Shadowing Practice: Bulbs Arranged in Parallel – Brightness of Bulbs - Learn English Speaking with Video
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10 sentences
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1
Here we have a simple circuit.
2
It has a battery, bulb and a switch that are connected together with wires.
3
When the switch is closed, electric current flows through the circuit and the bulb lights up.
4
How will adding another bulb in parallel affect the brightness of the bulbs?
5
Now, there are two bulbs connected in parallel.
6
When the switch is closed, each bulb receives the same voltage.
7
This results in the bulbs glowing equally as bright as when there was just a single bulb in the circuit.
8
Discover more about series and parallel circuits in our related videos.
9
Bye for now!
10
Thank you.
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Vocabulary and speaking notes for this lesson
This speaking lesson is built on the video “Bulbs Arranged in Parallel – Brightness of Bulbs”. The speaker keeps coming back to these words: bulb, circuit, parallel, switch. This video has 10 sentences and 104 words to shadow. The speech runs for 0:56. The speaker talks at a steady 112 words per minute, a comfortable pace for shadowing.
Key vocabulary in this video
15 words from the video worth learning, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| bulb noun | /ˈbʌlb/ | The bulb-shaped underground portion of a plant such as a tulip, consisting of a shortened stem and many fleshy scale leaves, from which the rest of the plant… |
| circuit noun | /ˈsɝ.kɪt/ | The act of moving or revolving around, or as in a circle or orbit; a revolution |
| parallel adjective | /ˈpæ.ɹəˌlɛl/ | Equally distant from one another at all points. |
| connect verb | /kəˈnɛkt/ | To join (to another object): to attach, or to be intended to attach or capable of attaching, to another object. |
| wire noun | /ˈwaɪɚ/ | Metal formed into a thin, even thread, now usually by being drawn through a hole in a steel die. |
| discover verb | /dɪˈskʌvə/ | To find or learn something for the first time. |
| equally adverb | /ˈiːkwəli/ | In an equal manner; in equal shares or proportion; with equal and impartial justice; evenly |
| voltage noun | /ˈvəʊltɪd͡ʒ/ | The difference in electrostatic potential between two points in space, especially between live and neutral conductors or the earth. |
| glow verb | /ɡloʊ/ | To emit heat and light without a flame. |
| brightness noun | /ˈbɹaɪtnəs/ | The quality of being bright. |
| switch noun | /swɪt͡ʃ/ | A device to turn electric current on and off or direct its flow. |
| flow verb | /ˈfloʊ̯/ | To move as a fluid from one position to another. |
| bright adjective | /ˈbɹaɪ̯t/ | Emitting much light; visually dazzling; luminous, lucent, radiant. |
| affect verb | /əˈfɛkt/ | To influence or alter. |
| battery noun | /ˈbæt.əɹi/ | A device used to power electric devices, consisting of one or more electrically connected electrochemical cells or (archaically) electrostatic cells. |
Phrasal verbs you will hear
| Word | Meaning |
|---|---|
| light up verb | To illuminate, to bring light to something, to brighten. |
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 | are connected · is closed |
| Future with “will” will + verb — a decision, promise or prediction | will adding another |
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 bulb, circuit, parallel.
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.