冀教版八年级英语下册unit 4 导学案

1、Lesson25 lett do an experiment!学习目标：1. Mastery words and expressions: science , experiment, fill, prove 2. Encourage students to speak English in class.学习重、难点：1. Use the Simple Present Tense. 2. How to express an experiment. 3. Express certainty and uncertainty 一、自主预习：1.自读课文，在语言环境中记忆本课单词。2.小组内互查单词读写

2、情况。3.在课文中找出下列短语画出来，结合上下文写出汉语意思，并记住。(1) a piece of cardboard (2) fillin; (3) coverwith (4) turnupside down. (5) upside down (6) right side up (7)scientific method二、预习自测：1.短语自测：(1)给广口瓶装入水 (2)用硬纸板盖住瓶口(3)把广口瓶翻转过来 (4)做一个实验给广口瓶装入水 (5)科学的方法2. 通过对课文的预习，你知道怎样做实验吗？Lets do an interesting experiment. First, I _

3、 a jar _a desk, _it _ water, then _the top _ a piece of cardboard. When I _the jar _ _, can you guess what will happen?三、重、难点点拨（知识拓展）： 以下知识点需要大家在文中画出来1. I fill a jar with water. 我用水把瓶子装满 fill with意思是 _（主语是人）例如：他已经把书装满了箱子。(汉译英)_同义:be full of / be filled with(主语是物或容器)【即时练习】句型转换: 1.The bottle is full o

4、f water.（改同义句）The bottle _ _ _ _ water.2.Im sure the floor wont get wet我确信地板不会湿be sure +that从句表示 _而 _ 表示不确定e.g. Im sure she will come here.我确信她会来。Im not sure when hell come here.我不能肯定什么时候来这儿。sure确定，确信，务必。下面总结一下其具体用法：（1）（美语）用于口语交际，当然，理应如此Are you going? 你去吗?Sure! 当然去! Can you give me your hand? 你能帮我一下

5、吗?Sure!当然可以!（2）be sure of sth. 相信，确信某事Im sure of what he said. 我对他所说的确信无疑。Are you sure of it? 你相信那件事吗?（3）be sure to do sth. 一定，务必。用于口语。Be sure to get to school on time. 一定按时到校。Be sure not to touch that machine. 一定不要动那台机器。（4）be surethat从句 He is sure that he can succeed. 他确信他能成功。（5）make sure从句，相信，确信 I

6、 make sure that he would go there.我确信他会去那儿的。3. Brain has one theory, and Danny has another.布赖恩有一种理论，丹尼有另一种 another指不定数目中的“ _ ”其用法是：(1) another作形容词，后面一般接可数名词，用来指三者或三者以上中的“另一个”。例如：Would you like another cup of tea? 你想再喝一杯茶吗？(2) 若another与数词连用，后面就要跟名词复数，作“又，再，还”解。 例如：Another three days passed, and he di

7、dnt come back yet.又是三天过去了，而他们还没有回来。(3) another还可用作代词，指不定数中的“另一个”例如：I dont like this one, show me another. 我不喜欢这个，请给我拿另一个。4. Then, I turn the jar upside down. 然后，我把广口瓶倒过来 upside down正方朝下，right side up正面朝上 turnupside down=turn over “把翻转，倒过来”，四、当堂检测：I .根据句子的意思和汉语提示填空：1.One of my favorite subject is _(科

8、学). 2.Doing the _(实验) is very interesting.3.I_(装满) the glass with wine.4.Can you _(证明)who is right?5.“_”(观察) is another way of saying“watch carefully”II.单选：1. He _ the shelf _ books. A. filled of B.filled,with C. filled,in D. full of 2. Listen! can you hear a baby _? A. cry B. crying C. cried D. to

9、cry 3. He is sure _ his success. A. of B. for C. in D. with4. Turn the book _ and you will find the picture on the back cover. A. off B. down upside C. over D. down 五、学习反思： Lesson 26:One Wet Danny?学习目标：1重点单词：observation动词observe 2短语turnover,putinto, dryoff ，talk about sth，talk to sb，the force of的力量

10、force sb to do sth学习重点：理解课文中表示将来时态的句子，理解课文。一、自主预习，认真准备。1.词形变换：fun(形容词) observe(名词) 2.英汉互译 1）turn over 2)dryoff 3)get wet 4)putinto 5)谈论，讨论 6)写下，记下 7）空气的力量3.根据首字母和汉语提示，用单词的适当形式填空：1).People often think that （科学）is about “true”facts that never change. 2).While doing experiment ,you must make careful (观

