Prática de Shadowing: Climate Change: Crash Course Kids #41.2 - Aprenda a falar inglês com vídeo

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44 frases
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1
Hey, what's the difference between weather and climate?
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You can't weather a tree, but you can CLIMB IT.
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But you already know the difference between weather and climate.
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And if it slipped your mind, psst, the definitions are right there.
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You know that the weather can change quickly, but climate can also change, just more slowly.
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And if you're good at putting two and two together, and I know you are, you probably already noticed that we use some of the same words when we talk about climate and environment.
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Words like temperature and rainfall.
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Coincidence?
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I think not.
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But science demands evidence, my friends.
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And while we've already seen that living things can change when environments change, we need to ask, how might a change in climate affect an ecosystem?
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First, let's talk climates.
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Through little me's travels, we found out that Yuma, Arizona had a hot and sunny climate.
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We decided this after finding out that although it rained once or twice during my long stay, most of the days were hot and dry.
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Now, the plants and animals that live in Yuma's hot, dry, sunny climate have adaptations that help them live in that desert environment.
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If we took a hike around Yuma, we might see a cactus.
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And if we took a closer and careful look at the cactus, we'd see that its outside is kind of waxy and tough.
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This adaptation helps the cactus save water by keeping the water from evaporating into the dry air.
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Now, say something happened to Yuma's climate.
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Say, over the course of about 20 years, there were even hotter days and less rainfall than before.
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When weather patterns change over a long period of time, we call it climate change.
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Would the cactus's adaptations be enough then?
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Let's find out.
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Let's look at some organisms that are part of a desert ecosystem.
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We have our friend the cactus, a kangaroo rat, a rattlesnake, and a desert fox.
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We can use a handy -dandy food chain model to see how energy flows between living things in this ecosystem.
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It would probably look something like this.
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The cactus makes energy by photosynthesis, and the energy goes from the cactus to the rat, then to the snake, and then to the fox.
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Now, although the cactus has adaptations that help it store and save water, it still needs rain.
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If it doesn't get enough in a drier climate, it's not going to have anything to store, and it's not going to be able to survive.
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And you know what happens when we take out the bottom of the food chain?
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It's like taking the wrong block in Jenga.
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We throw the rest of the ecosystem off balance.
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But that's not the only problem.
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Less rain and hotter temperatures mean less water to drink for all of the animals.
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And although they have adaptations too, like scales to help them retain water, that won't be enough to let them fit into a much hotter and drier climate.
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And globally, the climate is changing.
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Scientists who study climate change think that it's caused in part by changes to the Earth's atmosphere.
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An increase in gases, like carbon dioxide, is trapping more heat close to the Earth, acting like a blanket and making the Earth warmer.
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But scientists are hard at work trying to find solutions to climate change.
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For example, they're looking at ways to keep too much carbon dioxide from entering the atmosphere.
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So, all living things that make up the Earth's biosphere have adaptations, characteristics that help them fit into their environment.
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Long -term changes in the Earth's weather patterns, called climate change, may have effects on the living things that make up ecosystems.
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Now if only I could change that joke I told at the beginning of this video.

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Vocabulário e dicas de fala para esta lição

Este vídeo tem 44 frases e 637 palavras para praticar shadowing. A fala dura 3:30. O falante fala rápido, cerca de 182 palavras por minuto, então espere sons ligados e reduzidos. 85% 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 menos comuns do vídeo, com pronúncia e significado:

  • ecosystem /ˈikoʊˌsɪstəm/ (substantivo) — ecossistema. A system formed by an ecological community and its environment that functions as a unit.
  • desert /ˈdɛz.ɚt/ (substantivo) — deserto. A barren area of land or desolate terrain, especially one with little water or vegetation; a wasteland.
  • atmosphere /ˈætməsˌfɪɹ/ (substantivo) — atmosfera. The gases surrounding the Earth or any astronomical body.
  • scientist /ˈsaɪəntəst/ (substantivo) — cientista. One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research…
  • sunny /ˈsʌni/ (adjetivo) — ensolarado. Featuring a lot of sunshine.
  • rainfall (substantivo) — precipitação. The amount of rain that falls on a single occasion
  • dioxide /daɪˈɑksaɪd/ (substantivo) — bióxido. Any oxide containing two oxygen atoms in each molecule.
  • trap /tɹæp/ (substantivo) — armadilha, arapuca. A machine or other device designed to catch (and sometimes kill) animals, either by holding them in a container, or by catching hold of part of the body.
  • slip /ˈslɪp/ (verbo) — escorregar, derrapar. To lose one’s traction on a slippery surface; to slide due to a lack of friction.
  • snake /sneɪk/ (substantivo) — cobra, serpente. Any of the suborder Serpentes of legless reptiles with long, thin bodies and fork-shaped tongues.
  • blanket /ˈblæŋ.kɪt/ (substantivo) — cobertor, manta. A heavy, loosely woven fabric, usually large and woollen, used for warmth while sleeping or resting.
  • characteristic /ˌkæɹ(ə)ktəˈɹɪstɪk/ (substantivo) — característica, caraterística. A distinguishing feature of a person or thing, a part of mental or physical behavior.
  • coincidence /kəʊˈɪnsɪdəns/ (substantivo) — coincidência. The property of being coincident, occurring at the same time or place.
  • hike /haɪk/ (substantivo) — caminhada, passeio. A long walk, usually for pleasure or exercise.
  • globally /ˈɡloʊbəli/ (advérbio) — globalmente. In all places or situations.

Phrasal verbs que você vai ouvir

  • find out (verbo) — descobrir. To discover, as by asking or investigating.
  • look at (verbo) — observar, ver. To observe or watch.
  • make up /ˌmeɪk ˈʌp/ (verbo) — compensar. To constitute, to compose.
  • take out (verbo) — tirar, remover. To remove.

Pronúncia para ficar de olho

O falante usa 7 contrações e formas reduzidas, como can't, doesn't, they're. Diga-as na forma curta, do jeito que você ouve.

  • Palavras longas — acerte a sílaba tônica: adaptation /ˌæd.æpˈteɪ.ʃən/, ecosystem /ˈikoʊˌsɪstəm/, characteristic /ˌkæɹ(ə)ktəˈɹɪstɪk/, coincidence /kəʊˈɪnsɪdəns/, organism /ˈɔɹ.ɡəˌnɪz.əm/

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 ecosystem, desert, atmosphere.

Gramática neste vídeo

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

EstruturaNo vídeo
Possibilidade com “might / may” might/may + verbo — algo possível, mas não certomight see · may have
Present continuous am/is/are + -ing — algo que está acontecendo agora ou nestes diasis changing · is trapping · they're looking

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 →