九年级英语上Unit5LookintoScienceLesson29DNA_TheStoryofYou教案。

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Unit5LookintoScience

Lesson29DNA-TheStoryofYou

◆

1.AnalysisoftheStudents

ThestudentsofGrade9havemasteredcertainvocabularies，expressionsandstructures.Theyalsohavetheabilitiesofself-teachingandworkingingroups.MostofthemarewillingtoexpresstheiropinionsinEnglish.

2.AnalysisofTeachingContent

Lesson28isthefifthlessoninUnit5,Book5.ThisunitfocusonthesubjectLookintoscience,alsoteachthestudentssomethingaboutscience.Studentscaresaboutthesubjectbecauseitisclosetoeveryone.Lesson28mainlytalksaboutDNA,ittellusthecharacterandfunctionofDNA,alsounderstandourbody.Weareuniqueintheworld.

◆教学目标

1.Tomasterthewords:blueprint,general,complex,twins,pattern,identify,berelatedto,exceptfor.

2.Tomasterthephrases:notonly…butalso,exceptfor,berelatedto,billionsof.

Improvethestudents’abilityofspeaking,listening,readingandwriting.UnderstandthearticlesaboutDNA.

Knowmoreaboutthenature,knowmoreaboutourbody.Youareuniqueintheworld.

Tomasterthecompoundsentences.

TomastertheuseofDNA.

◆课前准备

◆

Taperecorder,Multimedia

◆教学过程

Step1.Warm-up

Freetalk:(showthepictureofDNA,tellstudentsDNAisshortfordeoxyribonucleicacid.)

Thinkaboutit!

1.WhatdoyouknowaboutDNA?

2.WhatcanscientistsdowithDNA?

Step2.Presentation

1.Freetalk:

(1)Whereisitinourbody?(ShowsomepicturesofDNA.)

(2)WhatsthefunctionofDNA?(Showsomepicturesoftwins.)

2.Explainthenewwords.

3.Readthelessonandanswerthequestions：

(1)Whatisablueprint?

(2)Whichismorecomplex,buildingalivingthingorbuildingahouse?

(3)DosometwinshavethesameDNA?

(4)IsitpossibletochangeyourDNA?

(5)WhoseDNAisrelatedtoyours?jAB88.COM

4.Checktheanswersandunderlinethekeywords.

5.Listenandfollowtothetape.

6.Explainthelanguagepoints:

between与among

between用于两者之间，among一般指三者或三者以上。

JacksitsbetweenTimandBob.

Jack坐在Tim和Bob之间。

Shewasamongthecrowd.

她处在人群中。

use…todosth.用……做某事

Sheisusingaknifetocutvegetables.

她正用小刀切蔬菜。

use的形容词是useful.

Isthefridgeveryuseful?

这台冰箱很有用吗？

too与either

too与either都表示“也”，其区别是too用于肯定句，表示“也”；either用于否定句，表示“也不”。他们通常都位于句末，其前用逗号隔开。

Hehasababybrother,too.

他也有个小弟弟。

Hedoesn’thaveaneraser,either.

他也没有橡皮。

own的用法adj.自己的（用在所有格后面，加强语气）

Hemakesallhisownnotebooks.

她所有的衣服都是自己做的。

vt.有；拥有

Whoownsthecar?

这辆汽车是谁的？

ownern.所有人；物主

Sheistheownerofthehouse.

她是这座房子的主人。

exceptfor除……以外，只是

Davidisagoodmanexceptforhottemper.

大卫除了脾气暴躁以外，他是个好人。

Theclassroomisniceexceptfordirtyonthefloor.

教室除了地板脏以外都很好。

Step3.Practice

1.Readthelessonbythemselves.

2.Fillintheblankswiththephrasesintheboxonpage75.

ingeneral,exceptfor,notonly…butalso,

relatedto,evenif,thesame…as…

(1)Yourhomeworkisquitegood__________afewspellingmistakes.

