˈkɹeɪ.tɚ/cratera
eruption substantivo/ɪˈɹʌpʃən/erupção
curious adjetivo/ˈkjʊɹ.i.əs/curioso
hungry adjetivo/ˈhʌŋ.ɡɹi/faminto, com fome
solve verbo/sɒlv/resolver, solucionar
dust substantivo/dʌst/pó, poeira

Phrasal verbs que você vai ouvir

PalavraSignificado
wipe out verboaniquilar, exterminar

Gramática neste vídeo

As estruturas que o falante mais usa, com as palavras exatas do vídeo:

EstruturaNo vídeo
Past continuous was/were + -ing — uma ação em andamento em um momento do passadowere probably expecting · was changing
Possibilidade com “might / may” might/may + verbo — algo possível, mas não certomight say · may have
Superlativos the -est / the most … — o maior ou o menor de um grupothe greatest · the biggest
Present continuous am/is/are + -ing — algo que está acontecendo agora ou nestes diaswe're learning · you're wondering

Pronúncia para ficar de olho

O falante usa 10 contrações e formas reduzidas, como don't, we're, couldn't. Diga-as na forma curta, do jeito que você ouve.

  • Os sons de “sh” e “zh”: explosion /ɛkˈsploʊ.ʒən/, eruption /ɪˈɹʌpʃən/, vacation /veɪˈkeɪ.ʃən/, shake /ˈʃeɪk/, shelter /ˈʃɛltə/

Sons difíceis para falantes de português:

  • Consoante final — sem acrescentar um “i” depois: asteroid /ˈæst(ə)ɹɔɪd/, scientist /ˈsaɪəntəst/, extinct /ɪkˈstɪŋkt/, wipe /waɪp/, dust /dʌst/

Como praticar com este vídeo

  1. Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
  2. Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
  3. Grave a sua voz e compare com o original, prestando atenção a palavras como dinosaur, asteroid, scientist.

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.

Técnica de shadowing: leia o guia completo passo a passo →