शैडोइंग अभ्यास: Energy Transformations - वीडियो के साथ अंग्रेजी बोलना सीखें
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42 वाक्य
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Energy is all around us.
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We can't see energy, but we can see the things that energy does.
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Energy makes things move.
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It powers the machines we use.
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It can make things get hotter.
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or produce sound.
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Energy is used to light up our homes and cities, and power the vehicles we use.
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Plants and other organisms need energy to live, grow and carry out life processes.
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Energy cannot be created nor can it be destroyed.
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but it can be changed or transformed from one form to another and we can observe this happening around us every day.
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Let's take a look at some examples.
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As each video plays, Write down the energy transformations you think are taking place.
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We'll go through each example at the end so you can check your answers.
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Let's go.
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Number 1 What energy transformation takes place when a ukulele is strummed?
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you you Number 2: What energy transformation takes place when a light bulb is switched on?
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Number 3 What transformation takes place when a match is struck?
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Number 4: What transformation takes place when a drawn bow and arrow is released?
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you you Number 5: What transformation takes place when an electric kettle is switched on.
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Bye.
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- Yeah.
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you 6.
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What energy transformation takes place when a roller coaster rolls down the track?
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Number 7: What transformation takes place when an electric doorbell is pressed?
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Number 8 What energy transformation takes place when a drill is used to secure a screw into wood?
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How'd you go?
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Let's take another look.
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When a ukulele is strummed, kinetic energy is transformed into sound energy.
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When a light bulb is switched on, electrical energy is transformed into light and heat.
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Thank you.
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Bye.
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When a match is struck, kinetic energy and chemical energy is transformed into light and heat.
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When a drawn bow and arrow is released, elastic potential energy is converted into kinetic energy.
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When an electric kettle is switched on, electrical energy is transformed into heat.
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Bye.
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When a roller coaster rolls down the track, gravitational potential energy is transformed into kinetic energy.
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When an electric doorbell is pressed, electrical energy is transformed into kinetic energy and sound.
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When a drill is used to secure a screw into wood, Electrical energy is transformed into kinetic energy,
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Take note that in many of the examples provided, heat and sound are often produced.
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Bye.
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Bye.
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Vocabulary and speaking notes for this lesson
This B1 speaking lesson is built on the video “Energy Transformations”. The speaker keeps coming back to these words: energy, transformation, transformed, kinetic, switched. This video has 42 sentences and 395 words to shadow. The speech runs for 3:56. The speaker talks slowly, about 100 words per minute, so there is time to copy every sound. Only 78% of the words are among the 3,000 most common in English, so the vocabulary is demanding. 8 of its 42 sentences are questions, so it is good practice for question intonation and short answers.
Key vocabulary in this video
The 15 most advanced words in the video, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| transformation noun | /ˌtɹæns.fɔɹˈmeɪ.ʃən/ | The act of transforming or the state of being transformed. |
| transform verb | /tɹænsˈfɔɹm/ | To change greatly the appearance or form of. |
| kinetic adjective | /kɪˈnɛtɪk/ | Relating to motion. |
| doorbell noun | /ˈdɔɹ.bɛl/ | A bell, buzzer, or chime device mounted on or adjacent to a door's exterior, meant to be rung by a visitor to announce one's presence. |
| strum verb | /strʌm/ | To play (a guitar or other stringed instrument) by plucking various strings simultaneously. |
| ukulele noun | /juː.kəˈleɪ.li/ | A small four-stringed guitar. |
| kettle noun | /ˈkɛ.təl/ | A vessel for boiling a liquid or cooking food, usually metal and equipped with a lid. |
| 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… |
| coaster noun | /ˈkoʊ̯s.tɚ/ | A person who uses a sled or toboggan to slide down a slope covered with ice or snow; a sledder, a tobogganist. |
| roller noun | /ˈɹoʊlɚ/ | Any rotating cylindrical device that is part of a machine, especially one used to apply or reduce pressure. |
| drill noun | /dɹɪl/ | A tool or machine used to remove material so as to create a hole, typically by plunging a rotating cutting bit into a stationary workpiece. |
| arrow noun | /ˈæɹəʊ/ | A projectile consisting of a shaft, a point and a tail with stabilizing fins that is shot from a bow. |
| gravitational adjective | /ˌɡɹævɪˈteɪʃənəl/ | Pertaining to, or caused by, gravity or gravitation. |
| organism noun | /ˈɔɹ.ɡəˌnɪz.əm/ | A discrete and complete living thing, such as animal, plant, fungus or microorganism. |
| elastic adjective | /ə-/ | Capable of stretching; particularly, capable of stretching so as to return to an original shape or size when force is released. |
Phrasal verbs you will hear
| Word | Pronunciation | Meaning |
|---|---|---|
| roll down verb | Synonym of wind down. | |
| carry out verb | /ˈkæ.ɹi aʊt/ | To hold while moving it out. |
| go through verb | To travel from one end of something to the other. | |
| light up verb | To illuminate, to bring light to something, to brighten. | |
| write down verb | To produce or set (something) down in writing; to record something. |
Pronunciation to watch
The speaker uses 4 contractions and reduced forms, such as can't, don't, how'd. Say them the short way, as you hear them.
- The “sh” and “zh” sounds: transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, gravitational /ˌɡɹævɪˈteɪʃənəl/
- Long words — get the stress right: transformation /ˌtɹæns.fɔɹˈmeɪ.ʃən/, ukulele /juː.kəˈleɪ.li/, gravitational /ˌɡɹævɪˈteɪʃənəl/, organism /ˈɔɹ.ɡəˌnɪz.əm/
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 transformation, transform, kinetic.
शैडोइंग तकनीक क्या है?
शैडोइंग (Shadowing) एक विज्ञान-समर्थित भाषा सीखने की तकनीक है जो मूल रूप से पेशेवर दुभाषिया प्रशिक्षण के लिए विकसित की गई थी। विधि सरल लेकिन शक्तिशाली है: आप मूल अंग्रेज़ी ऑडियो सुनते हैं और तुरंत इसे ज़ोर से दोहराते हैं — जैसे वक्ता की छाया 1-2 सेकंड की देरी से। शोध से पता चलता है कि यह उच्चारण सटीकता, स्वर, लय, जुड़ी हुई ध्वनियाँ, सुनने की समझ और बोलने की प्रवाहशीलता में काफ़ी सुधार करता है।