(2)_________theyoung_________theoldlikepopmusic.

(3)Kate’shairis_____________colour_________hersister’s.

(4)________________,womenlivelongerthanmen.

(5)_____________manydifficultiesremain,wecanovercomethem.

(6)Iswealth______________happiness?

3.Checktheanswers.

4.Askstudents:DoyouthinkDNAcanchangeeachother?ReadagainandCompletethepassagewiththesentencesinthebox.

ChangingDNA

DoyouknowDNAcanbechanged?Haveyoueverseenapigwithadog’sbody?Ofcoursenot!Pigsanddogscan’thavebabiestogether._________Butnow,scientistscandoit.ScientistscantakeDNAfromonekindofanimalandputitintoanotherkindofanimal.TheycandesignnewplantsbycombiningtheDNAofotherplants.　_____________Somescientistsareworried.TheysayweneedtoknowmoreaboutDNAbeforewestartchangingit.________Butwhatiftheplantsarebadforhumans,too?

A.TheirDNAcan’tcombine.

B.Wecanmakeplantsthatarebadforpests.

C.TheycanevencombinetheDNAofaplantandananimal.

5.Checktheanswers.

Step4.Consolidation

Groupwork:

IsitagoodideatochangetheDNAofthefoodweeat?

Somepeoplesaydoingthismakesourfoodbetter.Othersthinkit’stoodangerous.

1.Discusstheideaofyours.

2.Writedownyourideas.

3.Reportyouideas.

Step5Homework

1.Listenandread.

2.Finishexercisesofthislesson.

精选阅读

九年级英语上Unit5LookintoScienceLesson27PlanetDanny教案

Unit5LookintoScience

Lesson27PlantDanny

◆

1.AnalysisoftheStudents

ThestudentsofGrade9havemasteredcertainvocabularies，expressionsandstructures.Theyalsohavetheabilitiesofself-teachingandworkingingroups.MostofthemarewillingtoexpresstheiropinionsinEnglish.

2.AnalysisofTeachingContent

◆教学目标Lesson27isthethirdlessoninUnit5,Book5.ThisunitfocusonthesubjectLookintoscience,alsoteachthestudentssomethingaboutscience.Studentscaresaboutthesubjectbecauseitisclosetoeveryone.Lesson27mainlytalksaboutlearntodoanotherexperiment.

1.Tomasterthewords:solar,telescope,certainly,unless,double,mystery,belongto,lookthrough.

2.Tomastertheexpressions:solarsystem,atnight,evenif,lookthrough,comeout,

beworth+n.beworth+v-ing.

Improvethestudents’abilityofspeaking,listening,readingandwriting.Knowmoreabouttheforeignoccupation.

Knowmoreabouttheforeignoccupation,Keepontrying,andyouwillsucceed.

1.Knowmoreabouttheastronomer.

2.Tomastertheadverbialclauses.

Tolearntheastronomersoccupation.

◆课前准备

◆

Taperecorder,Multimedia

◆教学过程

Step1.Warm-up

Freetalk:

Thinkaboutit!

1.Doyoulikescience?Whyorwhynot?

2.Doyouknowanyoftheplanetsinthesolarsystem?

Step2.Presentation

1.Explainthewordplanetandthewordsolar.

2.Elicitthewordtelescope:Howtoseethesolarsystem?

3.Showthepictureoftelescopeandexplainit.

4.Showthepictureofthetextandaskstudents:Whatdotheydo?Whatdotheysee?

5.Question:Whatdoesthesolarsysteminclude?

6.Explainthequestion:Theearth,thesunandthemoonallbelongtothesolarsystem.OursolarsystemisinagalaxycalledtheMilkyWay.Scientistsaytheuniversecontainsbillionsofgalaxies.

7.Explainthenewwords.

8.Listentothedialogueandtickthecorrectanswers.

(1)WhatdidDannydolastnight?

