Shadowing Practice: How Does a Microwave Heat Food? - Learn English Speaking with Video
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29 sentences
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1
You put some leftover soup in the microwave for two minutes.
2
Ding! You take it out, and the bowl feels nice and warm.
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But wait... the middle is still ice cold!
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So, why does that happen?
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First, a microwave doesn't really heat the air inside.
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It sends out invisible waves, a bit like radio waves.
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And these waves are great at one thing... can you guess?
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Water! And almost all food has water in it.
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The waves make tiny water molecules spin like crazy!
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They turn back and forth billions of times a second!
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As they push and rub against each other, they heat up.
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Try it! Rub your hands together really fast.
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Feel that warmth? It's the same idea!
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But the waves only go a short way into the food,
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so the outside heats up first.
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The middle has to wait for that heat to slowly move inward.
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Oh no, and ice is really bad at catching the waves!
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That's why the box says, stir it and wait a minute!
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And what about the spinning plate?
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Inside, the waves bounce around and leave hot and cold spots.
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The plate turns, so every bit of food gets some heat!
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Oh, and never put a metal fork in there!
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Metal bounces the waves back instead of taking them in.
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Its sharp edges can even make sparks!
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Sparks inside a hot oven? Not a great idea!
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My tip? Use a wide, flat bowl!
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Heat it in short bursts, and stir in between.
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Then let it rest for a minute before you eat.
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No more frozen surprises!
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Vocabulary and speaking notes for this lesson
This B1 speaking lesson is built on the video “How Does a Microwave Heat Food?”. The speaker keeps coming back to these words: waves, heat, inside. This video has 29 sentences and 264 words to shadow. The speech runs for 1:43. The speaker talks at a natural 153 words per minute, close to everyday conversation. Only 81% of the words are among the 3,000 most common in English, so the vocabulary is demanding. 6 of its 29 sentences are questions, so it is good practice for question intonation and short answers.
Key vocabulary in this video
The 14 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| microwave noun | /ˈmaɪkɹoʊˌweɪv/ | An electromagnetic wave with wavelength between that of infrared light and radio waves. |
| stir verb | /stɝ/ | To disturb the relative position of the particles (of a liquid or similar) by passing an object through it. |
| spark noun | /ˈspɑɹk/ | A small particle of glowing matter, either molten or on fire, resulting from an electrical surge or excessive heat created by friction. |
| bounce verb | /baʊns/ | To change the direction of motion after hitting an obstacle. |
| inward adjective | /ˈɪnwəd/ | Situated on the inside; that is within, inner; belonging to the inside. |
| leftover adjective | Remaining; left behind; extra; odd; in reserve. | |
| molecule noun | /ˈmɑ.lɪ.kjul/ | The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by… |
| warmth noun | /wɔɹmθ/ | A moderate degree of heat; the sensation of being warm. |
| fork noun | /fɔɹk/ | A utensil with spikes used to put solid food into the mouth, or to hold food down while cutting, or for serving food. |
| oven noun | /ˈʌ.vn̩/ | A chamber used for baking or heating. |
| invisible adjective | /ɪnˈvɪzəb(ə)l/ | Unable to be seen; out of sight; not visible. |
| freeze verb | /ˈfɹiːz/ | Especially of a liquid, to become solid due to low temperature. |
| soup noun | /sup/ | Any of various dishes commonly made by combining liquids, such as water or stock, with other ingredients, such as meat and vegetables, that contribute the food… |
| burst verb | /bɜːst/ | To break from internal pressure. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| heat up verb | To heat, to cause to become hotter. |
| bounce around verb | To discuss or brainstorm (ideas) on a topic. |
| send out verb | To issue, dispatch or transmit. |
| turn back verb | To reverse direction and retrace one's steps. |
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like microwave, stir, spark.
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.