九年级英语上册Unit5LookintoScienceLesson25Let’sDoanExperiment课时训练（新版）冀教版.doc

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1、1Lesson 25 Lets Do an Experiment!.根据课文内容，完成下面表格单词1.正确的_ 2.方法_3力量；迫使_ 4.experiment_ 5upside_ 6.pour_7scientific_ 8.raincoat_9pressure_ 10.conclude_ 11jar_短语1.把翻转；倒过来_2涌出_3科学方法_4把拿开_5用装满_6用盖住_7确信_8做一个实验_句型1.我用一块纸板将它的顶部盖上并把它按在那里。I _ the top _a piece of cardboard and _ it there.2然后我将罐子倒置并把我的手从纸板上拿开。Then

2、 I _ the jar_ _ and _ my hand _ the cardboard.3我如此确信我的理论以至于布莱恩可以在你的头上做实验。I am _ _ _ my theory _ Brian can do the experiment over your head.4空气的力量使罐子里的水流不出来。_ _ _ the air _ the water _ the jar.5它足够强大可以托住水。It is _ _ _ _ the water. 6我总结出，空气比我想象的更强大。I _ that air is _ _ I thought.词汇练习(A)根据句意及所给提示，写出单词的正确

3、形式。1Do you often do _ (experiment) in your science class?2To keep healthy, we should exercise in a _(science) way. 3He c_ that the plan was not workable(可行的)24Who can tell me the c_ answer to the question?5When it rains, you can put on your r_. You will not easily get wet.(B)用方框中所给单词或短语的适当形式填空。put o

4、n, strong enough, pour out, pressure, be ready1Shes not _ to go walking up mountains.2Everybody _ for todays test. 3High blood _ kills many people.4We should take action to stop the factories _ waste water. 5Youd better _ your coat. Its very cold outside.单项填空( )1._ the cup upside down, and you can f

5、ind where it is made.ATake BTurn CBring DHold( )2. Cover the bottle _ a lid, or the water will come out.A. with B. for C. to D. by( )3. He is sure _ his theory. Nobody can change his mind.Aof Bat Cwith Dfor( )4.I think its necessary to learn how to work in groups.I quite agree. Sometimes its even _

6、than grades.Aless importantBmore importantCthe least importantDthe most important( )5.Mum, I am old enough _ myself.Alook after Blooks afterCto look after Dlooking after( )6 . Oh, my boy! Its raining hard outside. _ your raincoat.A. Wear B. DressC. Put on D. Put up( )7.You can work out the maths exe

7、rcise in two different _. Aplans BmethodsCanswers Dquestions( )8.A terrible smell, Ted!Sorry, Mum. Ill _ my socks and put them in the washer.Aput off Bshut offCget off Dtake off.句型练习(A)连词成句。(将所给词语连成句子，标点已给出。要求符合语法，语句通顺，大小写正确，词语不得重复使用)1have, what, you, discovered_?2is, jar, with, the, water, filled3_

8、.3cake, off, your, take, the, hands_. 4wind, stronger, than, I, the, thought, is_.5exciting, we, what, experiment, had, an_!(B)句型转换，每空一词。1The box is filled with clothes. (改为同义句)The box _ _ _ clothes.2. I believe. He is not right. (合并为一句)I _ _ he is right.3We should cover_the_table_with_paper first.

9、(对画线部分提问)_ _ we do first?4Take off your coat, please.(改为否定句)_ _ _ your coat, please.5. I am 1.67 metres tall. She is 1.69 metres tall.(合并为一句)She is a little _ _ me.词语运用根据短文内容及所给提示，在文中的空白处填写一个正确的单词。Today we did 1._ experiment. It was interesting. First, I 2._ (fill) a jar with water. I covered the to

10、p 3._ a piece of cardboard and 4._ (hold) it there. Then I turned the jar upside down and took my hand 5.o_ the cardboard. 6._ my surprise, the water 7.s_ in the jar.Everyone felt 8._(amaze). Why? 9._ the force of the air is strong enough 10._ (keep) the water inside the jar.完形填空The best thing to st

11、art your day is a good breakfast. There are different _1_ of breakfasts around the world.“Eat breakfast like a king, lunch like a prince and dinner like a pauper(穷人) ” _2_ the old saying tells us breakfast is the most important meal of the day. It gives us energy after a long night _3_ food.If peopl

12、e dont have breakfast in the morning, they will feel tired and get angry easily. Breakfast helps children stay more focused in school. A study showed that children who eat breakfast regularly score _4_ in most subjects.Breakfast is also important for weight loss. If you have a balanced breakfast, yo