　Hetriedtostudythemoon.

　Hetriedtofindanewplanet.

(2)WhatdidDannyuse?

　Atelescope.

　Abook.

(3)WhatdidDannyneed?

　Moresleep.

　Morestars.

9.Checktheanswers.

10.Languagepoints:

arrive意为“到达,来到”，为不及物动词,后接表地点的名词时,需使用介词in或at。in用于指较大的地点,at则指比较具体的小地点。arriveat/in=getto/reach

定语从句：含有that引导的宾语从句。无论主句是陈述句还是疑问句,宾语从句都应使用陈述语序。含宾语从句的复合句,主从句谓语动词的时态呼应包括以下三点:

(1)如果主句的谓语动词是一般现在时,宾语从句的谓语动词可根据需要,选用相应的时态。

(2)如果主句的谓语动词是一般过去时,宾语从句的谓语动词应用相应的过去时态。

(3)如果宾语从句所表示的是客观事实、普遍真理、自然现象或习惯性动作等,不管主句用什么时态,从句时态都用一般现在时。

Theusageofthrough，acrossandover

though:表示“穿过、通过”，指从某处或某物中间通过，侧重点是从某空间里面通过。

across:表示“横过、穿过”，指在某一平面或物体上从一边到另一边去。

over:表示“越过”，指从某物的上方越过。

unless:“除非，如果不”。

unless引导的条件状语从句常用一般现在时表示将来的意义，主句多用一般将来时。

例句：Youwillfailunlessyoustudyhard.

如果你不努力学习，就会失败。

double

作名词或形容词,意为“两倍(的);双重(的)”,

也可作动词,意为“使加倍”

worth:“相当……价值,值得”,

用于beworth+n./doing结构。

evenif:“即使……”,用来引导让步状语从句。

belongtosb.意为“属于某人”,

=besb’s

belongto不能用于进行时态和被动语态。

billionsof:“数十亿计的”

Step3.Practice

1.Listenandfollowtothetape.

2.Readthelessonandwritetrueorfalse.

()(1).Dannyisstudyingthesolarsystematschool.

()(2).DannyislookingthroughthetelescopewhenJennyandBriancometovisit.

()(3).Duringtheday,Dannycanseemanystarsintheskythroughthetelescope.

()(4).JennyandBrianwillcomebacktoDanny’shousebecausetheywanttousethetelescope.

()(5).Dannyhasdiscoveredanewplanet.

3.Readthelessonandfillintheblanks.

OnSaturdayafternoon,BrianandJennyvisitedDannyathishouse.Whentheyarrived,Dannywasoutsidelooking_________atelescope.BrianandJennylaughedatDannybecausehewasusingthewrong________ofthetelescope.Ofcourse,Dannycouldn’tseethe_______duringtheday.BrianandJennyalsowantedtojoinDanny.Theydecidedtocomebackaftersupper.Afterthesunwentdown,theycouldseethestars.Dannyhopedto__________anewplanet.

4.Groupwork:

(1)Practicethedialogueingroups

(2)Actitout.

Step4.Consolidation

1.Groupwork:Whatinterestsyouaboutthesolarsystem?Ifyouhadachancetogotospace,wouldyougo?Shareyourideaswithapartner.

2.Enjoysomepicturesinoutspace.

3.Makeanewdialoguewithyourpartner.

4.Enjoyavideo.

Step5Homework

1.Listenandread.

2.Finishexercisesofthislesson.

九年级英语上册Unit5LookintoScienceLesson26KeeptheCandleBurning教案

Unit5LookintoScience

Lesson26KeeptheCandleBurning

◆

1.AnalysisoftheStudents

ThestudentsofGrade9havemasteredcertainvocabularies，expressionsandstructures.Theyalsohavetheabilitiesofself-teachingandworkingingroups.MostofthemarewillingtoexpresstheiropinionsinEnglish.

