Shadowing Practice: Unpoppable Bubbles! | Summer Experiments | SciShow Kids - Learn English Speaking with Video

Creating lesson...
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Alright, ready, Squeaks?
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I love blowing bubbles with you too, Squeaks!
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Oh hi there!
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Squeaks and I have been having fun with bubbles today.
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It’s one of our favorite things to do together, and it’s really simple!
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A soap bubble is made with just a few ingredients: water, soap, and the most important ingredient: air!
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When you blow air into soapy water, all the ingredients mix together.
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The water and soap cover the ball of air like blankets.
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And together they make a round shape that can float around in the air!
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At least, until the bubbles pop.
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Oh, good question, Squeaks.
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Why do bubbles pop?
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Well, water is really sneaky.
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As soon as you put it in a bubble, it tries to escape.
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And when the water gets away, the air trapped inside the bubble can follow it and escape too -- and then what do you think happens?
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Yes -- the rest of the bubble falls apart, and it goes pop!
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The soap holds the water inside as long as it can, but eventually, every bubble bursts.
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Oh I know - it is true.
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Soap bubbles do pop pretty quickly.
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An unpoppable bubble would be pretty fun!
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I wonder how we could make one?
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I know! Let’s try an experiment!
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I think if we make the soap thicker, maybe that will help to keep our bubbles around longer.
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There are lots of thick bubble soap recipes that we can make here at home.
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What do you think, Squeaks, should we try one out?
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We’ll need 4 Tablespoons of water and 1 Tablespoon of dish soap, just like our first bubble solution.
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Now, we’ll add our special ingredient: 2 Tablespoons of sugar.
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Oh, good question!
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The sugar should help the bubble.
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It’s going to help make the soap layers of our bubble really thick.
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I’ll stir until I can’t see the sugar anymore.
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Alright, it’s time to compare our bubbles!
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We’ll count how many seconds it takes one of our old bubbles to pop, and then see how many seconds it takes one of our new bubbles to pop.
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First, our old bubble.
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Wow! Not bad.
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That bubble lasted 30 seconds!
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Now, let’s see how the thicker bubbles do.
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Wow, that bubble lasted way longer.
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The thicker bubble lasted 90 seconds!
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That’s 60 seconds longer than the bubble without any sugar.
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Ooo - I would love to do more bubble experiments!
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There are lots of bubble recipes we could try.
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We could replace the sugar with something like corn syrup or glycerin, and if we get our hands wet, we could even try holding the bubbles.
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How long do you think you could make a bubble last?
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Can you think of any special ingredients that might help bubbles not to pop?
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Do you think there’s a way to make an unpoppable bubble?
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Ask a grown-up to help you with your own bubble experiments, and remember, if you want to keep experimenting and learning with me, Squeaks, and all of our friends, be sure to hit the subscribe button, and we’ll see you next time, here at the Fort.

Vocabulary and speaking notes for this lesson

This video has 47 sentences and 510 words to shadow. The speech runs for 4:03. The speaker talks at a steady 126 words per minute, a comfortable pace for shadowing. 79% of the words are among the 3,000 most common in English; the rest is worth studying before you start.

Key vocabulary in this video

15 words from the video worth learning, with pronunciation and meaning:

WordPronunciationMeaning
bubble noun/ˈbʌbəl/A spherically contained volume of air or other gas in a liquid, commonly a soapy liquid.
soap noun/soʊp/A metallic salt derived from a fatty acid, commonly used in cleaning products.
thick adjective/θɪk/Relatively great in extent from one surface to the opposite in its smallest solid dimension.
ingredient noun/ɪnˈɡɹiːdi.ənt/One of the substances present in a mixture, especially food.
experiment noun/ɪkˈspɛɹ.ə.mənt/A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy or likelihood of…
recipe noun/ˈɹɛs.ɪ.pi/Any set of instructions for preparing a mixture of ingredients.
compare verb/kəmˈpɛɚ/To assess the similarities and differences between two or more things [“to compare X with Y”]. Having made the comparison of X with Y, one might have found it…
layer noun/ˈleɪ̯ɚ/A single thickness of some material covering a surface.
trap noun/tɹæp/A machine or other device designed to catch (and sometimes kill) animals, either by holding them in a container, or by catching hold of part of the body.
dish noun/dɪʃ/A vessel such as a plate for holding or serving food, often flat with a depressed region in the middle.
corn noun/ˈkɔːn/Any cereal plant (or its grain) that is the main crop or staple of a country or region.
burst verb/bɜːst/To break from internal pressure.
blanket noun/ˈblæŋ.kɪt/A heavy, loosely woven fabric, usually large and woollen, used for warmth while sleeping or resting.
subscribe verb/səbˈskɹaɪb/To write (one’s name) at the bottom of a document; to sign (one's name).
stir verb/stɝ/To disturb the relative position of the particles (of a liquid or similar) by passing an object through it.

Phrasal verbs you will hear

WordMeaning
fall apart verbTo disintegrate, to break into pieces.
get away verbTo move away (from).

Pronunciation to watch

The speaker uses 6 contractions and reduced forms, such as we'll, can't, I'll. Say them the short way, as you hear them.

  • Long words — get the stress right: ingredient /ɪnˈɡɹiːdi.ənt/, experiment /ɪkˈspɛɹ.ə.mənt/

How to practise with this video

  1. Listen to the whole video once without speaking and note the words you do not know.
  2. Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
  3. Record yourself and compare with the original, paying attention to words like bubble, soap, thick.

Grammar in this video

The structures the speaker uses most, with the exact words from the video:

StructureIn the video
Advice with “should” should + verb — saying what is a good ideashould we try · should help
Verb + -ing enjoy, keep, stop… + -ing — verbs that are followed by the -ing formlove blowing · keep experimenting
Future with “will” will + verb — a decision, promise or predictionwill help · We'll need · we'll add

What is the Shadowing Technique?

Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.

Shadowing technique: read the full step-by-step guide →