Shadowing Practice: Transparency – Allowing Light to Pass Through - Learn English Speaking with Video
Creating lesson...
1
Every day we use and see objects made from various materials like metal, wood, glass, plastic, fabric and rubber.
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It's important to know what these materials can do, especially if you're making something.
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You need to pick the right material so that your object works the way it should and is safe to use.
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One key thing to understand is how a material interacts with light.
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This is called transparency.
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Some materials let lots of light through, some let only a little through, and some don't let any through at all.
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Take a look at this glass bowl.
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You can see right through it.
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That's because glass is a transparent material.
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It lets almost all the light pass through, which is why you can see the salad inside the bowl so clearly.
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Now, see those plastic bags holding apples?
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You can kind of see inside, but not perfectly.
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The bags are translucent, meaning they let some light through, but not all.
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And lastly, look at the metal mixing bowl.
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You can't see inside it at all, can you?
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That's because it's an opaque material.
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Opaque materials don't let any light through.
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Understanding transparency can help you know why some objects work better than others for certain jobs.
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So next time you pick something up, think about what it's made of and how that affects what it can do.
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Vocabulary and speaking notes for this lesson
This A2 speaking lesson is built on the video “Transparency – Allowing Light to Pass Through”. The speaker keeps coming back to these words: material, object, bowl, glass, inside. This video has 19 sentences and 228 words to shadow. The speech runs for 1:25. The speaker talks at a natural 161 words per minute, close to everyday conversation. 91% of the words are among the 3,000 most common in English, so the vocabulary is easy to follow.
Key vocabulary in this video
14 words from the video worth learning, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| transparency noun | /tɹænsˈpæɹənsi/ | The quality of being transparent. |
| rubber noun | /ˈɹʌbɚ/ | Pliable material derived from the sap of the rubber tree; a hydrocarbon biopolymer of isoprene. |
| salad noun | /ˈsæl.əd/ | A food consisting principally of raw vegetables (especially greens, e.g. lettuce), other savoury ingredients (typically cooked), fruit, or confectionary; often… |
| fabric verb | /ˈfæb.ɹɪk/ | To cover with fabric. |
| interact verb | /ɪn.təˈɹækt/ | To engage in communication and other shared activities (with someone). |
| transparent adjective | /tɹænsˈpæɹənt/ | See-through, clear; having the property that light passes through it almost undisturbed, such that one can see through it clearly. |
| lastly adverb | /ˈlæstli/ | Used to mark the beginning of the last in a list of items or propositions. |
| opaque adjective | /əʊˈpeɪk/ | Neither reflecting nor emitting light. |
| translucent adjective | /tɹænzˈlu.sənt/ | Allowing light to pass through, but diffusing it. |
| bowl noun | /boʊl/ | As much as is held by a bowl. |
| object noun | /ˈɑb.d͡ʒɛkt/ | A thing that has physical existence but is not alive. |
| plastic noun | /ˈplæstɪk/ | A synthetic, solid, hydrocarbon-based polymer, whether thermoplastic or thermosetting. |
| perfectly adverb | /ˈpɝ.fɪk(t).li/ | With perfection. |
| affect verb | /əˈfɛkt/ | To influence or alter. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| pass through verb | To go through, to travel through, to transit or lie across a place or from one place to another. |
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| Passive voice be + past participle — the focus is on what happens, not who does it | is called |
| Relative clauses who / which + clause — extra information about a person or thing | through, which is |
| Advice with “should” should + verb — saying what is a good idea | should and |
| Comparatives -er than / more … than — comparing two things | better than |
Pronunciation to watch
The speaker uses 4 contractions and reduced forms, such as don't, can't, you're. Say them the short way, as you hear them.
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 transparency, rubber, salad.
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.