Shadowing Practice: All About Hydroelectricity - Learn English Speaking with Video
Les maken...
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In a similar way that a wind turbine uses the kinetic energy in wind to produce electrical energy,
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people can also use the energy in moving water to produce electrical energy.
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Electricity produced using moving water is called hydroelectricity or hydropower.
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Hydroelectricity uses the kinetic energy in flowing rivers and streams.
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The water is often held in large dams which allow people to control the flow of water.
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When the water in a dam is released, it pushes past generators that convert kinetic energy into electricity.
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The electricity travels along power lines to power stations, where it is sent along an electrical grid to our homes and cities.
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A few of the advantages of hydroelectricity are that it is renewable,
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it provides consistent power, and like solar energy and wind turbines, it does not release any pollutants into the air.
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The disadvantages of hydroelectricity are that it requires a lot of water.
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The water is either dammed up or diverted from its natural course.
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This can affect the organisms that rely on water upstream and in surrounding areas.
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Check out our related videos on the advantages and disadvantages of other electricity production methods.
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Thank you.
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Woordenschat en spreektips bij deze les
Deze video bevat 14 zinnen en 195 woorden om na te spreken. Het gesproken deel duurt 1:49. De spreker praat langzaam, ongeveer 107 woorden per minuut, zodat je tijd hebt om elke klank na te doen. Slechts 77% van de woorden hoort bij de 3.000 meest gebruikte Engelse woorden, dus de woordenschat is pittig.
Belangrijke woorden in deze video
14 minder gangbare woorden uit de video, met uitspraak en betekenis:
- dam /ˈdæm/ (zelfstandig naamwoord) — dam. A structure placed across a flowing body of water to stop the flow or part of the flow, generally for purposes such as retaining or diverting some of the water…
- disadvantage /ˌdɪsədˈvæntɪd͡ʒ/ (zelfstandig naamwoord) — nadeel. A weakness or undesirable characteristic; con; drawback.
- turbine /ˈtɜː.baɪn/ (zelfstandig naamwoord) — turbine. Any of various rotary machines that use the kinetic energy of a continuous stream of fluid (a liquid or a gas) to turn a shaft.
- consistent /kənˈsɪs.tənt/ (bijvoeglijk naamwoord) — veel voorkomend, consequent. Of a regularly occurring, dependable nature.
- rely /ɹɪˈlaɪ/ (werkwoord) — rekenen op. To trust; to have confidence in; to depend.
- grid /ɡɹɪd/ (zelfstandig naamwoord) — raster. A rectangular array of squares or rectangles of equal size, such as in a crossword puzzle.
- generator /ˈdʒɛnəɹeɪtə(ɹ)/ (zelfstandig naamwoord) — generator. An apparatus in which vapour or gas is formed from a liquid or solid by means of heat or chemical process, as a steam boiler, gas retort etc.
- renewable /ɹɪˈnu.ə.bl̩/ (bijvoeglijk naamwoord) — hernieuwbaar, vernieuwbaar. Able to be renewed; capable of renewal.
- surround /səˈɹaʊnd/ (werkwoord) — omgeven, omringen. To encircle something or simultaneously extend in all directions.
- organism /ˈɔɹ.ɡəˌnɪz.əm/ (zelfstandig naamwoord) — organisme. A discrete and complete living thing, such as animal, plant, fungus or microorganism.
- upstream /ʌpˈstɹiːm/ (bijvoeglijk naamwoord) — stroomopwaarts. In a direction against the flow of a current or stream of fluid (typically water); upriver.
- kinetic /kɪˈnɛtɪk/ (bijvoeglijk naamwoord) — kinetisch. Relating to motion.
- hydropower (zelfstandig naamwoord) — waterkracht, hydro-energie. hydroelectric power
- pollutant /pəˈl(j)uːtənt/ (zelfstandig naamwoord) — vervuiler. A foreign substance that makes something dirty, or impure, especially waste from human activities.
Phrasal verbs die je zult horen
- check out (werkwoord) — onderzoeken. To record the departure or withdrawal of someone or something (such as guests, employees, books, etc.).
Uitspraak om op te letten
- Lange woorden — let op de klemtoon: electricity /ɪˌlɛkˈtɹɪsɪti/, electrical /ɪˈlɛktɹɪkəl/, disadvantage /ˌdɪsədˈvæntɪd͡ʒ/, generator /ˈdʒɛnəɹeɪtə(ɹ)/, organism /ˈɔɹ.ɡəˌnɪz.əm/
Zo oefen je met deze video
- Luister de hele video één keer zonder te spreken en noteer de woorden die je niet kent.
- Spreek zin voor zin na op normale snelheid en herhaal elke zin tot je ritme gelijk is aan dat van de spreker.
- Neem jezelf op en vergelijk met het origineel; let daarbij op woorden als dam, disadvantage, turbine.
Grammatica in deze video
De structuren die de spreker het meest gebruikt, met de exacte woorden uit de video:
| Structuur | In de video |
|---|---|
| Lijdende vorm be + voltooid deelwoord — het gaat om wat er gebeurt, niet om wie het doet | is called · is often held · is released |
Wat is de Shadowing-techniek?
Shadowing is een wetenschappelijk onderbouwde taalleermethode die oorspronkelijk is ontwikkeld voor professionele tolkentraining en gepopulariseerd door polyglot Dr. Alexander Arguelles. De methode is eenvoudig maar krachtig: je luistert naar native Engelse audio en herhaalt het onmiddellijk hardop — als een schaduw die de spreker volgt met slechts 1–2 seconden vertraging. In tegenstelling tot passief luisteren of grammaticadrills, dwingt shadowing je hersenen en mondspieren om echte spraakpatronen tegelijkertijd te verwerken en te reproduceren. Onderzoek toont aan dat het de uitspraaknauwkeurigheid, intonatie, ritme, verbonden spraak, luisterbegrip en spreekvaardigheid aanzienlijk verbetert — waardoor het een van de meest effectieve methoden is voor IELTS Speaking-voorbereiding en echte Engelse communicatie.