쉐도잉 연습: Astronaut Experiment: Crash Course Kids #32.2 - 영상으로 영어 말하기 배우기
레슨 만드는 중...
1
Seeing is believing, right?
2
That's what people say, and that's why some things can be kind of hard to understand.
3
Things can look a certain way, but sometimes there's a lot more going on than what your eyes can show you.
4
Like last time we learned that all objects, no matter how massive or heavy they are, fall at the same speed on Earth.
5
But objects can seem to fall at different speeds because of a little something called air resistance, the friction between a moving object and air.
6
So if I drop a hammer and a feather from the same height at the same time, the hammer is going to hit the ground before the feather.
7
Now, that's great and all, but do we know that air resistance is what affects how fast things fall here on Earth?
8
To figure this out, let's start by going back to our old friend, Commander Dave Scott.
9
He is the astronaut who dropped the feather and the hammer on the moon back in 1971.
10
And when he dropped them both at the same time, they reached the ground, or at least, the surface of the moon, at the same time, even though the hammer,
11
obviously, had a lot more mass than the feather.
12
So why did Commander Scott get different results from his experiment,
13
whereas if I did, the hammer would hit the ground first? has almost none.
14
So as the feather falls through the air on Earth, its flat fluffy shape makes it run into a lot more air resistance than the hammer does.
15
In other words, on both Earth and the moon, it's not a difference in gravity that causes the hammer to hit the ground before the feather, it's a difference in air resistance.
16
But in order to prove it, we have to do an experiment, like Commander Scott's, but do it on Earth.
17
This looks like a job for Cartoon Sabrina.
18
For this experiment, she's going to need a ball, a little parachute, and a spacesuit.
19
First, let's watch as Mini -Me climbs up a ladder and drops a ball.
20
We'll see how long it takes to hit the ground and write down the data.
21
Now let's take the same ball and attach a little parachute to it.
22
We'll drop it again from the ladder
23
and we see it takes longer for the ball with the parachute to hit the ground.
24
Why?
25
Because there's more friction between the ball -parachute combo and the air than just the ball alone.
26
More friction means more air resistance, and more air resistance means a longer time to reach the ground.
27
That adds up, right?
28
But if we're going to do something like Commander Scott did on the moon, we have to ask: what would happen if there were no atmosphere?
29
For this part of the experiment, we'll need to create a vacuum, an area where there is no air.
30
So we'll repeat the experiment in a large, airtight room and pump out all of the air, and in you go, Cartoon Sabrina.
31
What do you think will happen when Cartoon Me drops the same two things, the ball with the parachute and just the ball, in a room with no air?
32
It makes sense that no air means no air resistance, right?
33
Let's see.
34
First, Cartoon Me drops the ball from the ladder again, and we record the time.
35
And then see what happens when we attach the ball to the parachute.
36
Well, now the parachute doesn't make much of a difference in how long it takes for the ball to hit the ground.
37
In fact, the parachute doesn't even open.
38
That's because in a vacuum there is no air.
39
No air means no air resistance, and when we take away air resistance, we take away the force that slows down the object that's falling,
40
and that means objects dropped from the same height will hit the ground at the same time.
41
Scott did on the moon.
42
Thanks little me.
43
So, air resistance, or the friction between a moving object and the air, has a huge effect on how fast things fall on Earth.
44
We can support this argument with the evidence we got from our investigation.
45
When it comes to objects falling on Earth, it's the resistance that makes the difference.
46
I may not have made it to the moon myself yet, but at least Cartoon Me has managed to recreate a famous astronaut experiment.
47
Oh
📺 같은 채널
A22
Down to Earth: Crash Course Kids #4.2
KidsTeens+2
A21
The Engineering Process: Crash Course Kids #12.2
KidsTeens+2
A22
Climate Change: Crash Course Kids #41.2
KidsTeens+2
A21
Here Comes the Sun: Crash Course Kids #5.1
KidsTeens+2
A24
Defining a Problem: Crash Course Kids #18.1
KidsTeens+2
A23
Danger! Falling Objects: Crash Course Kids #32.1
KidsTeens+2
A24
Over (to) The Moon: Crash Course Kids #13.2
KidsTeens+2
A26
Resources: Welcome to the Neighborhood - Crash Course Kids #2.1
KidsTeens+1
B13
Defining Gravity: Crash Course Kids #4.1
Kids
A22
The Great Escape: Crash Course Kids #13.1
KidsTeens+2
✨ 추천 영상
A21
51 문장
Space
KidsTeens+2
A21
41 문장
Science Fair: Gravity and Free Fall
KidsTeens+2
A21
157 문장
Space Goofs - Back to school Blues (S2E37) Full Episode in HD
KidsTeens+2
A25
55 문장
What if You Landed on Kepler-22b? | Exploring a Mysterious Alien Planet | The Dr. Binocs Show
KidsTeens+2
A23
31 문장
unit 6 grade 6 spelling #animation
KidsTeens+2
A21
133 문장
🏢 THE BIG EARTHQUAKE! Trapped in a Skyscraper | Slow English Story | A1/A2 English
KidsTeens+2
A230 문장
Academy Stars 4 - Unit 4 Lesson 2
KidsTeens+2
A2295 문장
The best English 2 . Learn to speak English.
KidsTeens+2
A21
699 문장
Lumi Hid in Kavin’s Backpack..Then the Whole Class Started Floating! 😱👽| Easy English Listening (A2)
KidsTeens+2
A26
58 문장
What If The Moon Split In Half? | Moonquake | The Dr Binocs Show | Peekaboo Kidz
KidsTeens+2
이 수업에 대하여
이번 수업에서는 중력과 공기 저항이 물체의 낙하 속도에 미치는 영향을 탐구할 것입니다. 특히 아스트로넛 대이브 스콧이 달에서 수행한 실험을 통해 우리는 왜 달에서는 하늘과 달리 낙하 속도의 차이가 없었는지를 이해할 수 있습니다. 이 수업은 공기 저항과 그로 인한 물체의 낙하 결과를 실험을 통해 체험하고, 이를 통해 영어 회화 연습에도 활용할 수 있는 기회를 제공합니다.
주요 어휘 및 구문
- 공기 저항 (air resistance)
- 낙하 속도 (falling speed)
- 중력 (gravity)
- 실험 (experiment)
- 진공 (vacuum)
- 프릭션 (friction)
- 대이브 스콧 (Commander Dave Scott)
- 낙하 (fall)
연습 팁
이번 비디오의 속도와 톤을 고려할 때, shadow speak 방법론을 활용하세요. 비디오의 속도가 비교적 빠르므로 다음과 같은 방법으로 연습할 수 있습니다.
- 처음에는 비디오를 천천히 재생하여 각 문장을 명확히 듣고 따라 말해보세요.
- 비디오의 중요한 순간에서 잠시 멈추고 직후에 이어서 말해보세요. 이 방법은 영어 쉐도잉 기술을 연습하는 데 유용합니다.
- 모든 문장을 단순히 따라하는 것이 아니라, 감정과 억양에 주의하여 말해보세요. 이로 인해 유튜브 영어 공부의 효과가 배가됩니다.
- 마지막으로, 실험에 대한 설명을 직접 친구나 가족에게 해보는 것도 좋습니다. 이를 통해 IELTS 스피킹을 준비하는 데 있어 실제 대화에서 필요한 어휘력을 기를 수 있습니다.
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.