Shadowing Practice: Let’s See How Far Your Science Knowledge Goes - Learn English Speaking with Video
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Vocabulary and speaking notes for this lesson
This speaking lesson is built on the video “Let’s See How Far Your Science Knowledge Goes”. The speaker keeps coming back to these words: quiz, cell, science, element, false. This video has 183 sentences and 1592 words to shadow. The speech runs for 27:10. Only 71% of the words are among the 3,000 most common in English, so the vocabulary is demanding. 70 of its 183 sentences are questions, so it is good practice for question intonation and short answers.
Key vocabulary in this video
15 words from the video worth learning, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| quiz noun | /kwɪz/ | A competition in the answering of questions. |
| element noun | /ˈɛləmənt/ | One of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based. |
| atom noun | /ˈætəm/ | The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons. |
| oxygen noun | /ˈɑksɪd͡ʒən/ | The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental… |
| atomic adjective | /əˈtɑː.mɪk/ | Of or relating to atoms; composed of atoms; monatomic. |
| substance noun | /ˈsʌbstəns/ | Physical matter; material. |
| nucleus noun | /ˈnuː.kli.əs/ | The core, central part of something, around which other elements are assembled. |
| acid noun | /ˈæsɪd/ | A sour substance. |
| electrical adjective | /ɪˈlɛktɹɪkəl/ | Related to electricity (or electronics) |
| liquid noun | /ˈlɪk.wɪd/ | A substance that is flowing, and keeping no shape, such as water; a substance of which the molecules, while not tending to separate from one another like those… |
| hydrogen noun | /ˈhaɪdɹəd͡ʒ(ə)n/ | The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008. |
| periodic adjective | /ˌpɪɹiˈɑdɪk/ | Relative to a period or periods. |
| organism noun | /ˈɔɹ.ɡəˌnɪz.əm/ | A discrete and complete living thing, such as animal, plant, fungus or microorganism. |
| occur verb | /əˈkɜː/ | To happen or take place. |
| bonus noun | /ˈbəʊ.nəs/ | Something extra that is good; an added benefit. |
Phrasal verbs you will hear
| Word | Pronunciation | Meaning |
|---|---|---|
| speed up verb | /spiːdˈʌp/ | To accelerate; to increase speed. |
| carry out verb | /ˈkæ.ɹi aʊt/ | To hold while moving it out. |
| heat through verb | To become hot throughout. |
Sentences worth repeating
Short, complete lines from the video that you can reuse in everyday conversation:
- Do you know what tool this is?
- Do you know what this is?
- What is the smallest planet in our solar system?
- What do you call a volcano that's not currently erupting?
- What do you call a reaction that releases heat to its surroundings?
Pronunciation to watch
The speaker uses 3 contractions and reduced forms, such as I've, don't. Say them the short way, as you hear them.
- The “th” sounds: breathe /bɹiːð/, tooth /tuθ/, photosynthesis /ˌfoʊ.toʊˈsɪn.θə.sɪs/, cathode /ˈkæθ.oʊd/, anthracite /ˈænθɹəˌsaɪt/
- The “sh” and “zh” sounds: radiation /ˌɹeɪ.diˈeɪ.ʃən/, friction /ˈfɹɪkʃən/, infection /ɪnˈfɛkʃən/, beneficial /ˌbɛn.ɪˈfɪʃ.əl/, fusion /ˈfjuː.ʒən/
- Long words — get the stress right: electrical /ɪˈlɛktɹɪkəl/, periodic /ˌpɪɹiˈɑdɪk/, organism /ˈɔɹ.ɡəˌnɪz.əm/, radiation /ˌɹeɪ.diˈeɪ.ʃən/, velocity /vəˈlɑsəti/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
- Record yourself and compare with the original, paying attention to words like quiz, element, atom.
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.












