学年秋冀教版初中英语九年级英语上Unit5教学案.docx

1、学年秋冀教版初中英语九年级英语上Unit5教学案2017-2018学年秋冀教版初中英语九年级英语上Unit5LookintoScience话题Topic谈论科学(TalkingaboutScience)功能Functions谈论科学(TalkingaboutScience)语法Grammar定语从句词汇和常用表达Words&expressions1.能正确使用下列词汇(按词性排列)experiment,jar,upside,method,raincoat,force,pressure,holder,lighter,match,oxygen,telescope,double,mystery,bi

2、ology,butterfly,grandchild,female,milkweed,chemical,DNA,blueprint,twin,pattern,grandson,granddaughter,instruction,development,mobilephone,discovery,pour,force,conclude,match,examine,migrate,repeat,identify,affect,suggest,correct,scientific,shallow,solar,double,fantastic,puzzling,general,complex,rela

3、ted,certainly,double,completely,unless2.能正确使用下列常用表达turnupsidedown,pourout,scientificmethod,takeoff,useup,bemadeupof,solarsystem,atnight,evenif,ingeneral,exceptfor,berelatedto,billionsof,turnover,pushup,pushdown,inplace学习策略Strategies1.通过自己阅读,理解课文大意。2.自己发现和总结语言规律,并能加以运用。3.主动在听说交际中运用课文中的语言知识。文化知识Cultur

4、e了解更多的科学知识。三维目标Three-dimensionaltarget知识与技能1.能掌握以下单词correct,method,force,match,certainly,unless,double,fantastic,general,repeat,grandson,granddaughter,instruction,suggest,development,mobilephone,discovery2.熟练掌握单元短语turnupsidedown,pourout,scientificmethod,takeoff,useup,bemadeupof,solarsystem,atnight,e

5、venif,ingeneral,exceptfor,berelatedto,billionsof,turnover,pushup,pushdown,inplace3.能掌握以下句型ThenIturnthejarupsidedownandtakemyhandoffthecardboard.Thatscalledthescientificmethod.Whenthecandlestopsburning,ithasusedupalltheoxygenintheair.Becauseaboutonefifthoftheairismadeupofoxygen,thewaterrisesandfillsa

6、boutonefifthofthejar.Itoldmyfatherthatwewerestudyingthesolarsystem.Actually,doublethesizeofyourhouse!三维目标Three-dimensionaltarget知识与技能Well,itsworthatry,evenifIdontfindaplanet.FantasticfactsaboutthebutterflyhavebeendrawingDr.Taylorsattention.Thebutterfliesthatreturntothesoutharethegreat-greatgrandchil

7、drenofthebutterfliesthatleftforthenorth.Ingeneral,ablueprintisadrawingthatshowshowtoputahousetogetherwithmanydifferentparts.Butbuildingalivingthingisfarmorecomplexthanbuildingahouse.YouhaveyourownuniqueDNA,butitrepeatspatternsfromyourparentsDNA.FromyourDNA,scientistscanidentifynotonlyyou,butalsopeop

8、lewhoarerelatedtoyou.Isuggestyoutryit,too!Coverthejarwiththecardboardandturnthejarover.Theairpressurepushinguponthecardboardishigherthanthatofthewaterpushingdownfrominsidethejar.Thehigherairpressureoutsidethejarholdsthecardboardinplace.Scientificdiscoveriesaremakingourlivesbetterandbetter.4.能了解以下语法:

9、定语从句过程与方法1.通过师生问答,两两对话等多种言语交际活动,培养和提高口语交际能力和在日常生活中迁移运用英语的能力。2.能够听懂有关实验或介绍科学方面的对话或短文,有目的地获取所需关键信息。3.能够就简单话题提供信息,表达自己的观点,参与评论,与他人沟通信息,合作完成任务。情感态度与价值观1.通过本单元的学习,培养学生热爱科学,勇于实践。2.在学习中敢于用英语表达自己的看法。3.培养学习英语的兴趣和学好英语的信心。4.乐于接触并了解异国文化。5.通过小组活动培养合作精神,并通过互相评价激发学习兴趣。概述本单元是九年级冀教版教材的第五单元,本单元是由六课构成,围绕“研究科学”展开。第二十五课

10、围绕一项实验,证明了什么才是最科学的结论。第二十六课用和上节课一样的广口瓶做了另一项实验,需要学生认真分析这些步骤,掌握过程的先后顺序。第二十七课,以“丹尼星球”为题,让学生们了解社会中更多的流行工作。第二十八课讲述了生物科学的研究,揭秘大自然中的奇特现象,也提醒了大家对当代出现的生态恶化的关注。第二十九课是在班上讨论DNA。第三十课用两封电子邮件的形式,WangMei与Jenny分别表达了自己对科学的兴趣,科学对我们生活的影响。教学目标1.能够掌握并运用本单元的单词、短语及重点句型,谈论科学实验研究。2.能够掌握定语从句的用法。3.能够阅读并描述实验操作步骤并撰写有关科学或小实验方面的短文。

