Prática de Shadowing: Science hacks for crispy snacks - Aprenda a falar inglês com vídeo
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If you aren't getting that sound in your own kitchen, pull up a stool.
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Because we are breaking down the science of crispy.
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This is Minute Food.
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There is nothing more disappointing than a limp spring roll or a soft french fry.
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Crispiness makes or breaks these foods.
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But in order to achieve crispy, you need to understand what it is.
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Scientists test and quantify crispiness in all sorts of ways.
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But it pretty much comes down to how loudly a food fractures.
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There's disagreement about how different crispiness is from crunchiness, and we can debate that somewhere else.
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But here, I'm going with crispy.
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Anyway, there are two main qualities that make food more likely to do that loud, fracture-y thing we love so much.
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The first is that the food, at least the surface of the food, has been dehydrated.
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It's dried out.
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And the second quality is that it's porous.
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There's some space inside.
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If you want to get ultimate crispiness at home, you need to consider and maximize these qualities.
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Now, crispy foods can take lots of different forms.
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I mean, here's a tiny subset of the crispy-liciousness out there.
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But most often, they're fried, like my go-to guilty pleasure, fried pickles.
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There's a reason we associate fried stuff with crispiness.
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See, when you drop your food in hot oil, the bubbles that erupt from the food aren't the oil boiling.
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They're moisture in the food that's gotten so hot that it vaporizes and escapes.
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And as it escapes, it creates tunnels and pockets and crevices.
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So with each bubble, you're dehydrating the surface of the food and creating spaces.
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The two crisp-making qualities.
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This is why frying is so good at making stuff crispy.
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Or why it can be if you keep those crisp-making qualities in mind.
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Like, say you're using batter.
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Use it to boost that airspace.
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You can add a leavener, like baking powder, or even some frothy beer to help form a network of beautiful airy bubbles.
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And while we're talking booze, throw a little vodka in your batter too.
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Alcohol is really volatile and will basically explode when it heats up, leaving behind big airy spaces.
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If you're on team breading, choose large irregular shapes like panko.
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Those flakes will form a big loose complex, giving you tons of nooks, crannies, and spaces.
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And panko itself is full of nooks, crannies, and spaces, compounding its airiness.
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Now once you're ready to fry, come in hot.
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Because hot oil makes water evaporate more quickly, dehydrating the food more efficiently and creating more and larger air spaces.
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So wait until your oil is nice and hot.
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Use a pan that holds heat well, like cast iron.
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That way the temp won't drop too much when you add the food.
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And don't crowd the pan.
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Fry in small batches.
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And if you've ever noticed that your second batch is crispier than your first, you're onto something.
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As you use oil, it breaks down and creates surfactants.
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Essentially, molecules that help oil make better contact with food.
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And more contact with food means more dehydration and more airy spaces.
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So you'll actually get crispier food with oil that's already been used.
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Up to a point.
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Food that's been used too many times, say six or so, will have too many surfactants.
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Food will get too dried out.
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At that point, get rid of the oil.
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But save a little bit to break in your new oil.
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About a tablespoon of old stuff per cup of new stuff will help replicate that second batch sweet spot.
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Now your food is cooked.
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But your quest for crispiness isn't over.
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Almost immediately, moisture inside the food will start creeping outside, rehydrating that surface you worked so hard to dehydrate.
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That's one reason lots of restaurants fry their foods twice.
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A second bath in hot oil removes additional moisture and adds even more air space, doubling down on crispiness.
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If you've got the time at home, a double fry is worth a try.
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Alternatively, until you're ready to serve, put the food on a metal rack in a low oven to drive away any of that creeping moisture.
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That's assuming you can actually wait.
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Because by maximizing these crisp-making qualities, you're going to have some gloriously loud, fracture-y food.
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Of course, crispiness isn't the only thing that makes fried food awesome.
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And maybe we'll chew on some of the other important stuff another time.
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But for now, I'm gonna go eat these pickles.
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Mmm. So good.
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When we make minute food videos, we spend a lot of time making sure we're representing stuff in a way that clearly conveys what's important.
