Shadowing Practice: Let's Make Slime! | Experiment | SciShow Kids - Learn English Speaking with Video
Creando lección...
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♩♩Intro♩♩ Squeaks has been asking when we're going to make slime for a really long time now.
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And so have lots of our viewers!
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Well, guess what, Squeaks?
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Today's the day!
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It’s gonna be squishy, and smooth, and…probably pretty slimy.
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And you can make it with a few simple ingredients that you probably already have at home!
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First, you'll need a bowl, a measuring spoon, a stick or plastic spoon for mixing, a container if you want to store your slime when you're done, and a grown-up to help.
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Our slime is going to be made out of regular school glue, baking soda, food coloring, and contact solution.
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The contact solution should have something called boric acid in it, which a lot of them do — you can ask a grown-up to help you make sure.
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All the ingredients we're using are safe to touch — that's the whole point of slime!
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But it's not for eating.
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Now for the fun part: let’s start making some slime!
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First, pour the glue into the bowl.
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And I bet you can guess what it’s for!
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That's right!
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To make it sticky.
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But maybe not in the way you're expecting.
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Glue is sticky, but it's still very liquidy.
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To make slime, we need to make the glue stick to itself so it becomes a big ball of goop we can pull apart and squeeze together.
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That's what the other ingredients are for!
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Well, except the food coloring.
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That's just to make the slime a cool color.
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So the next thing we're going to do is add one tablespoon of baking soda to the glue.
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We’ll mix the baking soda and the glue together until it's completely dissolved.
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Then, we’ll add a few drops of food coloring and mix it together.
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Keep adding food coloring until you make the color you want!
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We're using fushcia.
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Hmmm. I know it's the right /color/, but does this look like finished slime to you, Squeaks?
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Naw, it still looks too liquidy.
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What do you think will happen when we add the contact solution?
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Let's see. I’m going to start adding the contact solution one teaspoon at a time so we can really observe what’s happening.
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Oh wow! It’s really starting to get more goopy!
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I’m going to add another teaspoon and keep stirring.
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It looks like the slime is getting even thicker and stickier now.
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It’s even sticking to itself!
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That’s because of the way the baking soda and contact solution we added are changing the glue.
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The little tiny pieces, or molecules, that make up glue are too small for us to see.
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But if you could, you'd see that they're a lot like tiny chains.
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At first, the glue was very runny because the chains were all sliding around each other.
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But the baking soda and contact solution made the chains get all tangled up!
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That's why the mixture sticks to itself and becomes more like a ball of slime.
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Once the slime is sticking to itself more than the bowl, you’ll know it’s almost ready!
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If your slime is still runny, keep slowly adding a little more contact solution to the glue and baking soda mixture.
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Finally, to get your slime to the perfect level of sliminess, you’ll have to knead it with your hands, either in the bowl or on a surface that's easy to clean.
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Keep kneading and stretching and even squishing it together until it’s the perfect slime consistency!
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This slime is so cool!
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I can form it into a ball and it’s almost solid, but I can also pull it apart and let it drip down.
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It’s almost like the slime is like a solid and a liquid at the same time!
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And that's what makes slime so special.
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Most types of liquids only turn solid when they freeze, like when water freezes into ice.
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And most types of solids only turn liquid when they melt!
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But slime is different.
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When you just leave it alone, it spreads out in the bowl like a liquid.
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Even though the little chains in the slime are connected to each other, they can still slide around each other enough to flow like a liquid.
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But when you press it together or pull it apart, the chains get more tangled, and the slime becomes much more like a solid!
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Just like the oobleck we made one time, remember, Squeaks?
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Yeah!
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Keep playing around with your slime to see what else you can discover about it!
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When you’re done, you can put it away in a container so it doesn’t dry out, and just make sure to wash your hands when you're done.
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But most important of all: have fun!
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Did you make this slime?
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What did you learn about it?
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Ask a grown-up to help you leave a comment below, or send us an email at [email protected].
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We’ll see you next time here at the Fort!