11、1.掌握定语从句的用法。2.听懂有关实验或介绍科学方面的对话或短文。3.阅读并描述实验操作步骤并撰写有关科学或小实验方面的短文。4.运用所学的知识表达对科学的观点。培养学生的口语交际能力,能够流利地用英语谈论科学实验。教学突破:突出口语表达,谈论科学实验。能听懂并读懂、描述实验操作步骤,并撰写有关科学或小实验方面的短文。注意方法与价值观的培养:定语从句采用归纳总结的方法,使知识系统化,口语练习采用Pairwork和Groupwork相结合的方式,谈论伟人及其生活。让学生热爱科学,勇于实践。第一课时:Lesson25第二课时:Lesson26第三课时:Lesson27第四课时:Lesson28第

12、五课时:Lesson29第六课时:Lesson30教学目标单词卡片名词:experiment,jar,upside,method,raincoat,force,pressure,holder,lighter,match,oxygen,telescope,double,mystery,biology,butterfly,grandchild,female,milkweed,chemical,DNA,blueprint,twin,pattern,grandson,granddaughter,instruction,development,mobilephone,discovery动词:pour,f

13、orce,conclude,match,examine,migrate,repeat,identify,affect,suggest形容词:correct,scientific,shallow,solar,double,fantastic,puzzling,general,complex,related副词:certainly,double,completely连词:unless短语归纳turnupsidedown把翻转,倒过来,pourout涌出,scientificmethod科学方法,takeoff把拿开,useup用光,用完,bemadeupof由组成,solarsystem太阳系,a

14、tnight在夜间,在晚上,evenif即使,纵然,ingeneral一般而言,通常,exceptfor除之外,berelatedto与相关,billionsof数十亿计的,大量,turnover使翻转,pushup向上推,pushdown向下按,inplace原地,在适当的位置句型集锦1.ThenIturnthejarupsidedownandtakemyhandoffthecardboard.2.Thatscalledthescientificmethod.3.Whenthecandlestopsburning,ithasusedupalltheoxygenintheair.4.Becau

15、seaboutonefifthoftheairismadeupofoxygen,thewaterrisesandfillsaboutonefifthofthejar.5.Itoldmyfatherthatwewerestudyingthesolarsystem.6.Actually,doublethesizeofyourhouse!7.Well,itsworthatry,evenifIdontfindaplanet.8.FantasticfactsaboutthebutterflyhavebeendrawingDr.Taylorsattention.9.Thebutterfliesthatre

16、turntothesoutharethegreat-greatgrandchildrenofthebutterfliesthatleftforthenorth.10.Ingeneral,ablueprintisadrawingthatshowshowtoputahousetogetherwithmanydifferentparts.11.Butbuildingalivingthingisfarmorecomplexthanbuildingahouse.12.YouhaveyourownuniqueDNA,butitrepeatspatternsfromyourparentsDNA.13.Fro

17、myourDNA,scientistscanidentifynotonlyyou,butalsopeoplewhoarerelatedtoyou.14.Isuggestyoutryit,too!15.Coverthejarwiththecardboardandturnthejarover.16.Theairpressurepushinguponthecardboardishigherthanthatofthewaterpushingdownfrominsidethejar.17.Thehigherairpressureoutsidethejarholdsthecardboardinplace.

18、18.Scientificdiscoveriesaremakingourlivesbetterandbetter.重点语法定语从句中考考什么1.考查定语从句的关系词。2.考查动词短语takeoff,puton。3.考查动词discover,invent与findout的区别。4.考查分数的表达法。5.考查从属连词词组evenif的用法。6.考查belongto,inplace的用法。7.考查连词unless的用法。8.考查四个“花费”pay,cost,spend,take的用法区别。9.考查except,exceptfor,besides,but的区别。WaterJetScienceExper

19、imentScienceexperimentsorprojectsforthekidsaretheperfectmeanstomakechildrenunderstandthefundamentalsbehindthethingsthathappenaroundthem.Thesescienceexperimentsarenotonlyeasytoperformbutarealsoprettyfascinatingforthekids.TheWaterJetScienceExperimentisoneofsuchexperimentswhichisprettypopularamongkidsa

20、ndissafeandsimpletocarryout.WaterJetScienceProject:ToperformtheWaterJetScienceExperimentallyouwillneedisanemptybottleofplastic,aneedle,abowl,water,ascotchtapeandatable.Firstofalltaketheemptyplasticbottleandwiththehelpofaneedlemakeaholeinit.Anadultsupervisionisneededwhileusingneedles.Thisholeshouldbe

21、threetofourinchesawayfromthebottlesbase.Now20cmabovethisholemakeasecondhole.Takeanadhesivetapeandcovertheseholeswithit.Oncetheholesarecoveredwiththetapeyoucanfillthisplasticbottlewithwaterandthenplaceitonatable.Quicklyremoveboththetapesfromthisbottleandsoonyouwillseethejetofwatercomingoutfromboththe

