シャドーイング練習: Unpoppable Bubbles! | Summer Experiments | SciShow Kids - 動画で英語スピーキングを学ぶ
レッスンを作成中...
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Alright, ready, Squeaks?
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I love blowing bubbles with you too, Squeaks!
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Oh hi there!
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Squeaks and I have been having fun with bubbles today.
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It’s one of our favorite things to do together, and it’s really simple!
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A soap bubble is made with just a few ingredients: water, soap, and the most important ingredient: air!
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When you blow air into soapy water, all the ingredients mix together.
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The water and soap cover the ball of air like blankets.
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And together they make a round shape that can float around in the air!
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At least, until the bubbles pop.
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Oh, good question, Squeaks.
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Why do bubbles pop?
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Well, water is really sneaky.
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As soon as you put it in a bubble, it tries to escape.
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And when the water gets away, the air trapped inside the bubble can follow it and escape too -- and then what do you think happens?
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Yes -- the rest of the bubble falls apart, and it goes pop!
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The soap holds the water inside as long as it can, but eventually, every bubble bursts.
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Oh I know - it is true.
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Soap bubbles do pop pretty quickly.
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An unpoppable bubble would be pretty fun!
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I wonder how we could make one?
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I know! Let’s try an experiment!
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I think if we make the soap thicker, maybe that will help to keep our bubbles around longer.
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There are lots of thick bubble soap recipes that we can make here at home.
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What do you think, Squeaks, should we try one out?
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We’ll need 4 Tablespoons of water and 1 Tablespoon of dish soap, just like our first bubble solution.
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Now, we’ll add our special ingredient: 2 Tablespoons of sugar.
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Oh, good question!
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The sugar should help the bubble.
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It’s going to help make the soap layers of our bubble really thick.
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I’ll stir until I can’t see the sugar anymore.
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Alright, it’s time to compare our bubbles!
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We’ll count how many seconds it takes one of our old bubbles to pop, and then see how many seconds it takes one of our new bubbles to pop.
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First, our old bubble.
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Wow! Not bad.
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That bubble lasted 30 seconds!
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Now, let’s see how the thicker bubbles do.
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Wow, that bubble lasted way longer.
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The thicker bubble lasted 90 seconds!
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That’s 60 seconds longer than the bubble without any sugar.
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Ooo - I would love to do more bubble experiments!
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There are lots of bubble recipes we could try.
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We could replace the sugar with something like corn syrup or glycerin, and if we get our hands wet, we could even try holding the bubbles.
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How long do you think you could make a bubble last?
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Can you think of any special ingredients that might help bubbles not to pop?
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Do you think there’s a way to make an unpoppable bubble?
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Ask a grown-up to help you with your own bubble experiments, and remember, if you want to keep experimenting and learning with me, Squeaks, and all of our friends, be sure to hit the subscribe button, and we’ll see you next time, here at the Fort.
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このレッスンの語彙とスピーキングのポイント
この動画には、シャドーイング用の文が47文、単語が510語あります。 音声の長さは4:03です。 話す速さは1分あたり約126語で安定しており、シャドーイングしやすいペースです。 単語の79%は英語の頻出3,000語に含まれます。残りは練習の前に確認しておきましょう。
この動画の重要語彙
動画に出てくる覚えておきたい単語15語を、発音と意味つきで紹介します。
| 単語 | 発音 | 意味 |
|---|---|---|
| bubble 名詞 | /ˈbʌbəl/ | 泡 |
| soap 名詞 | /soʊp/ | 石鹸, シャボン |
| thick 形容詞 | /θɪk/ | 太い, 厚い |
| ingredient 名詞 | /ɪnˈɡɹiːdi.ənt/ | 成分, 原材料 |
| experiment 名詞 | /ɪkˈspɛɹ.ə.mənt/ | 実験 |
| compare 動詞 | /kəmˈpɛɚ/ | 比べる, 比較する |
| layer 名詞 | /ˈleɪ̯ɚ/ | 層, 膜 |
| trap 名詞 | /tɹæp/ | 罠 |
| dish 名詞 | /dɪʃ/ | 皿 |
| corn 名詞 | /ˈkɔːn/ | 穀物 |
| burst 動詞 | /bɜːst/ | 破裂する |
| blanket 名詞 | /ˈblæŋ.kɪt/ | 毛布 |
| subscribe 動詞 | /səbˈskɹaɪb/ | 購読する |
| stir 動詞 | /stɝ/ | 掻き混ぜる, 攪拌する |
| float 動詞 | /fləʊt/ | 浮かぶ, 浮く |
注意したい発音
話し手はwe'll, can't, I'llなど、短縮形や弱形を6回使っています。聞こえたとおりの短い形で発音しましょう。
- 長い単語（アクセントの位置に注意）: ingredient /ɪnˈɡɹiːdi.ənt/, experiment /ɪkˈspɛɹ.ə.mənt/
この動画での練習方法
- まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
- 通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
- 自分の声を録音して元の音声と比べます。bubble, soap, thickなどの単語に特に注意しましょう。
この動画の文法
話し手がよく使っている文型を、動画の実際の表現とともに紹介します。
| 文型 | 動画での表現 |
|---|---|
| 「should」による助言 should + 動詞 — したほうがよいことを伝える | should we try · should help |
| 動詞 + -ing enjoy, keep, stop… + -ing — 後ろに-ing形が続く動詞 | love blowing · keep experimenting |
| 「will」の未来表現 will + 動詞 — その場の決定、約束、予測 | will help · We'll need · we'll add |
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。