쉐도잉 연습: Atoms | Middle school chemistry | Khan Academy - 영상으로 영어 말하기 배우기
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You're walking on the street and suddenly you find a piece of gold.
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You pick it up and you get super curious.
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You have a lot of questions in your mind.
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One of the questions is, what happens if you were to break it?
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I mean, surely you can't break it with your own hands, but hey, when has that stopped you from imagining things, right?
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So what happens if you break this?
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Well, you get.. two pieces of gold.
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And then you wonder, well, what if you break it even further?
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you get even more smaller pieces.
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And what if we break it even further?
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We get even more smaller pieces.
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And now you start wondering, He Can I keep doing that?
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Can I keep breaking this piece of gold forever?
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That's what we're gonna talk about in this video.
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This was the question that many ancient philosophers from India, Greece, Rome, and probably many more pondered upon.
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They wondered, if you take any element, remember what elements are?
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These are the hundred, roughly about a hundred, building blocks that make up all the matter in the universe?
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Yeah, gold is an example of them, okay?
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So they wondered, if you take any element, could you keep breaking them down forever?
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And a lot of them thought that maybe the answer is no. Maybe you can't keep breaking it forever.
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Maybe eventually you will get one last, smallest piece of that element.
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A smallest piece of gold, for example, which you cannot break any further.
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A lot of people believed in this idea.
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And the Greeks actually named this smallest piece the atom.
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The word atom literally means uncuttable.
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because they believe that you cannot break this even more.
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Now, for a long time, many people didn't believe in this idea.
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So for centuries, the idea of atom was suppressed.
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until it was revived back by scientists like John Dalton.
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And today we have plenty of evidence that they do exist.
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So, What exactly are atoms?
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Well, think of atoms as the smallest piece of an element that has all the properties of that element.
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It is literally the building block of the element itself.
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For example, What's a gold atom?
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Gold atoms are the smallest pieces of gold, which has all the properties of gold.
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They're the building blocks of gold.
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What's a carbon atom?
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Well, they're the smallest pieces of carbon.
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They're the building blocks of carbon.
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They have all the properties of carbon.
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And just to give you another example, what's mercury atom?
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They're the smallest pieces of mercury.
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They have all the properties of the element mercury, and so on and so forth.
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Now, one question you could be having is, do atoms look like tiny balls?
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And the answer is no, it's just a representation.
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In reality, atoms are so incredibly tiny, we can't even see them with microscopes.
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So how tiny are they, you ask?
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Well, their size is incredibly hard to comprehend.
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So here's a way to think about it.
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How many gold atoms do you think you'll find in a gold ring?
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Typical gold ring.
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Well, it's not millions, not billions, it's sextillions!
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That's one followed by 21 zeros!
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That many atoms you'll probably find in a gold ring.
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And just to get a sense of this number, scientists estimate that that is roughly about the total number of stars in the observable universe.
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Let that sink in.
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That's how small atoms are.
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So long story short, almost all the matter in the universe, from the microbes to dogs and cats to mountains to planets and stars and almost everything that you see in this universe,
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they're all fundamentally made of elements.
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These are the building blocks of all the matter in the universe.
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We have about a hundred of them.
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But what are elements fundamentally made of?
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Elements like gold or any other element for that matter, they are fundamentally made of atoms.
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They are the smallest pieces of the elements, the building blocks of the elements that contain all the properties of the universe of that element.
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이 레슨의 어휘와 말하기 포인트
가장 자주 반복되는 단어는 다음과 같습니다: atom, element, gold, piece, smallest. 이 영상에는 섀도잉할 문장 64개와 단어 687개가 있습니다. 말하는 구간의 길이는 4:06입니다. 화자는 분당 약 168단어로, 일상 대화에 가까운 자연스러운 속도로 말합니다. 단어의 86%가 영어에서 가장 많이 쓰이는 3,000단어에 속합니다. 나머지는 연습 전에 미리 확인해 두세요. 전체 64문장 중 19문장이 질문이어서 의문문 억양과 짧은 대답을 연습하기에 좋습니다.
이 영상의 핵심 어휘
영상에서 가장 어려운 단어 8개를 발음, 뜻과 함께 정리했습니다.
| 단어 | 발음 | 뜻 |
|---|---|---|
| atom 명사 | /ˈætəm/ | 원자, 아톰 |
| mercury 명사 | /ˈmɜɹkjəɹi/ | 수은 |
| scientist 명사 | /ˈsaɪəntəst/ | 과학자 |
| microbe 명사 | /ˈmaɪkɹoʊb/ | 미생물 |
| ponder 동사 | /ˈpɑn.dəɹ/ | 숙고하다 |
| microscope 명사 | /ˈmaɪ.kɹəˌskoʊp/ | 현미경 |
| philosopher 명사 | /fəˈlɑsəfɚ/ | 철학자 |
| sink 동사 | /ˈsɪŋk/ | 가라앉다 |
따라 말해 볼 만한 문장
영상에 나오는 짧고 완결된 문장으로, 일상 대화에서 그대로 쓸 수 있습니다:
- Can I keep breaking this piece of gold forever?
- That's what we're gonna talk about in this video.
- They wondered, if you take any element, remember what elements are?
- Maybe you can't keep breaking it forever.
이 영상의 문법
화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.
| 문형 | 영상 속 표현 |
|---|---|
| 수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점 | was suppressed · was revived |
| 최상급 the -est / the most … — 집단에서 가장 높거나 낮은 것 | the smallest |
| 동사 + -ing enjoy, keep, stop… + -ing — 뒤에 -ing형이 오는 동사 | start wondering · keep breaking |
| “will” 미래 will + 동사 — 결정, 약속 또는 예측 | will get · you'll find · you'll probably find |
주의할 발음
화자는 they're, can't, you'll 같은 축약형과 약화된 형태를 14번 사용합니다. 들리는 대로 짧게 발음하세요.
- 긴 단어 — 강세 위치에 주의: observable /əbˈzɜː.və.bəl/, philosopher /fəˈlɑsəfɚ/
한국어 화자가 어려워하는 소리:
- /v/ — ㅂ(/b/)과 구별하기: observable /əbˈzɜː.və.bəl/, revive /ɹɪˈvaɪ̯v/
이 영상으로 연습하는 방법
- 먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
- 0.75배속으로 한 문장씩 섀도잉을 시작하고, 익숙해지면 보통 속도로 돌아갑니다.
- 자신의 목소리를 녹음해 원본과 비교하고, atom, mercury, scientist 같은 단어에 특히 주의합니다.
쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법
쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.