22、seholes.Youwillseethatthejetofwatercomingoutfromthelowerpartofthebottleisstrongerthanthejetofwatercomingoutfromtheupperpartofthebottle.Thereasonbehindthisisthattheweightofwaterinthebottleputspressureonthelowerregionasaresultofwhichthewaterrushesoutwithmorepressure.Whereasthewaterjetcomingoutfromtheu

23、pperpartofthebottleisnotsostrongbecauseoflessweightandpressureofwater.第一课时Lesson25LetsDoanExperiment!1.记忆单词experiment,jar,upside,pour,correct,scientific,method,raincoat,force,pressure,conclude;短语turnupsidedown,pourout,scientificmethod,takeoff。2.掌握重点句型:ThenIturnthejarupsidedownandtakemyhandoffthecard

24、board.Thatscalledthescientificmethod.3.能够运用所学知识介绍自己做实验的过程。4.能够确定定语从句的先行词和关系词。1.学会并能正确使用单词及短语:experiment,jar,upside,pour,correct,scientific,method,raincoat,force,pressure,conclude;turnupsidedown,pourout,scientificmethod,takeoff。2.能够运用下列句型:ThenIturnthejarupsidedownandtakemyhandoffthecardboard.Thatscal

25、ledthescientificmethod.IamsosureofmytheorythatBriancandotheexperimentoveryourheadandIknowyouwontgetwet.1.能够正确应用本课的重点词汇 experiment,jar,upside,pour,correct,scientific,method,raincoat,force,pressure,conclude;掌握短语turnupsidedown,pourout,scientificmethod,takeoff。2.能够运用所学知识介绍自己做实验的过程。3.能够确定定语从句的先行词和关系词。思路一

26、:本课的教学内容是冀教版九年级英语第一单元的第25课,以“让我们一起做一个实验”为题,本单元的中心话题是“研究科学”,对于科学研究实验步骤的理解,因此,本节要以直观的方式来导入新课。思路二:本课的教学内容是冀教版九年级英语第五单元的第25课,以“让我们一起做一个实验”为题,以讨论“ThinkAboutIt”进行师生对话,得出实验步骤,通过小组合作探究,找出本课的重点句子和短语,共同解决疑难。教师在课前设计教学PPT,准备录音机和磁带,多媒体等,广口瓶,纸板和水。Step.LeadinLeadingin 【情景1】Theteacherbringsajar,acardboardandwaterto

27、theclass.Showthemtothestudentsandaskwhatexperimentswecandowiththem.Letthestudentsshowthemandexplainthereasonstothestudents.Letthestudentsworkingroupsanddiscusstheexperiments.设计意图教师拿出与课文中的实验相关的教具,导入新课,让学生分组研究实验流程,为课文的学习奠定基础。Leadingin 【情景2】T:Goodmorning/afternoon,everyone.Todaywearestartinganewunit.Wh

28、ocantellmethetitleofUnit5?S1:Ican.Its “LookintoScience”.T:Verygood.Whatisscience?S2:Scienceisanareaofstudy.S3:Scienceissomethingwelearnaboutinschool.T:Inwhichsubjectdoyouoftendoexperiments?S4:Science.T:Doyoulikeexperiments?S5:Yes.T:Experimentsarepartofsomethingcalledthescientificmethod.Thescientific

29、methed:Askquestionsdobackgroundresearchconstructatheorytestthetheorywithanexperimentanalyzeresultsdrawaconclusionreportresults(Wasyourtheorycorrect?)OK.Todaywelllearnanexperiment.设计意图通过师生互动导入本课话题,教师向学生介绍实验的步骤,为本课的学习做好铺垫。Step.PresentationTheteachershowsthenewwordsonPPT.Askstudentstotrytoreadtheseword

30、s.Thestudentsfollowtheteacherthreetimes.Thengivethestudentsfiveminutestorememberthewords.Letstudentsspellandreadthemonebyone.设计意图教师以PPT的形式呈现本课中出现的生词,领着学生们朗读并记忆,为下面的课文学习做好充分准备。Step.Reading1.Readthetextaloud.T:Boysandgirls,itsourreadingtime.Pleasereadafterthevideoandyoushouldpaymoreattentiontoyourpron

31、unciation.设计意图让学生大声朗读课文,对课文的意思有个大致的了解,对于培养学生的正确发音以及培养学生的语感都有重要作用。2.Carefulreading.(1)Givethestudentsfiveminutestoreadthetextbythemselves.Readthelessonandanswerthequestions.WheredoesDannythinktheyshoulddotheexperiment?Whatkeepsthewaterinthejar?IsJennysureofhertheory?Howdoyouknow?WhydoesDannyputonhisraincoat?WhatdoesDannyconclude?【Keys】Dannythinksthattheyshoulddotheexperimentoutside.