11、察). 3).Dont _ the bottle (翻转). 4).I must myself .(弄干) 二自主探究，合作交流。1、Read the text and fill in the blanks. Brain,Jenny and Danny are _ about their experiment.Jenny will the students what theyre going to do.Danny and Brain will _ the experiment.Danny think the water will spill out(溢出来)and Brain think t

12、he force of the air will _the water in the jar.The experiment will _whos right. Danny will in a chair.Brain will the jar above Dannys head then he will _ the jar over.After the experiment they will talk about their .2、 语言点导学: 1).I will ask the class to make observations and guess what will happ译 。 2

13、).ask sb to do sth意为 ，其否定形式为 3).make observations意为 ,相当于observe. Eg:His mother him .他的妈妈要求他别再看电视了。 4).The force of the air will keep the water in the jar. 翻译 . 5).The force of 意为的力量，force作动词意为“强迫，迫使”，常用结构force sb to do sth强迫某人做某事。 Eg：They him the house. 他们强迫他打扫这个房间。6).I can tell the students what we

14、re going to do.翻译 be going to +v=will+v表示将来时态，be going to +v多表示打算，准备做的事或即将发生、肯定发生的事。Eg：He a dictionary.他打算买一本字典三巩固练习提高:1.The radio says it _(be)rainy tomorrow.2.Im sure I (not miss)the train. 3.-What are you going to do this summer?-I (go) to Canada. 4.I will ask the class to make (observe). 5.Dout

15、turn the jar (介词),Its dangerous. 6.They are talking (介词)the 2012 Olympics to be held in London. 7.Lets put the coffee (介词)the bottle. 8.We are ging to do an experiment (改为一般疑问句) you ging to an experiment? 9They are talking about their observations.(对划线部分提问) they talking about ? 10.Li Ming asked me t

16、o call him up ?（改为否定句）Li Ming asked me him up .四、课后反思：Lesson27: Danny the“Dry-o-Saur”!学习目标：1. 牢记本课词汇：surprised/examine/discover/explain/enough/liquid/solid/ 2. spoon/add/mix/pour； 3. 熟读课文，把握其意；4. 背诵重点句子1-4，并灵活运用相关知识点。一、自主学习： 1.限时1分钟，牢记词汇；2.熟读两封邮件，把握其意，画出不理解处；3.背诵重点句子，并自学知识点，画出不理解处。4.试着理解下列语句：1). Nex

17、t, Brian will take his hand off the cardboard. 2). The force is strong enough to hold the water. 3). Air is stronger than I thought! 4). Put eight spoonfuls of cornstarch into the bowl.二、合作探究：1.就预习中不清楚的地方在小组之间交流，并用红笔写出答案及备注 2.Next, Brian will take his hand off the cardboard. take sth. off sth.意为“使某物

18、离开或脱离.” Eg：Would you mind taking your foot off my hand? take off还意为“ 起飞;脱下;匆忙离去” Eg：The plane took off at 7 a.m. Take off your shoes,please. He took off for the station in a hurry. 3.The force is strong enough to hold the water.Adj/adv+enough to do sth 意为“是 足够.以至于能做某事”Eg： The boy is old enough to go

19、 to school. =The boy is so old that he can go to school. =He is such an old boy that he can go to school. enough作副词,要放在被修饰的形容词和副词之后; 作形容词,通常放在被修饰的名词前或之后. Eg: This hall is large enough to hold two thousand people. He walks fast enough to be here in time. He doesn't have enough money to go for tra

20、veling.I'm soory, but I haven't enough time to do the job.3.Air is stronger than I thought! than可作连词或介词,用于引入比较级的后半部分,表示 比.; Eg：She is a better player than she was last year. He is taller than me. He gets up earlier than I(do). Would rather.than意思是 宁愿.,不愿.;与其.不如. Eg： I would rather stay at ho

21、me than go out. 4.Put eight spoonfuls of cornstarch into the bowl. spoonful是可数名词,意思是 一勺的量. Eg：a spoonful of sugar. 类似的还有 two cupfuls of milk; a few mouthfuls of tea; a handful of flowers 三、巩固练习：1.英汉互译:1).把.拿开 2).take away 3).Strong enough 4).我这样认为/我不这样认为 / 5).发现某人正在做某事 6).be surprised at /to/in _ _

