Shadowing Practice: Build Earth from the Inside Out! - #sciencegoals - Learn English Speaking with Video
Les maken...
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Our planet is an amazing place … but there are parts of it that no one has ever seen!
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Like where?
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Like in the middle!
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No one has ever been to the center of the Earth, not even close!
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The deepest hole that’s ever been dug didn’t even make it through the thinnest, outer layer of Earth’s four amazing layers.
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But even if you could go deeper than that, you’d have a really hard time digging!
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Because those inner layers of the Earth get really hot!
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So today, we’re going to get as close as we can to seeing the center of the Earth, by building a model of our planet!
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First, let’s go through what we know about Earth’s four main layers.
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The first layer is the one you’re on right now!
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It’s called the crust.
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The crust is the outermost layer of our planet, and it includes all of the land you can see … as well as the land that you can’t see, like the very bottom of the ocean.
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The crust is also the thinnest of Earth’s layers.
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But even so, we’ve never been able to dig all the way through it!
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The crust is nice and cool on the outside, but once you dig down a kilometer or so, it starts to get really warm really fast.
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And the deeper you go, the hotter it gets!
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By the time you reach the bottom of the crust, it’s too hot for anything to live in!
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Now, after the crust comes the second layer: the mantle.
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It’s the thickest of all of Earth’s layers.
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This layer is so hot that the rocks that make up the mantle are actually melted!
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But we’re not done yet!
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The third layer is the outer core, and beneath that, at the very center of the Earth, is the fourth layer, the inner core, the hottest of all the layers!
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Now that we know each of the Earth’s layers, we can make a model of our planet, from the inside out!
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All you’ll need is a bunch of different colors of art clay.
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You can use whatever colors you like.
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But I’m going to use red, orange, yellow, brown, green, and blue.
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Each layer in our model is going to have its own color, so we can tell them apart.
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Now, what kind of temperature do you think of when you think of the color red?
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I think hot!
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So let’s use red for the hottest layer, the inner core.
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Orange doesn’t seem as hot to me, but it does seem warmer than yellow, so we’ll use orange for the outer core.
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Then let’s use yellow for the mantle, and brown for the coolest layer, the crust.
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But what about the green and blue?
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We can use these colors to make the continents and the oceans, that is, the big masses of land and water, they’re parts of the crust, too.
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Ok, so, let’s start with our innermost layer, the inner core.
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We’ll take some red clay and roll it into a ball between our hands.
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Once we have our inner core, let’s take some orange clay and wrap that around the red ball.
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Our Earth is growing!
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And the outer core is... almost done.
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There! Next, we’ll put on a layer of yellow, which will be our mantle.
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Do you remember what’s special about this layer?
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The mantle is the thickest of Earth’s layers!
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So let’s add a little bit of extra yellow to make sure it’s nice and thick.
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This looks great!
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Now we’ll cover the mantle with brown, for our crust.
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The crust is the thinnest layer, so we won’t use as much clay for that.
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There we go!
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We got the crust done!
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But we still have the blue and green left over to make continents and oceans.
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You can shape the continents to make them look like they do on your globe, or you can make them look however you like.
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It’s your model after all!
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This looks great!
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But now that our model of Earth is done, we can’t see the layers inside.
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So let’s ask a grown-up for help, because I have an idea!
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Ask them to find a butterknife and very carefully cut your globe in half.
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Ooooo! Look at that!
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You can see all of the layers.
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On the outside is the crust, second is the big yellow mantle, next is the outer core, and finally the very middle is the inner core.
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That’s right Squeaks, it does look really cool!
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But there are lots of other ways you can make your own Earth!
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You can try making Earth’s layers with colored construction paper.
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Or if you want to take a more delicious route, you and a grown up can make a four-layered cake, with each layer colored to represent a layer of the Earth!
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Get creative and have fun!
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Thank you for joining Squeaks and me to create the Earth from the inside out, and we’d like to give a big thank you to Google Making Science for helping us make this episode!
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Do you have a globe you want to share with us?
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Or do you have more questions about Earth?
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We’d love to hear from you!
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Just grab a grown-up and leave us a comment down below, or send us an e-mail to [email protected].
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And we’ll see you next time!