2.AnalysisofTeachingContent

Lesson26isthesecondlessoninUnit5,Book5.ThisunitfocusonthesubjectLookintoscience,alsoteachthestudentssomethingaboutscience.Studentscaresaboutthesubjectbecauseitisclosetoeveryone.Lesson26mainlytalksaboutlearntodoanotherexperiment.

◆教学目标

1.Tomasterthewords:match,light,burn,useup,candleholder,shallow,oxygen,one-fifth.

2.Tomastertheexpressions:doanexperiment,fill…with,cover…with,turn…upsidedown,be(not)sure…

Improvethestudents’abilityofspeaking,listening,readingandwriting.Doandexpresstheexperiment.

Studentscanenjoythepleasureofliterature.

Theusageofprefer.

Writeacompositiontodescribeaninterestingexperiment.

◆课前准备

◆

Taperecorder,Multimedia

◆教学过程

Step1.Warm-up

Freetalk:

Thinkaboutit!

1.Doyouthinkscienceisinteresting?Whyorwhynot?

2.NameoneortwofamousChinesescientists.Whatdoyouknowaboutthem?

Step2.Presentation

1.Doanexperiment.

2.Showthepictureandtellstudentstheexperiment:KeeptheCandleBurning.

3.Introducesomethingweneedintheexperiment,meanwhilelearnthenewwords.

4.Guess:Whatdowedotheexperiment?

5.Readthetextandfillintheblanksonpage69.

Let’sdotheexperimenttogether!Putthecandleinthecandleholder.Putthecandleholderonthedish.Fillthedishhalffullwithwater.Lightthecandlewitha_______oralighter.Whatcanyousee?Thecandleisburning.________thecandleburnfortwoorthreeminutes.Thencarefullyputthejaroverituntilthetopofthejarrestsonthedish.Asthecandleburns,it_______theoxygenintheair.Whenthecandlestops________,ithasusedupalltheoxygenintheair.Thewaterinsidethejar_______andfillsabout________ofthejar.Thisisbecauseaboutonefifthoftheairismadeupofoxygen.

6.Checktheanswers.

7.Guess:Whatishappening?Listentothetapeandanswerthequestion.

8.Listenandfollowtothetape.

9.Explaintheexpressionoffractions:

(1)分数由分子和分母两部分构成。用英语表达时，分子用基数词，分母用序数词。

(2)如果分子为1，则分母的序数词是单数形式，如果分子大于1，则分母的序数词用复数形式。

＝one(a)half或onesecond(one-second)

=one(a)quarter或one-quarter

Step3.Practice

1.Practicethetextingroups.

2.Finishtheexerciseonpage69.

3.Retelltheexperiment.

Step4.Consolidation

1.Groupwork:(Teacherasksstudentspreparesomethingtheyneedinexperimentsingroups.)

Dotheexperimentingroups.

Readabouttheexperimentinthislesson.Withagroupofclassmates,practicetheexperiment.Doyourexperimentinfrontoftheclass.Don’tforgetthefollowingthings:

(1)First,describeyourexperiment.

(2)Second,asktheclasswhattheythinkwillhappen.

(3)Third,dotheexperiment.

(4)Finally,asktheclassiftheresultiswhattheyexpected.

2.Showtheexperiments.

3.Getaresult.

4.Writedowntheprogressintheexperiment.

Step5Homework

1.Listenandread.

2.Finishexercisesofthislesson.

九年级英语上册Unit5LookintoScienceLesson25Let’sDoanExperiment教案新版冀教版

做好教案课件是老师上好课的前提，是时候写教案课件了。我们制定教案课件工作计划，才能更好地安排接下来的工作！有没有好的范文是适合教案课件？下面是由小编为大家整理的“九年级英语上册Unit5LookintoScienceLesson25Let’sDoanExperiment教案新版冀教版”，欢迎您参考，希望对您有所助益！

Unit5LookintoScience

Lesson25Let’sDoanExperiment

◆

1.AnalysisoftheStudents

ThestudentsofGrade9havemasteredcertainvocabularies，expressionsandstructures.Theyalsohavetheabilitiesofself-teachingandworkingingroups.MostofthemarewillingtoexpresstheiropinionsinEnglish.