22、7).在.高处，顶端 8).add .to._ _ 9).pour .into._ _10).八匙的玉米淀粉_ _ 11).向上推_ 12). in front of _ 2.根据括号内的汉语提示完成句子：1).I am （感到惊讶）the colors。 2).Water is a （液体）while ice is a （固体）。 3).After the soup is cooked ，she put a （匙） of salt into it 。 4). （加） salt to the noodles。 5). the cornstarch and water （把.混合在一起）。 6)

23、. the water （把.倒进）the glass。 7).Columbus （发现）America in 1492。3.改写下列句子，使句意不变，一空一词：1).I am sitting before Jim。 I am sitting Jim。2).We are going to show you an interesting experiment。We show an interesting experiment you 。3).The air pushes up on the cardboard。 The air the cardboard 。4). He got up too l

24、ate to catch the early bus。 He get up catch the early bus。四、课后反思 Lesson 28 Fill My Plate 学习目标：1.掌握重点单词和短语；2.学唱这首歌曲学习重点及难点: 1. 感官系动词taste, look, sound, smell, feel; 2. until 和 not until的区别; 3. when引导时间状.自学指导:I. 正确发音并理解、背诵单词、短语,试一试,在文章中找出下列单词和短语1. 品尝体验 2. 空的倒空 其反义词是 3. 如此好如此棒 4. 尝起来很好 5. 听起来很动听 6. .的反

25、义词 . 读懂文章并尝试背诵,找一找Why isnt Danny sad when his plate is empty? 译一译And I will eat until my plate is empty. 忆一忆until和not until的区别 仿写两个句子 拓展:感官系动词还有look看起来,sound听起来,smell闻起来,feel感觉起来, 摸起来。这些词后面应加形容词作表语。 想一想,系动词和实义动词有什么区别;查一查,还有那些系动词:1. 检测单词记忆情况:默写前一课和这一课的单词,找学生领读新单词;2. 检测课文朗读情况:听读-翻译-背诵;巩固练习: 一、选词填空 1.

26、The meat tastes . (great, well) 2. Please taste the food . (careful, carefully) 3. The music sounds . (wonderful, wonderfully)4. He looks . (happy, happily) 5. The flowers smell . (good, well) 二、 单选 1. ( ) The food here smells good, but what does it like? A. taste B. touch C. seem D. feel 2. ( ) Thi

27、s silk dress so smooth. Its made in China. A. feels B. smells C. sounds D. tastes 3. ( ) Last night Dad and Mum didnt come back home I finished my homework. A. while B. when C. if D. until 4. ( ) Its time the old man go home. A. for; to B. for; / C. to; for D. /; to 三、 根据汉语意思完成句子,每空一词。 1.请用热的食物装满我的盘

28、子。 Please my plate hot food. 2.我将坐到这儿直到他来。 I here he comes. 3. 我想邀请他来我家吃饭。 I want to him my house to have dinner. 课后反思：Lesson 29An Easter Egg Hunt一、 学习目标：掌握词汇：二、学习重难点： 能够用语言描述复活节的大体内容，敢于用英语表达自己的看法和想法。三、学习过程： 1、课前预习：1）.重点单词：Easter_,hunt n.v._, hen_,篮子_,隐藏；躲避_,_ 重点短语:在公园 _，玩得高兴，过得愉快_=_=_做有乐趣_，消失_，用完，用

29、光_ 2）.读课文找出问答。What is Easter Sunday?_ What is an Easter egg hunt?_ Where is Danny?_ What is he doing for his cousin?_. Where do Jenny,Dannyand Brian put eggs?_ 2、合作探究：要点解析： He is making an Easter egg hunt for his cousin Debbie.他正在为表妹戴比设计复活节彩蛋游戏。hunt n.v.搜索；追赶。作名词时为可数名词，作动词“搜索”时为不及物动词，接宾语时需要与介词for连用。

30、作动词“追赶”讲时可作及物或不及物动词，此时接宾语，介词for可加可不加。另，hunt for=_（寻找） We are_the Easter eggs.（寻找） 辨析：find, look for, hunt look for 和hunt 强调_，“寻找”；find强调_，“找到”。 Debbie _for Easter eggs ,and she _some. Debbie will have fun looking for them.寻找它们将会让戴比玩得高兴。 have fun相当于_，_其中fun 为不可数名词，可用great,lots of, much,a little等修饰不可数

31、名词的词语来修饰。Eg:We had lots of fun on the sportsground today.今天我们在操场上玩得很高兴。have fun (in) doing sth.做某事是高兴有趣的。have fun后只能接动名词，不能接动词其它形式。They had fun_(play)games at the park.他们在公园玩游戏玩得很愉快。I cant make eggs.我不会产蛋。 make eggs 意思 是_,还可以说成_ 4、巩固练习：用所给词的适当形式填空： I had great fun in_(dance) at the party yesterday.