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Woordenschat en spreektips bij deze les
Deze video bevat 69 zinnen en 904 woorden om na te spreken. Het gesproken deel duurt 5:19. De spreker praat in een natuurlijk tempo van ongeveer 170 woorden per minuut, dicht bij een alledaags gesprek. 86% van de woorden hoort bij de 3.000 meest gebruikte Engelse woorden; de rest kun je beter vooraf bekijken.
Belangrijke woorden in deze video
14 minder gangbare woorden uit de video, met uitspraak en betekenis:
- layer /ˈleɪ̯ɚ/ (zelfstandig naamwoord) — laag. A single thickness of some material covering a surface.
- mantle /ˈmæn.təl/ (zelfstandig naamwoord) — gloeikous. A piece of clothing somewhat like an open robe or cloak, especially that worn by Orthodox bishops.
- clay /kleɪ/ (zelfstandig naamwoord) — klei. A mineral substance made up of small crystals of silica and alumina, that is ductile when moist; the material of pre-fired ceramics.
- thin /ˈθɪn/ (bijvoeglijk naamwoord) — dun. Having little thickness or extent from one surface to its opposite.
- thick /θɪk/ (bijvoeglijk naamwoord) — dik, dikke. Relatively great in extent from one surface to the opposite in its smallest solid dimension.
- globe /ɡloʊb/ (zelfstandig naamwoord) — wereldbol, globe. The eyeball.
- continent /ˈkɑntɪnənt/ (zelfstandig naamwoord) — werelddeel, continent. One of the main contiguous landmasses, separated by water or geological features, on the surface of a planet, sometimes including its continental shelves and…
- carefully /ˈkɛɹf(ə)li/ (bijwoord) — voorzichtig. With care; attentively, circumspectly.
- delicious /dɪˈlɪ.ʃəs/ (bijvoeglijk naamwoord) — heerlijk, lekker. Pleasing to the sense of taste; tasty.
- beneath /bɪˈniːθ/ — onder. Below.
- dig /dɪɡ/ (werkwoord) — graven, delven. To move hard-packed earth out of the way, especially downward to make a hole with a shovel. Or to drill, or the like, through rocks, roads, or the like. More…
- wrap /ɹæp/ (werkwoord) — inpakken, omhullen. To enclose (an object) completely in any flexible, thin material such as fabric or paper.
- melt /mɛlt/ (werkwoord) — smelten, laten smelten. To change (or to be changed) from a solid state to a liquid state, usually by a gradual heat.
- kilometre /kɪˈlɑmɪtəɹ/ (zelfstandig naamwoord) — kilometer. An SI unit of length equal to 10³ metres. Symbol: km
Phrasal verbs die je zult horen
- grow up (werkwoord) — opgroeien. To mature and become an adult.
- put on /ˌpʊt ˈɒn/ (werkwoord) — aantrekken, opzetten (headgear). To don (clothing, equipment, or the like).
Uitspraak om op te letten
De spreker gebruikt 20 samentrekkingen en verkorte vormen, zoals we'll, can't, we'd. Spreek ze kort uit, zoals je ze hoort.
- De “th”-klanken: thin /ˈθɪn/, thick /θɪk/, beneath /bɪˈniːθ/
Zo oefen je met deze video
- Luister de hele video één keer zonder te spreken en noteer de woorden die je niet kent.
- Begin op 0,75× snelheid, spreek zin voor zin na en ga terug naar normale snelheid zodra het makkelijk gaat.
- Neem jezelf op en vergelijk met het origineel; let daarbij op woorden als layer, mantle, clay.
Grammatica in deze video
De structuren die de spreker het meest gebruikt, met de exacte woorden uit de video:
| Structuur | In de video |
|---|---|
| Present perfect have/has + voltooid deelwoord — iets uit het verleden dat nu nog telt | has ever seen · has ever been · we've never been |
| Lijdende vorm be + voltooid deelwoord — het gaat om wat er gebeurt, niet om wie het doet | been dug · are actually melted · is done |
| Overtreffende trap the -est / the most … — het hoogste of laagste van een groep | The deepest · the thinnest · the thickest |
| Vergrotende trap -er than / more … than — twee dingen vergelijken | deeper than · warmer than |
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.