跟读练习: Let's Make Slime! | Experiment | SciShow Kids - 通过YouTube学习英语口语
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♩♩Intro♩♩ Squeaks has been asking when we're going to make slime for a really long time now.
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♩♩Intro♩♩ Squeaks has been asking when we're going to make slime for a really long time now.
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And so have lots of our viewers!
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Well, guess what, Squeaks?
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Today's the day!
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It’s gonna be squishy, and smooth, and…probably pretty slimy.
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And you can make it with a few simple ingredients that you probably already have at home!
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First, you'll need a bowl, a measuring spoon, a stick or plastic spoon for mixing, a container if you want to store your slime when you're done, and a grown-up to help.
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Our slime is going to be made out of regular school glue, baking soda, food coloring, and contact solution.
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The contact solution should have something called boric acid in it, which a lot of them do — you can ask a grown-up to help you make sure.
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All the ingredients we're using are safe to touch — that's the whole point of slime!
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But it's not for eating.
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Now for the fun part: let’s start making some slime!
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First, pour the glue into the bowl.
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And I bet you can guess what it’s for!
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[Squeaks squeaks] That's right!
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To make it sticky.
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But maybe not in the way you're expecting.
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Glue is sticky, but it's still very liquidy.
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To make slime, we need to make the glue stick to itself so it becomes a big ball of goop we can pull apart and squeeze together.
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That's what the other ingredients are for!
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Well, except the food coloring.
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That's just to make the slime a cool color.
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So the next thing we're going to do is add one tablespoon of baking soda to the glue.
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We’ll mix the baking soda and the glue together until it's completely dissolved.
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Then, we’ll add a few drops of food coloring and mix it together.
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Keep adding food coloring until you make the color you want!
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We're using fushcia.
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Hmmm. I know it's the right /color/, but does this look like finished slime to you, Squeaks?
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[Squeaks squeaks] Naw, it still looks too liquidy.
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What do you think will happen when we add the contact solution?
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Let's see. I’m going to start adding the contact solution one teaspoon at a time so we can really observe what’s happening.
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Oh wow! It’s really starting to get more goopy!
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I’m going to add another teaspoon and keep stirring.
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It looks like the slime is getting even thicker and stickier now.
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It’s even sticking to itself!
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That’s because of the way the baking soda and contact solution we added are changing the glue.
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The little tiny pieces, or molecules, that make up glue are too small for us to see.
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But if you could, you'd see that they're a lot like tiny chains.
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At first, the glue was very runny because the chains were all sliding around each other.
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But the baking soda and contact solution made the chains get all tangled up!
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That's why the mixture sticks to itself and becomes more like a ball of slime.
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Once the slime is sticking to itself more than the bowl, you’ll know it’s almost ready!
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If your slime is still runny, keep slowly adding a little more contact solution to the glue and baking soda mixture.
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Finally, to get your slime to the perfect level of sliminess, you’ll have to knead it with your hands, either in the bowl or on a surface that's easy to clean.
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Keep kneading and stretching and even squishing it together until it’s the perfect slime consistency!
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This slime is so cool!
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I can form it into a ball and it’s almost solid, but I can also pull it apart and let it drip down.
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It’s almost like the slime is like a solid and a liquid at the same time!
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And that's what makes slime so special.
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Most types of liquids only turn solid when they freeze, like when water freezes into ice.
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And most types of solids only turn liquid when they melt!
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But slime is different.
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When you just leave it alone, it spreads out in the bowl like a liquid.
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Even though the little chains in the slime are connected to each other, they can still slide around each other enough to flow like a liquid.
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But when you press it together or pull it apart, the chains get more tangled, and the slime becomes much more like a solid!
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Just like the oobleck we made one time, remember, Squeaks?
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[Squeaks squeaks] Yeah!
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Keep playing around with your slime to see what else you can discover about it!
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When you’re done, you can put it away in a container so it doesn’t dry out, and just make sure to wash your hands when you're done.
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But most important of all: have fun!
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Did you make this slime?
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What did you learn about it?
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Ask a grown-up to help you leave a comment below, or send us an email at [email protected].
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We’ll see you next time here at the Fort!
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♩♩Outro♩♩
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为什么要通过这个视频练习口语？
在这个科学实验的视频中，主持人通过有趣的方式展示了如何制作史莱姆。这个过程不仅激发了孩子们的创造力，也为学习英语提供了良好的口语练习环境。在观看视频时，学习者可以模仿主持人的发音和表达，增强自己的英语口语能力。通过这种英语影子跟读(shadow speak)的方法，学习者不仅能提高口语流利度，也能加深对英语词汇和句式的理解。
语法与表达的背景
视频中使用了很多有用的表达和结构，以下是几个关键点：
- 用词的清晰性：主持人在描述制作史莱姆所需的材料时，使用了简单而明确的词汇，如“碗”、“胶水”和“食用色素”。这种清晰性有助于学习者理解基本词汇。
- 命令句：例如“先倒入胶水”，这种指令性语言适合在我们日常交流中使用。模仿这些句子可以帮助学习者在实际对话中更自信地表达自己。
- 时态的应用：视频中常使用现在进行时来描述制作过程，如“I’m going to add…”。这种用法适合正在进行的活动，促使学习者学习何时使用不同的时态。
常见的发音陷阱
在这个视频中，一些单词的发音可能对学习者构成挑战：
- “slime”（史莱姆）- 注意这个词中的“sl”声母，确保发音流畅。
- “baking soda” （小苏打）- 尤其是“soda”部分，要注意发音清晰，以免与其他类似词混淆。
- “contact solution” （隐形眼镜溶液）- 这个短语中有多个音节，学习者应注意连读，以提高口语自然度。
通过在观看这个视频的同时，利用shadowing site提供的技术，学习者能够更好地掌握这些发音和表达，提升他们的英语口语练习（shadow speech）能力。
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。