32、They are hunting _ the lost dog. He _(hide)the money under the floor two years ago. Happy New Year to you!_ Happy Easter to you!_ Happy birthday to you!_ I am_(hide) under the bed. 课后反思：Lesson30 keep the candle bruning学习目标：1.重点句子 Light the candle. As the candle burns, it uses up oxygen in the air. T

33、here is about one-fifth oxygen in the air, so the water rises and fills about one-fifth of the jar.2.阅读课文，在课文找出下列短语。让.做._ _用完，用光 _ _五分之一_ _点燃；使燃烧_ _(分别写出原形，过去式，过去分词) 让蜡烛一直燃烧_ _燃烧 _(分别写出原形，过去式，过去分词)合作探究：1.Fill the dish half of water.把容器装一半水。half是副词，“部分地，一半地”例：The glass is only half full.half也可作形容词或名词

34、，“半个的，一半的，一半”.例：Half of the work is done 半年：half a year (a half year).2.Light the candle. 点亮蜡烛ight vt；点燃；过去式_过去分词_例：He lit a piece of paperlight也可作名词：意思是光，光线，灯；（意为光时是不可数名词，意为电灯时是可数名词。）例: The sun gives us its light and warmth. There are two lights in our classroom.light也可做形容词：意思是轻的，不重的；明亮的，淡的; 例：This

35、 coat is light but very warm.3.As the candle burns, it uses up oxygen in the air.蜡烛燃烧时会用光空气中的氧气as 在此句中做连词，引导原因状语从句，意思是“当.时候”还有“一边一边，随着”的意思例：I saw him as he was getting off the bus. I read the letter as I walked along the river.asas，表示比较，意思是“和.一样，像一样”例:Lucy is as beautiful as her mother.as conj.由于，因为

36、。例：We all like her as she is kind.as prep. 作为，如同。例：He works as a teacher.burn v燃烧，点着. 例：Paper burns easily.纸容易着火。We burned candles when the light went out.灯灭了我们就点蜡烛。常见固定搭配：burn up 烧完，烧尽. burn away 烧毁，烧光use up用光，用完；其被动结构为 be used up例：Their money has been used up by now. We have used up the ink.4.分数的表

37、达法：口诀：分子基，分母序，分子>1，分母加s例： one-fifth; two-thirds； Two halves make a whole.两个一半就是一个. 巩固练习：单项选择The moon_comes into the room through the window.light B.lights C.lighted D.lit2._it rained, I stayed at my home. A.When B.As C.While D.What3.-How long will you be there? -_ A.One year and one half B.One an

38、d a half year C.A year and one half D.A year and a halfThis is a big class,_of the students are girls.two third B.second three C.two thirds D.two threeMy parents keep me _English for half an hour every day.reading B.to read C.read D.reads6.You have to stop _when the traffic lights turn red.A.move on

39、 B. moved on C.to move on D.moving on 7.The tall building was _in that big fire.A.built up B. burned up C. put up D. Set up 教学反思Lesson 31 Surprise Your Friends！【学习目标】1.短语：get ready 准备好 get ready for 为做准备， hold sth over 把某物举在 的上方，hold sth up把某物举起来，push down on 向下压，push up on向上托或举, 【学习重点】一般将来时的用法【导学过程

40、】一、复习&预习 ：1用适当的介词填空。 1）We used _ all matches to light a candle(in/ up/ for) 2)Please translate these sentences _ Chinese(in /into /for)3) Jenny is is interested _ music and art (in/ into/with) 4)What happened _Li Ming?(in/into/ to)5)The basket is full_grapes.(in/with/of) 6) The teacher asked us

41、to look_ the word “put” in the dictionary.( at/ over/ up)2自主预习,认真准备： 翻译下列词组：1) .做一个实验_ 2). 一个盛满水的杯子_ 3) 一块纸板_ 4).用盖住_ 5) 拿开_ _ 6）push up/push down_ 二、自主探究，合作交流：1、认真读课文，根据课文回答问题 1）What did they do in science class? _ 2)If you want to do the experiment,what do you want to get ready? _ 3)Does Danny think science is interesting or not? _ 2、 Discuss and see the language points: (语言点导学) 1)First you need to get ready. 注意：在英文写作时常常用到表示次序的词first , then, next, finally或者first ,second, third , finally 2)一般将来时： 结构：1）主语+will/shall+动词原形, 但