शैडोइंग अभ्यास: What is Energy? - वीडियो के साथ अंग्रेजी बोलना सीखें

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हर मोड पूरी स्क्रीन का अभ्यास कक्ष खोलता है।

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1
Energy is all around us.
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Scientists define energy as the ability to do work or cause change.
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We cannot see energy, but we can see the things that energy does.
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energy makes things move it powers the machines we use it can make things get hotter
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or produce sound energy is used to light up our homes
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and cities and power the vehicles we use all organisms need energy to grow reproduce and carry out life processes.
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Plants use the light energy from the sun to make food in the form of sugar.
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This energy is passed to animals when they feed on plants and other animals.
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There are two main forms of energy, kinetic energy and potential energy.
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Kinetic energy is the energy of movement.
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Mechanical energy, sound, light, heat and electrical energy are all examples of kinetic energy.
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You can learn more about these forms of kinetic energy in our related videos.
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energy is the energy something has due to its position, composition or state.
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The stored energy can be converted into various types of kinetic energy.
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Fuels such as petroleum, gas and wood contain a form of potential energy called chemical energy.
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When these fuels are burned, the chemical energy is converted into light and heat.
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Potential energy due to an object's position above the ground is called gravitational potential energy.
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A rock on top of a hill has gravitational potential energy.
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As it rolls down the hill, the potential energy is converted into kinetic as it is pulled down by the earth's gravity.
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An arrow in a bow has potential energy due to its position behind the drawn string.
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This is called Elastic Potential Energy.
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The elastic potential energy increases the more the string is drawn back.
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When the string is released, the potential energy is converted into kinetic energy as the arrow flies forward.
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That's pretty cool.
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Be sure to check out our related videos to learn more about different energy forms and conversions.
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Thanks for watching.
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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 “What is Energy?”. The speaker keeps coming back to these words: energy, potential, kinetic, converted, string. This video has 28 sentences and 337 words to shadow. The speech runs for 3:00. The speaker talks at a steady 112 words per minute, a comfortable pace for shadowing. 86% of the words are among the 3,000 most common in English; the rest is worth studying before you start.

Key vocabulary in this video

The 13 most advanced words in the video, with pronunciation and meaning:

WordPronunciationMeaning
kinetic adjective/kɪˈnɛtɪk/Relating to motion.
convert verb/kənˈvɝt/To transform or change (something) into another form, substance, state, or product.
gravitational adjective/ˌɡɹævɪˈteɪʃənəl/Pertaining to, or caused by, gravity or gravitation.
elastic adjective/ə-/Capable of stretching; particularly, capable of stretching so as to return to an original shape or size when force is released.
arrow noun/ˈæɹəʊ/A projectile consisting of a shaft, a point and a tail with stabilizing fins that is shot from a bow.
organism noun/ˈɔɹ.ɡəˌnɪz.əm/A discrete and complete living thing, such as animal, plant, fungus or microorganism.
reproduce verb/ˌɹi.pɹəˈdus/To produce an image or copy of.
petroleum noun/pəˈtɹoʊliəm/A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the…
subscribe verb/səbˈskɹaɪb/To write (one’s name) at the bottom of a document; to sign (one's name).
scientist noun/ˈsaɪəntəst/One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research…
gravity noun/ˈɡɹævɪti/Of an activity such as a ceremony, a person's conduct, etc.: the quality of being deeply serious and solemn, especially in a dignified manner; seriousness…
conversion noun/kənˈvɝʒən/The act of converting something or someone.
define verb/dɪˈfaɪn/To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly.

Phrasal verbs you will hear

WordPronunciationMeaning
carry out verb/ˈkæ.ɹi aʊt/To hold while moving it out.
check out verbTo record the departure or withdrawal of someone or something (such as guests, employees, books, etc.).
draw back verb/dɹɔː ˈbæk/to retreat from a position
light up verbTo illuminate, to bring light to something, to brighten.
pull down verbTo make (something) lower (especially of clothes).
roll down verbSynonym of wind down.

Pronunciation to watch

  • The “sh” and “zh” sounds: gravitational /ˌɡɹævɪˈteɪʃənəl/, conversion /kənˈvɝʒən/
  • Long words — get the stress right: gravitational /ˌɡɹævɪˈteɪʃənəl/, organism /ˈɔɹ.ɡəˌnɪz.əm/

How to practise with this video

  1. Listen to the whole video once without speaking and note the words you do not know.
  2. Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
  3. Record yourself and compare with the original, paying attention to words like kinetic, convert, gravitational.

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।

शैडोइंग तकनीक: पूरी चरण-दर-चरण गाइड पढ़ें →