Shadowing Practice: Science Fair: Gravity and Free Fall - Learn English Speaking with Video
Les maken...
1
Hey guys, it's me, Samara.
2
And I'm Brandon.
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And welcome back to the Adventure Academy Science Fair.
4
Hey, Samara.
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I've had a question that's really been bothering me.
6
What's that?
7
Oh, that's a weird one.
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I was reading about in an article how a scientist in the late 1500s by the name of Galileo, cool name, said that if two objects dropped,
9
one heavy and one light, that gravity would pull them down at the same exact speed.
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That's correct, but what's got me confused is this.
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If I drop the rock and the feather at the exact same time, the rock always falls faster.
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So how could Galileo have been right?
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Ah, I see.
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The thing is, when you drop things here on Earth, gravity isn't the only force acting on them.
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While the force of gravity is pulling them down, The air below them is pushing them up.
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Scientists call this force air resistance.
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And back in 1971, astronaut David Scott did the experiment on the moon by dropping a feather and his rock hammer.
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Since the moon has no air, the feather and the hammer hit the ground at the same time, even though the hammer was much heavier.
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That seems like something I really want to try out for myself.
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The eagle has landed.
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Well, we might not be able to do it with the feather and the rock, but we could do it with a book and a piece of paper.
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Go on.
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Okay, hold the book in one hand
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and the paper in the other at the exact same height and drop them at the same time.
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You see?
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The book fell down because it's heavier.
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Not so fast, oh skeptical one.
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Put the paper on top of the book.
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And then see what happens.
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Okay.
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What?
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Whoa, whoa, whoa!
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How did that happen?
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Science.
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When you put the paper on top of the book, the book blocked the air from painting the bottom of the paper.
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This got rid of the air resistance on the paper.
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Okay, you convinced me, but I still would like to do this on the moon.
38
Anyway, there you guys go.
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Another cool science mystery solved with the help of experiments.
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See you guys next time.
41
Bye!
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Woordenschat en spreektips bij deze les
Deze video bevat 41 zinnen en 378 woorden om na te spreken. Het gesproken deel duurt 2:32. De spreker praat in een gelijkmatig tempo van ongeveer 149 woorden per minuut, prettig om te shadowen. 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
12 minder gangbare woorden uit de video, met uitspraak en betekenis:
- feather /ˈfɛðə/ (zelfstandig naamwoord) — veer, veder. A branching, hair-like structure that grows on the bodies of birds, used for flight, swimming, protection and display.
- hammer /ˈhæmɚ/ (zelfstandig naamwoord) — hamer. A tool with a heavy head and a handle used for pounding.
- experiment /ɪkˈspɛɹ.ə.mənt/ (zelfstandig naamwoord) — experiment, proef. A test under controlled conditions made to either demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy or likelihood of…
- scientist /ˈsaɪəntəst/ (zelfstandig naamwoord) — wetenschapper, wetenschapster. One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research…
- confused /kənˈfjuːzd/ (bijvoeglijk naamwoord) — verward, in de war. unable to think clearly or understand
- mystery /ˈmɪs.t(ə.)ɹi/ (zelfstandig naamwoord) — mysterie. Something secret or unexplainable; an unknown.
- solve /sɒlv/ (werkwoord) — oplossen. To find an answer or solution to a problem or question; to work out.
- bother /ˈbɑðɚ/ (werkwoord) — storen. To annoy, to disturb, to irritate; to be troublesome to, to make trouble for.
- convince /kənˈvɪns/ (werkwoord) — overtuigen. To make someone believe, or feel sure about something, especially by using logic, argument or evidence.
- eagle /ˈiːɡəl/ (zelfstandig naamwoord) — arend, adelaar. Any of several large carnivorous and carrion-eating birds in the family Accipitridae, having a powerful hooked bill and keen vision.
- skeptical /ˈskɛptɪkəl/ (bijvoeglijk naamwoord) — sceptisch. Having, or expressing doubt; questioning.
- astronaut /ˈæstɹəˌnɔt/ (zelfstandig naamwoord) — ruimtevaarder, astronaut. A member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose.
Phrasal verbs die je zult horen
- fall down /fɔl ˈdaʊn/ (werkwoord) — neervallen. To fall to the ground. To collapse.
- go on /ˈɡoʊˌɒn/ (werkwoord) — verder gaan. To continue in extent.
Uitspraak om op te letten
De spreker gebruikt 3 samentrekkingen en verkorte vormen, zoals I'm, I've, isn't. Spreek ze kort uit, zoals je ze hoort.
- De “th”-klanken: feather /ˈfɛðə/, bother /ˈbɑðɚ/
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 feather, hammer, experiment.
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.