13、u will eat_5_ throughout the day.A _6_ and balanced breakfast should include some protein(蛋白质) like eggs, milk or a little meat, which makes you energetic all day.Carbohydrates(含碳水化合物的食物) like rice or bread can keep you active. Vegetables and fruits_7_ the vitamins that humans need._8_， in China, br

14、eakfast is different from region to region. Porridge with pickles(咸菜), baozi, noodles, soybean milk and youtiao are common throughout the _9_ country. Although Western culture has influenced China a 4lot, most people still _10_ traditional Chinese breakfast. They think that porridge and noodles are

15、not only easily digested(消化), but also can provide enough energy in the morning.( )1.A.ways B.typesC.rules D.methods( )2.A.So B.ThoughC.As D.When( )3.A.without B.withC.for D.of( )4.A.lower B.lessC.higher D.more( )5.A.less B.fewerC.more D.much( )6.A.experienced B.healthyC.excited D.different( )7.A.ha

16、s B.haveC.is D.are( )8.A.Therefore B.Thus C.Because D.However( )9.A.all B.oneC.whole D.total( )10.A.dislike B.knowC.want D.preferLesson 25 Lets Do an Experiment!素材一 新课导入设计实验导入力学小实验：听话的火柴Take a match. Cut the match head off the wooden stick with a knife, and use Plasticine to make a new head. Then pu

17、t it into a bottle of water, adjust the size and the weight of the head until the match can make vertical floating in the water. (Note: The bottle should be quite full) Cover the mouth of the bottle tightly with your thumb. (Note: No air bubble should be found between your thumb and the water) Push

18、your thumb down, and you will see the match run to the bottom of the bottle in the water; loosen your thumb a little, and the match will go up again取一根木梗火柴，将火柴头用刀削掉并用橡皮泥做一个新火柴头。然后将火柴置于一瓶水中，调节橡皮泥的大小及重量，直到火柴能竖直悬浮于水中。(注意：瓶中的水要十分满)用拇指紧按住瓶口。(注意：拇指与水之间不应该有气泡)将拇指用力下压，你会看到火柴就沉入水底；减轻拇指的压力，火柴又从水底徐徐上升。总结：这是一个简

19、单的沉浮实验。木梗火柴是多孔的，其中吸附着一定量的空气，随着瓶口拇指作用于水上的压力的改变，火柴中吸附的空气体积也随着增大或减小，使火柴的密度减小或增大，从而在水中出现浮、沉的变化。素材二 课堂活动案例活动一三人一组上台表演课文内容。活动二让学生准备实验器材，亲自做本课实验，培养学生对自然科学的兴趣。素材三 新课教学方法1教学方法(1)情景教学法：教师可按照课文展示的实验步骤，通过多媒体用英文展示实验过程并且指导学生做实验。(2)合作学习法：让学生分组，每个小组同时动手演示实验的每个步骤。学生分角色表演对话。(3)任务型教学法：布置任务，让学生们总结实验的主要步骤以及各个步骤中的主要语句。2学

20、习方法(1)实验学习法：让学生对本课内容进行归纳，理清步骤，按照实验步骤做实验。Fill the jar with water.Cover the top with a piece of cardboard.Turn the jar upside down.(2)体裁变换学习法：将本课的内容改写为一篇小故事，叙述实验过程。One day, Brian suggested to do an experiment更多备课资源：word 版电子教案、匹配的课件，详见云资源。教师详解详析Lesson 25 Lets Do an Experiment!.单词： 1.correct 2.method 3.

21、force 4实验；试验 5.上部；上边6倒出；倾倒 7.科学的 8.雨衣 9压力，压强；挤压 10得出结论；断定；推断出 11广口瓶；罐子短语： 1.turnupside down 2.pour out3scientific method 4.takeoff 5fillwith 6.coverwith7be sure of8do an experiment句型： 1.cover; with; hold2turn; upside down; take; off3so sure of; that4The force of; keeps; in5strong enough to hold6conc

22、lude; stronger than.(A)1.experiments 2.scientific 3concluded 4.correct 5.raincoat(B)1.strong enough 2. is ready3pressure 4.pouring out 5.put on.1.B 2.A 3.A 4.B 5.C 6.C 7.B 8D put off 意为“推迟 ”；shut off 意为“关闭” ； get off 意为“下车” ；take off 意为“脱掉；起飞” 。根据“A terrible smell”可知是“脱掉袜子” ，故选 D。.(A)1.What have you

23、 discovered2The jar is filled with water3. Take your hands off the cake4The wind is stronger than I thought5What an exciting experiment we had (B)1.is full of 2.dont believe 3What should 4.Dont take off 5taller than.1. an 2.filled 3.with 4.held 5. off6To 7. stayed 8. amazing 9.Because10to keep.15 BCACA 610 BBDCD