UNIT 4 Look into Science! Lesson 25: Let's Do an Experiment!-英语课

时间：2018-12-13 作者：英语课 分类：河北教育初中英语（初中起点）八年级下册

英语课

[ti:UNIT 4 Look into Science! Lesson 25: Let's Do an Experiment!]

[0:00.466]UNIT 4 第四单元

[0:02.644]Lessons 25～32 第25~32课

[0:05.438]Look into Science! 观察科学！

[0:07.483]You Will Learn 你将学到

[0:08.630]Functions 实际应用

[0:09.678]·Certainty and Uncertainty 1 确定及不确定

[0:12.221]·Sequence 顺序

[0:13.468]Grammar 语法

[0:14.566]·The Simple Future Tense 一般将来时

[0:16.810]Structures 固定结构

[0:18.207]·fill/cover... with 用……把……装满/盖住

[0:20.502]·right side up 正面朝上

[0:22.198]·take away 取走

[0:23.594]·turn... upside 2 down 把……翻转

[0:25.739]·use up 用完

[0:27.136]Lesson 25: 第二十五课：

[0:29.031]Let's Do an Experiment! 让我们做一个实验吧！

[0:31.194]THINK ABOUT IT! 想一想

[0:32.797]·Do you like to do experiments? ·你喜欢做实验吗？

[0:36.337]What experiments have you done? 你作过什么样的实验？

[0:39.209]·What experiment is Brian going to do? ·布赖恩要做的是什么实验？

[0:42.816]·What's Danny's theory about what will happen? ·对于将要发生的事，丹尼的理论是什么？

[0:46.423]One Experiment, Two Theories 一个试验，两个理论

[0:51.099]A "theory" is an idea. 一个“理论”是一个观点。

[0:53.504]A theory predicts 3 what will happen. 理论预见将会发生什么。

[0:56.643]An experiment shows what happens. 试验展示发生了什么。

[1:00.317]Did you read about this experiment, Danny? 丹尼，你读过关于这个实验的事吗？

[1:03.389]I fill a jar with water. 我在广口瓶中加了水。

[1:05.460]I cover the top with a piece of cardboard 4. 我用一片纸板盖住了顶部。

[1:08.933]Then, I turn the jar upside down. 之后，我把广口瓶倒置。

[1:12.674]Guess what will happen! 猜一猜会发生什么事！

[1:15.145]I'm not sure. 我不确定。

[1:16.481]I think the floor will get wet. 我想地板会湿的。

[1:19.020]Maybe you should do this experiment outside, Brian! 或许你应该在户外做这个实验，布赖恩！

[1:23.027]No, we can do it inside. 不，我们可以在里面做。

[1:25.899]I'm sure the floor won't get wet. 我确信地板不会湿的。

[1:29.172]Why not? 为什么不会湿呢？

[1:30.575]The cardboard can't keep the water in the jar! 纸板挡不住广口瓶中的水！

[1:34.430]Let's do the experiment and see what happens. 让我们做这个实验看看会发生什么事。

[1:38.972]Brian has one theory, and Danny has another. 布赖恩有一个理论，而丹尼有另一个。

[1:43.915]We can prove who's right. 我们可以证明谁说得对。

[1:46.921]Great! 太棒了！

[1:47.856]We'll do the experiment and observe what will happen. 我们将做这个实验，并观察会发生什么事。

[1:51.797]That's called the scientific method. 这被称为科学方法。

[1:55.195]Learning Tips 学习贴士

[1:57.413]Observe is another way of saying watch carefully. “Observe”与“watch carefully”表达的意义相同。

[2:02.335]LET'S DO IT! 做一做!

[2:04.012]If Brian does the experiment, will the floor get wet? 如果布赖恩做实验，地板会湿么？

[2:08.773]Imagine what will happen. With a partner, make up a dialogue. 想象一下会发生什么？和一个伙伴做对话。

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