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Like here we wanted to focus on the bonds within molecules, but here we wanted to emphasize structural similarity.
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So we chose to represent the molecules in different ways.
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The folks at our sister channel, MinuteEarth, have actually spent lots of time thinking about molecular representations, so much that they created an entire course about it over at Brilliant.
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In this course, like all the other great courses at Brilliant, you can learn interactively at your own pace in a low-pressure environment.
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is my first stop when I'm working on a video and need to get up to speed on new concepts.
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You can get started there for free.
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Just visit brilliant.org slash minute food or click on the link in the description.
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The first 200 of you will get 20% off Brilliant's annual premium subscription.
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And make sure to check out the awesome molecules course.
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It'll change how you think about chemistry.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível B2 usa o vídeo “Science hacks for crispy snacks”. As palavras que mais se repetem: oil, crispiness, space, crispy, hot. Este vídeo tem 77 frases e 942 palavras para praticar shadowing. A fala dura 5:09. O falante fala rápido, cerca de 183 palavras por minuto, então espere sons ligados e reduzidos. Apenas 78% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.
Vocabulário principal deste vídeo
As 15 palavras mais avançadas do vídeo, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| crispy adjetivo | /ˈkɹɪs.pi/ | crocante |
| fry verbo | /fɹaɪ/ | fritar |
| dehydrate verbo | /diːhaɪˈdɹeɪt/ | desidratar |
| molecule substantivo | /ˈmɑ.lɪ.kjul/ | molécula |
| moisture substantivo | /ˈmɔɪs.t͡ʃɚ/ | umidade, humidade |
| fracture substantivo | /ˈfɹæk.t͡ʃʰəː/ | fratura |
| batch substantivo | /bæt͡ʃ/ | fornada |
| bubble substantivo | /ˈbʌbəl/ | bolha, borbulha |
| nook substantivo | /nʊk/ | canto |
| pickle substantivo | /ˈpɪkəl/ | conservado, achar |
| surfactant substantivo | /səɹˈfæktənt/ | surfactante, tensioativo |
| batter verbo | /ˈbætə/ | bater, espancar |
| maximize verbo | /ˈmæksəmaɪz/ | maximizar |
| creep verbo | /kɹiːp/ | trepar |
| airspace substantivo | espaço aéreo |
Phrasal verbs que você vai ouvir
| Palavra | Pronúncia | Significado |
|---|---|---|
| check out verbo | verificar, sacar só | |
| get off verbo | sair | |
| pull up verbo | /ˌpʊl ˈʌp/ | puxar para cima |
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Present perfect have/has + particípio passado — uma ação passada que ainda importa agora | has been dehydrated · you've ever noticed · that's already been |
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | has been dehydrated · is cooked |
Pronúncia para ficar de olho
O falante usa 26 contrações e formas reduzidas, como you're, I'm, aren't. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “sh” e “zh”: dehydration /dihaɪˈdɹeɪʃən/, subscription /səbˈskɹɪpʃən/, structural /ˈstɹʌk(t͡)ʃəɹəl/
- Palavras longas — acerte a sílaba tônica: dehydration /dihaɪˈdɹeɪʃən/, evaporate /ɪˈvæp.ə.ɹeɪt/, similarity /ˌsɪm.ɪˈlæɹ.ɪ.ti/, disagreement /dɪsəˈɡɹiːmənt/, irregular /ɪˈɹɛɡ.jə.lɚ/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: dehydrate /diːhaɪˈdɹeɪt/, crisp /kɹɪsp/, nook /nʊk/, surfactant /səɹˈfæktənt/, creep /kɹiːp/
- /l/ final — a língua toca o céu da boca, não vira “u”: molecule /ˈmɑ.lɪ.kjul/, bubble /ˈbʌbəl/, pickle /ˈpɪkəl/, stool /stuːl/, volatile /ˈvɑ.lə.təl/
- /h/ — um sopro suave, diferente do “r”: dehydrate /diːhaɪˈdɹeɪt/, dehydration /dihaɪˈdɹeɪʃən/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
- Grave a sua voz e compare com o original, prestando atenção a palavras como crispy, fry, dehydrate.
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.