Prática de Shadowing: How Do Rainbows Form? - Aprenda a falar inglês com vídeo

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Sunny days are always fun, but I like rainy days too.
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I don't mind getting a bit wet when I play in the rain or jump in puddles.
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With a bit of luck, it can also be sunny and rainy at the same time.
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The perfect time to see a rainbow.
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You can't touch a rainbow and as much as you wish for it to be true, There's no pot of gold at the end.
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So what exactly is a rainbow and how do they form?
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The light from the sun is actually a mixture of all the colours in the visible light spectrum.
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We call this white light.
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A rainbow is caused by light being refracted when entering a droplet of water.
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then reflected inside on the back of the droplet and refracted again when leaving it.
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In a primary rainbow, the arc shows red on the outer part and violet on the inner side.
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We can model and observe a rainbow using a prism.
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you When the prism is placed between the source of light and a solid surface, the light is broken up into all the colours of a rainbow.
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This is because each colour is a different wavelength of light and the prism bends the different wavelengths by different amounts.
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In nature, a rainbow can form whenever light interacts with water droplets.
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What other ways can rainbows form?
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Vocabulário e dicas de fala para esta lição

Esta aula de conversação de nível B1 usa o vídeo “How Do Rainbows Form?”. As palavras que mais se repetem: rainbow, droplet, prism, colour. Este vídeo tem 17 frases e 237 palavras para praticar shadowing. A fala dura 1:37. O falante mantém um ritmo estável de cerca de 146 palavras por minuto, confortável para o shadowing. Apenas 76% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.

Vocabulário principal deste vídeo

As 13 palavras mais avançadas do vídeo, com pronúncia e significado:

PalavraPronúnciaSignificado
droplet substantivo/ˈdɹɑplət/gotinha, gotícula
prism substantivo/ˈpɹɪzəm/prisma
wavelength substantivo/ˈweɪvˌlɛŋ(k)θ/comprimento de onda
rainy adjetivo/ˈɹeɪni/chuvoso, pluvioso
sunny adjetivo/ˈsʌni/ensolarado
puddle substantivo/ˈpʌdəl/poça
violet substantivo/ˈvaɪ.ə.lət/violeta
subscribe verbo/səbˈskɹaɪb/assinar
interact verbo/ɪn.təˈɹækt/interagir
observe verbo/əbˈzɜːv/seguir, acompanhar
bend verbo/bɛnd/dobrar, curvar
mixture substantivo/ˈmɪkst͡ʃɚ/mistura, misturação
spectrum substantivo/ˈspɛktɹəm/espectro, espetro

Gramática neste vídeo

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

EstruturaNo vídeo
Voz passiva be + particípio passado — o foco está no que acontece, não em quem fazis caused · is placed
Verbo + -ing enjoy, keep, stop… + -ing — verbos seguidos da forma em -ingmind getting

Pronúncia para ficar de olho

O falante usa 3 contrações e formas reduzidas, como don't, can't. Diga-as na forma curta, do jeito que você ouve.

Sons difíceis para falantes de português:

  • Consoante final — sem acrescentar um “i” depois: droplet /ˈdɹɑplət/, violet /ˈvaɪ.ə.lət/, subscribe /səbˈskɹaɪb/, interact /ɪn.təˈɹækt/, bend /bɛnd/

Como praticar com este vídeo

  1. Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
  2. Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
  3. Grave a sua voz e compare com o original, prestando atenção a palavras como droplet, prism, wavelength.

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 →