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♩♩Outro♩♩
📺 Mismo canal
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Vocabulario y notas de pronunciación para esta lección
Esta lección de conversación de nivel A2 se basa en el vídeo “Let's Make Slime!”. Las palabras que más se repiten: slime, squeaks, glue, solution, contact. Este vídeo tiene 65 frases y 833 palabras para practicar shadowing. La parte hablada dura 4:32. El hablante habla rápido, unas 184 palabras por minuto, así que espera sonidos enlazados y reducidos. El 80 % de las palabras está entre las 3.000 más comunes del inglés; conviene repasar el resto antes de empezar.
Vocabulario clave de este vídeo
15 palabras del vídeo que vale la pena aprender, con su pronunciación y significado:
| Palabra | Pronunciación | Significado |
|---|---|---|
| glue sustantivo | /ɡlu/ | cola, goma |
| soda sustantivo | /ˈsoʊdə/ | sosa, soda |
| bake verbo | /beɪk/ | hornear, enhornar |
| liquid sustantivo | /ˈlɪk.wɪd/ | líquido |
| sticky adjetivo | /ˈstɪki/ | pegajoso, pegadizo |
| ingredient sustantivo | /ɪnˈɡɹiːdi.ənt/ | ingrediente, excipiente |
| slide sustantivo | /ˈslaɪ̯d/ | tobogán, resbaladilla |
| mixture sustantivo | /ˈmɪkst͡ʃɚ/ | mezcla, mezcladura |
| freeze verbo | /ˈfɹiːz/ | helarse, congelarse |
| container sustantivo | /kənˈteɪ.nəɹ/ | recipiente, envase |
| spoon sustantivo | /spuːn/ | cuchara |
| thick adjetivo | /θɪk/ | grueso, espeso |
| acid sustantivo | /ˈæsɪd/ | ácido |
| discover verbo | /dɪˈskʌvə/ | descubrir |
| connect verbo | /kəˈnɛkt/ | conectar, empalmar |
Phrasal verbs que vas a escuchar
| Palabra | Pronunciación | Significado |
|---|---|---|
| make up verbo | /ˌmeɪk ˈʌp/ | reponer, suplir |
Frases que vale la pena repetir
Frases cortas y completas del vídeo que puedes reutilizar en la conversación diaria:
- What do you think will happen when we add the contact solution?
- I’m going to add another teaspoon and keep stirring.
- Did you make this slime?
- What did you learn about it?
Gramática en este vídeo
Las estructuras que más usa el hablante, con las palabras exactas del vídeo:
| Estructura | En el vídeo |
|---|---|
| Voz pasiva be + participio pasado — importa lo que ocurre, no quién lo hace | be made · are connected |
| Verbo + -ing enjoy, keep, stop… + -ing — verbos seguidos de la forma en -ing | start making · Keep adding · start adding |
| Futuro con “will” will + verbo — una decisión, una promesa o una predicción | you'll need · We'll mix · we'll add |
| Present continuous am/is/are + -ing — algo que ocurre ahora o en estos días | we're using · you're expecting · is getting |
Pronunciación a tener en cuenta
El hablante usa 20 contracciones y formas reducidas, como we're, you're, we'll. Dilas en su forma corta, tal como las oyes.
- Los sonidos de “th”: thick /θɪk/, smooth /smuːð/
- Palabras largas — cuida el acento: ingredient /ɪnˈɡɹiːdi.ənt/, consistency /kənˈsɪs.tən.si/
Sonidos difíciles para hispanohablantes:
- s + consonante al inicio — sin añadir una “e” delante: sticky /ˈstɪki/, slide /ˈslaɪ̯d/, spoon /spuːn/, smooth /smuːð/, stretch /stɹɛt͡ʃ/
- /v/ — no es /b/: los dientes tocan el labio inferior: discover /dɪˈskʌvə/, observe /əbˈzɜːv/, viewer /ˈvju.ɚ/, dissolve /dɪˈzɑlv/
- /z/ — sonora, no /s/: freeze /ˈfɹiːz/, observe /əbˈzɜːv/, squeeze /skwiːz/, dissolve /dɪˈzɑlv/
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 glue, soda, bake.
¿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.