2.AnalysisofTeachingContent

◆教学目标Lesson25isthefirstlessoninUnit5,Book5.ThisunitfocusonthesubjectLookintoScience,alsoteachthestudentssomethingaboutscience.Studentscaresaboutthesubjectbecauseitisclosetoeveryone.Lesson25mainlytalksabouttheprogressoftheexperiment,aswellasteachthestudentshowtodotheexperiments.

1.Tomasterthewords:science,experiment,fill,prove,scientific,method.

2.Tomastertheexpressions:doanexperiment,fill…with,cover…with,turn…upsidedown,be(not)sure…

Improvethestudents’abilityofspeaking,listening,readingandwriting.Doandexpresstheexperiment.

Studentscanenjoythepleasureofliterature.

Theusageofprefer.

Teachstudentslovescience.

◆课前准备

◆

Taperecorder,Multimedia

◆教学过程

Step1.Warm-up

Freetalk:

(1)Doyoulikescience?

(2)Whatkindsofexperimentshaveyoudoneinscienceclass?

(3)Ifyouholdajarthatisfilledwithwaterupsidedown,whatwillhappen?

Step2.Presentation

1.Explain“upsidedown”.

Teachershowthepictureaboutupsidedown.

2.Explainthenewwordswiththepictures.

3.Listentothetapeandanswerthequestions:

(1)WhatwillBraindo?

(2)WhydoesDannysaytheyshoulddothisexperimentoutside?

4.Checktheanswers.

5.Languagepoints.

Ithink…:“我认为……”，其后可接that引导的宾语从句。在使用时要注意，否定主句,反问从句。

getwet意为“变湿”。后接形容词作表语。

pourout：“倒出，使流出，涌出”。　pour…into…：“把……倒进……”。

besureof：“确信；对……有把握”

puton：“穿上”，为“动词+副词”构成的短语。　

“Itis+形容词+enoughtodosth.”“做某事是足够……的”。

=too…to…

=so…that…。

concludefrom意为“从……推断，从……中得出”。

find,findout,discover,invent

(1)find意为“找到，发现”，强调“找”的结果，也可指偶然发现、碰到，其后可接名词、复合结构或that从句。

(2)findout指“弄清楚，查明”。着重表示通过调查、分析、思考等得出结果。

(3)discover意为“发现”，指发现已存在但不为人所知的事物。

(4)invent意为“发明”，指发明原来不存在的东西。

Step3.Practice

1.Listenandfollowtothetape.

2.Readthedialoguewiththefollowingquestions.

(1)WhydoesDannysaytheyshoulddothisexperimentoutside?

(2)WhatwillBriando?

(3)DoesDannyhavethesametheoryasBrian’s?

3.Checktheanswers.

4.Readthelessonandanswerthequestions.

(1)WheredoesDannythinktheyshoulddotheexperiment?

(2)Whatkeepsthewaterinthejar?

(3)IsJennysureofhertheory?Howdoyouknow?

(4)WhydoesDannyputonhisraincoat?

(5)WhatdoesDannyconclude?

5.Checktheanswers.

6.Readtheexperiment.Putthesentenceinthecorrectorderonpage67.

7.Checktheanswers.

Step4.Consolidation

1.Groupwork:Trytodotheexperimentinthislessonyourself.

Whathappenswhenyouuselesswater,morewater,wetcardboard,ordifferentkindsandsizesofjars?

2.Reportyourexperimentandretelltheprocess.

3.Summarytheexperiment.Howtodoanexperiment.

4.Listenandsingasong,Whatisscience.

Step5Homework

1.Listenandread.

2.Finishexercisesofthislesson.