Prática de Shadowing: All About Magnets - Aprenda a falar inglês com vídeo
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Today we're venturing into the world of magnets.
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You may know magnets as the things that stick to your fridge at home, but magnets have a lot of different and interesting uses.
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They can help you find your way, save files to your computer, and even make trains float.
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Stick around and you'll become a magnet master.
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What are magnets?
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A magnet is a special kind of object that has the ability to attract certain types of metals, such as iron and steel.
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Surrounding every magnet is an invisible area known as a magnetic field.
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When objects made of these metals enter this field, they are pulled toward the magnet.
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This is why, for example, paper clips will stick to a magnet when you bring them close together.
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Different types of magnets There are a few kinds of magnets and they each work in their own special way.
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First, we have permanent magnets which are always ready to attract metal objects.
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These are the kinds you might find in toys or on the door of your refrigerator to help it close tightly.
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Next, there are temporary magnets.
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These are like part-time magnets that only act like a magnet when they're near a strong one.
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If you've ever seen a paperclip suddenly start picking up other metal objects when it's close to a magnet, that's a temporary magnet in action.
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Lastly, we have electromagnets.
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These are super strong magnets that work when you turn on electricity.
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They're used in big places like junkyards to pick up large pieces of metal.
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You can also find them in some doorbells and even in some roller coasters to help them go really fast.
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The poles of a magnet.
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Every magnet has two special ends called poles.
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One end is the north pole and the other is the south pole.
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It's kind of like having a head and a tail.
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When you bring the North Pole of one magnet close to the South Pole of another magnet, they want to stick together.
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It's like they're best friends.
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But if you try to put two North Poles or two South Poles close to each other, they push away.
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It's like they're saying, nope, we're too much alike, we need some room.
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So remember, opposite poles attract and like poles push each other away.
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Magnetic Fields.
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A magnetic field is like an invisible bubble around a magnet where its power works.
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You can't see it, but it's there.
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It's the reason why things like paper clips move toward the magnet when they get close.
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Want to see something really neat?
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If you put some tiny metal shavings called iron filings around a magnet, they will move and line up in a special pattern.
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They're showing you where the magnetic field is.
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It's like they're drawing an invisible picture in the air that only the iron filings can see.
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What do magnets attract?
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Magnets are really good at pulling certain types of metals toward them.
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If you've got a collection of paper clips or a pile of small nails, just bring a magnet close and watch how they stick to it.
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But it's not only small items like these.
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Magnets also have important jobs in places you might not expect.
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For example, inside computers there are tiny magnets that help store all the pictures, games and documents you save.
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They help your computer remember things.
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But even though magnets can attract some things very well, there are other things they can't stick to at all.
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If you try to use a magnet on materials like plastic, glass, wood or cloth, you'll notice that nothing happens.
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These things just don't find magnets attractive.
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Users of magnets.
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Magnets have lots of important jobs, and they're not just for sticking your art projects to the fridge.
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You find small magnets in your earbuds, helping you hear your favourite tunes.
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They're in electric cars, making them run fast and smooth.
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Really strong magnets even help doctors see inside your body with special machines called MRI scanners.
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Oh, and remember when we talked about magnets making trains float?
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Trains float!
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That's right, some trains called maglev trains actually float above the tracks.
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They use magnets in both the tracks and wheels to repel each other, making the train float above the track like magic.
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And let's not forget the trusty compass, which uses the Earth's magnetic field to help you find your way.
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Conclusion So, magnets are not just interesting, they're super useful in so many ways.
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From having special ends called poles that either stick together or push apart, to the invisible area around them known as a magnetic field,
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magnets are full of surprises.
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They can pick up certain metals, but won't work on things like wood or plastic.
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And their uses are really amazing, from making music in your earbuds and helping electric cars run to aiding doctors with MRI scans.
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They even make some trains float above the tracks.
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Isn't that cool?
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Now, the next time you encounter a magnet, you'll know just how incredible it really is.
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Okay, time for a quick quiz.
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I'm
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going to go
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ahead and put the bag on the bag.
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I'm going to go ahead and put the bag on the bag.
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I'm
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going to
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go ahead and put the Thank you.
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Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível B1 usa o vídeo “All About Magnets”. As palavras que mais se repetem: magnet, pole, metal, stick, train. Este vídeo tem 73 frases e 894 palavras para praticar shadowing. A fala dura 8:03. O falante mantém um ritmo estável de cerca de 111 palavras por minuto, confortável para o shadowing. Apenas 81% 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 |
|---|---|---|
| magnet substantivo | /ˈmæɡ.nɪt/ | ímã, íman |
| pole substantivo | /pəʊl/ | polo |
| float verbo | /fləʊt/ | boiar, flutuar |
| magnetic adjetivo | /mæɡˈnɛtɪk/ | magnético |
| attract verbo | /əˈtɹækt/ | atrair |
| invisible adjetivo | /ɪnˈvɪzəb(ə)l/ | invisível |
| clip substantivo | /klɪp/ | clipe, clips |
| filing substantivo | /ˈfaɪ.lɪŋ/ | limalha |
| doorbell substantivo | /ˈdɔɹ.bɛl/ | campainha |
| electromagnet substantivo | eletroímã, eletroíman | |
| junkyard substantivo | /ˈd͡ʒʌŋkˌjɑɹd/ | ferro-velho, depósita por lixo |
| scanner substantivo | /ˈskænə/ | escâner, scâner |
| refrigerator substantivo | /ɹɪˈfɹɪd͡ʒ.əˌɹeɪ.tɚ/ | geladeira, frigorífico |
| compass substantivo | /ˈkʌmpəs/ | bússola |
| surround verbo | /səˈɹaʊnd/ | contornar, cercar |
Phrasal verbs que você vai ouvir
| Palavra | Pronúncia | Significado |
|---|---|---|
| pick up verbo | pegar | |
| go ahead verbo | /ˌɡoʊ əˈhɛd/ | vai em frente |
Frases que vale a pena repetir
Frases curtas e completas do vídeo que você pode usar na conversa do dia a dia:
- Today we're venturing into the world of magnets.
- Stick around and you'll become a magnet master.
- You can't see it, but it's there.
- They're showing you where the magnetic field is.
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Possibilidade com “might / may” might/may + verbo — algo possível, mas não certo | may know · might find · might not expect |
| Futuro com “will” will + verbo — uma decisão, promessa ou previsão | you'll become · will stick · will move |
| Present continuous am/is/are + -ing — algo que está acontecendo agora ou nestes dias | we're venturing · they're saying · They're showing |
Pronúncia para ficar de olho
O falante usa 25 contrações e formas reduzidas, como they're, I'm, you'll. Diga-as na forma curta, do jeito que você ouve.
- Palavras longas — acerte a sílaba tônica: invisible /ɪnˈvɪzəb(ə)l/, refrigerator /ɹɪˈfɹɪd͡ʒ.əˌɹeɪ.tɚ/
Sons difíceis para falantes de português:
- Consoante final — sem acrescentar um “i” depois: magnet /ˈmæɡ.nɪt/, float /fləʊt/, magnetic /mæɡˈnɛtɪk/, attract /əˈtɹækt/, clip /klɪp/
- /l/ final — a língua toca o céu da boca, não vira “u”: pole /pəʊl/, invisible /ɪnˈvɪzəb(ə)l/, doorbell /ˈdɔɹ.bɛl/, pile /paɪl/, bubble /ˈbʌbəl/
- s + consoante no início — sem um “i” antes: scanner /ˈskænə/, scan /skæn/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como magnet, pole, float.
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.