Lesson 25 Let’s Do an Experiment 教案 2023-2024学年冀教版英语九年级

　Lesson 25 Let’s Do an Experiment!教学设计
一、【教学目标】1.知识能力目标：
1.Master the words: experiment,jar,upside,pour---, turn…upside down,pour out---
2.Let the students use the knowledge to introduce the process of doing experiments.
2.过程方法目标：Through learning, improve the students’ ability of speaking, listening, reading and writing.Develop students' interest in science.
3.情感态度和价值观目标：Students can enjoy the pleasure of science.
二、【教学重难点】
重点：掌握本课相关的词汇、短语和句型。
难点：让学生能够运用所学知识介绍自己做实验的过程。
三、【教学方法和用具】：合作教学法，多媒体、PPT
四、【课时安排】1课时 2021年( )月( )日星期( )
五、【教学过程】
I、导入环节（2分钟）（一）导入新课，板书课题
导入语：Good morning, class. How are you Today, we are going to learn：
Lesson 25 Let’s Do an Experiment!
（二）出示学习目标
过渡语:First ,let’s read the learning goals together.
1.我要掌握单词和短语：experiment,jar,upside,pour---, turn…upside down,pour out---
2.通过学习，我能运用所学知识介绍自己做实验的过程。
过渡语:I believe everyone can achieve your goal Can you Let’s begin .
II、先学环节（15分钟）
过渡语:First look at the guides carefully and then finish the tasks step by step.
（一）出示自学指导
1.读课文，划出不熟悉的单词、短语和句子 2.完成自学检测
（二）自学检测反馈 I)．找出本课生词（英语、词性、汉语意思）
（1）____________________（2）_____________________（3）__________________
（4）____________________（5）_____________________（6）__________________
（7）____________________（8）_____________________（9）__________________
（10）___________________（11）____________________（12）_________________
Ⅱ找出本课短语：1.做实验________________2.用…装满…________________　
3.用…覆盖…________________ 4.把…翻转；倒过来________________ 　
5.把…拿开________________　6.be sure of ________________
7.pour out ________________8.scientific method ________________
参考答案：1.do an experiment 2.fill…with… 3.cover…with… 4.turn…upside down　
5.take…off 6.对……有把握　7.涌出　8.科学方法
III.完成下列句子。1.我想地面会被弄湿。I think the floor will ________ ________．
2．让我们测验一下哪种理论是正确的。Let's test ________ ________ ________ ________．
3．那被叫作科学方法。That's called ________ ________ ________．
4．我对我的理论很有把握，布莱恩能在你的头上做实验，而且我知道你不会被淋湿。
I ________ ________ ________ ________ my theory________ Brian can do the experiment over your head and I know you won't get wet.
5. 布莱恩把他的手从硬纸板上拿开。Brian ________ his hand ________ the cardboard.
6．它足够强大，可以将水托住。It is ________ ________ ________ hold the water.
7．我总结出空气比我想象的更强大。I ________ that air is ________ ________ I thought.
参考答案：1.get wet　2.which theory is correct 3.the scientific method 4.am so sure of; that 5.takes; off 6.strong enough to 7.conclude; stronger than
（三）质疑问难
过渡语:After learning ,do you have any questions If you have some questions, put up your hands.请你把自学过程中的问题提出来，然后在班内解决。--------
III、后教环节（15分钟）
过渡语: Next ,let’s learn and discuss some important language points.
学法指导：先独立思考合作探究当中的问题，然后注意结合例句，小组讨论本课语法知识点，不理解的提交班内解决。
探究一: Reading 1.Read the text and finish “Let’s Do it” Part 1-2.
2.Read the text again and translate the following sentences into Chinese.
(1).I think the floor will get wet.
(2).We should do this experiment outside,Brian.
(3).That’s called the scientific method.
(4).He puts on a raincoat and sits down.
(5).How is that possible
(6).It is strong enough to hold the water.
探究二: Language Points
1.be sure of 确信 I am sure of what he said. 我确信他所说的。与sure有关的结构:
(1)be sure to do sth. 一定会做某事(一般指局外人的推测，主语可以是人，也可以是物) He is sure to win. 他一定会赢。 (2)be sure＋ that从句 确信 He is sure that he can succeed.
他确信他能成功。(3)make sure ＋that从句 查明，弄清 She looked around to make sure that she was alone.她往四下里看看，是不是只有她一个人。 (4)for sure 无疑，肯定 He will be here for sure within an hour.他一小时之内肯定到这儿。
2.put on 穿上；戴上；上演 He puts on his best clothes for the party. 为了聚会他穿上了他最好的衣服。与put有关的短语：(1)put up 挂上，张贴，建立，举起 It’s time we put up the Christmas decorations in the living room.我们该在起居室里挂上圣诞装饰品了。 (2)put away 把……收起，储存 The fruit should be carefully put away.水果应小心存放起来。 (3)put out 熄灭，扔掉 They managed to put out the fire.他们设法把火扑灭了。 (4)put off 推迟，延迟 Why don’t you put off the meeting？你们为什么不推迟会议？
3.辨析 find，discover与invent
(1).find 找到，侧重于找到过去丢失的人或物，但有时也表示凭经验或偶然发现了一种东西。 I can’t find my English book.我找不到我的英语书了。
(2)discover 指“发现，找到”本已存在，但尚未被人类发现或认识的事物。 Columbus discovered America in 1492.哥伦布于1492年发现了美洲。
(3)invent 指“发明，创造”出世界上本来不存在的东西。如工具、方法、手段等。 Mr. Smith invented a new teaching method.史密斯先生发明了一种新的教学方法。
探究三：Finish “let’s do it” Part3-4.
IV、训练环节（13分钟）I).根据句意及提示补全单词。
1. Which answer do you think is ______ (正确的)
2. Can you tell me some good ______ (方法) of English learning
3. The ______ (力量) of the wind is so strong that it blew down a tree.
4. The glass is broken. Now, some water ______ (pour) out of it.
5. I think we should solve the problem in a ______ (science) way.
参考答案：1. correct 2. methods 3. force 4. is pouring 5. scientific
Ⅱ). 翻译下列句子，每空一词
1.你确定你的想法吗？_____ you _____ _____ your idea.
2.别把水倒出来，否则地板就湿了。Don’t _____ the water _____, or the floor will get wet.
3.他足够强壮可以举起那块石头。He is _____ _____ _____ _____ that stone.
4.脱下外套，这里很热。It’s hot here. Please _____ _____ your coat.
5.我们做一个物理实验吧。Let’s _____ _____ physics ______.
参考答案：1. Are sure of 2. pour out 3. strong enough to lift 4. take off 5. do a experiment
课堂总结：OK ！That’s all for today! Today’s homework is Unit Review.You are expected to complete this part of the homework ahead of time after class.
六、【板书设计】
Lesson 25 Let’s Do an Experiment!
1.be sure of 确信 2.put on 穿上；戴上；上演 3.辨析 find，discover与invent
七、【教学反思】