Shadowing Practice: Why Is Fire Hot? - Learn English Speaking with Video
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The weather has been getting pretty cold around here lately!
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It’s almost winter, and there’s already lots of snow on the ground.
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One of the things we like to do when it’s cold and snowy outside is sit around the Fort’s fireplace.
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We can drink hot chocolate, tell stories, and sometimes we even roast marshmallows.
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It’s so nice and warm!
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But we have some /very/ important rules about being around fires, don’t we, Squeaks?
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We know to never get too close to any kind of fire, or play with matches or the stove.
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I’m sure a lot of you know these rules too!
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Some of you wanted to know more, and asked us why fire is so hot.
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That’s a really good question!
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Fire is very hot, which is one of the reasons we don’t go near it.
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And that heat comes from energy.
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You might already know a little bit about energy.
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It’s the reason things move and change.
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Like, when Squeaks starts bouncing all over the Fort, I like to say that he has a lot of energy!
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We get the energy we need from the food we eat, and we use that energy to move and change when we do things like playing and growing.
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The energy we use when we move is one type of energy.
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And heat is a type of energy, too.
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That’s why we get so warm sometimes when we’re running around a lot!
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As we run, we use up some of the energy we got from our food, and we get warmer at the same time.
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Fire is kind of like that, too.
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When something burns, like wood in a fireplace, it changes.
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It starts out looking like regular wood from a tree, and then after it burns it becomes all black.
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Sometimes it also gets broken up into smaller pieces we call charcoal.
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As the wood changes, it uses up energy, and at the same time, it gives off heat.
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The heat that comes from a fire happens because of something called combustion.
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That’s a big word, but it just means what’s going on when something is burning.
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For something to burn, or combust, three things need to happen.
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First, there has to be something to burn, like the wood in the fireplace.
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We call the stuff that burns in a fire fuel.
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Second, there needs to be something called oxygen, which is a part of the air that’s all around us.
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You’re right, Squeaks!
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Fire isn’t the only thing that needs oxygen.
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We do, too!
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We take oxygen into our bodies every time we take a breath of air.
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The third thing that fire needs is actually … heat!
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Yeah, fire needs a little bit of heat to get started.
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If you’ve ever watched a grown-up light a candle on a birthday cake or start a campfire, they might have used a match.
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It’s the heat from the match that gets combustion, and the fire, started!
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Then the fuel burns, and changes, and gives off much, much more heat than it started with from that tiny match.
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It’s using up lots of energy as it burns, and some of that energy comes out as heat.
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But when the fuel in a fire is all burned up, there’s nothing left to change and give off heat.
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So, if all the wood burns up in our fireplace, the fire will go out.
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But while it’s burning, it’s very hot!
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And now you know why: it’s because it’s giving off energy.
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You’re right Squeaks! It is amazing!
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Now, I’m out of hot chocolate, so I’m gonna go fill it up, and I’ll meet you back by the fireplace!
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Thanks for joining us!
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Do you have questions about things that happen in the world around you?
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We have a website where you can send them to us!
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Just ask a grown-up to help you go to patreon.com/scishowkids to check it out.
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And we’ll see you next time here at the Fort!
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Vocabulario y notas de pronunciación para esta lección
Esta lección de conversación de nivel A2 se basa en el vídeo “Why Is Fire Hot?”. Las palabras que más se repiten: energy, heat, burn, fireplace, wood. Este vídeo tiene 52 frases y 670 palabras para practicar shadowing. La parte hablada dura 3:30. El hablante habla rápido, unas 192 palabras por minuto, así que espera sonidos enlazados y reducidos. El 90 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es fácil de seguir.
Vocabulario clave de este vídeo
13 palabras del vídeo que vale la pena aprender, con su pronunciación y significado:
| Palabra | Pronunciación | Significado |
|---|---|---|
| fireplace sustantivo | /ˈfaɪɹpleɪs/ | chimenea, hogar |
| oxygen sustantivo | /ˈɑksɪd͡ʒən/ | oxígeno |
| combustion sustantivo | /kəmˈbʌs.t͡ʃən/ | combustión, quemado |
| breathe verbo | /bɹiːð/ | respirar |
| bounce verbo | /baʊns/ | rebotar, repercutir |
| candle sustantivo | /ˈkæn.dəl/ | vela, candela |
| roast verbo | /ɹoʊst/ | asar, rostir |
| stove sustantivo | /stoʊv/ | estufa, calentador |
| charcoal sustantivo | /ˈt͡ʃɑɹ.koʊl/ | carboncillo |
| campfire sustantivo | /ˈkæmpˌfaɪ̯ɚ/ | fogata, hoguera |
| combust verbo | /kəmˈbʌst/ | combustionar |
| marshmallow sustantivo | /ˈmɑɹʃˌmɛl.oʊ/ | malvavisco, carlotina |
| snowy adjetivo | /ˈsnoʊi/ | nevado |
Phrasal verbs que vas a escuchar
| Palabra | Pronunciación | Significado |
|---|---|---|
| give off verbo | /ɡɪv ɒf/ | emitir, desprender |
| come out verbo | /ˌkʌm ˈaʊt/ | revelarse, salir a la luz |
| go out verbo | salir | |
| grow up verbo | crecer |
Gramática en este vídeo
Las estructuras que más usa el hablante, con las palabras exactas del vídeo:
| Estructura | En el vídeo |
|---|---|
| Oraciones de relativo who / which + oración — información extra sobre una persona o cosa | hot, which is · oxygen, which is |
| Posibilidad con “might / may” might/may + verbo — algo posible pero no seguro | might already know · might have |
| Futuro con “will” will + verbo — una decisión, una promesa o una predicción | will go · I'll meet · we'll see |
| Obligación: must / have to / need to decir que algo es necesario | need to happen · has to be · needs to be |
Pronunciación a tener en cuenta
El hablante usa 13 contracciones y formas reducidas, como I'm, don't, you're. Dilas en su forma corta, tal como las oyes.
Sonidos difíciles para hispanohablantes:
- s + consonante al inicio — sin añadir una “e” delante: stove /stoʊv/, snowy /ˈsnoʊi/
Cómo practicar con este vídeo
- Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
- Empieza a velocidad 0,75×, haz shadowing frase por frase y vuelve a la velocidad normal cuando te resulte fácil.
- Grábate y compara con el original, prestando atención a palabras como fireplace, oxygen, combustion.
¿Qué es la Técnica de Shadowing?
Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.