仁爱版九年级英语上册U4T2SC优质教案Word格式文档下载.docx

仁爱版九年级英语上册U4T2SC优质教案Word格式文档下载.docx

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3.Emotionalaims:

（optional）

激发学生探索宇宙的兴趣。

4.Cultureawareness:

Ⅲ.Thekeypointsanddifficultpoints

1.Keypoints:

Wordsandphrases:

storm,weigh,journey,excitement,generally,limit,benamedaftersb.,as…as…,atadistanceof…,Ittakes…todosth.

Sentences:

Itsdiameteris53%aswideasthatoftheearth.

YoucantellwhichplanetisMarsbecauseitisbright,redinthenightsky.

ThegravityonthesurfaceofMarsisabouttwo-fifthsasstrongasitisonearth.

IttakesaspaceshipabouteightmonthstoreachMarsfromtheearth….eachother.

IthasbeentwodayssincewelandedonMars.

Grammar:

passivevoice

Difficultpoints：

Ⅳ.Learningstrategies

通过1a学习预测文章的内容。

通过1b利用图表复述课文。

Ⅴ.Teachingaids

火星、罗马战神Mars、太阳系等的图片/乒乓球/小皮尺/小黑板/ppt等。

Ⅵ.Teachingprocedures

Stage

（timeperiod）

Interaction

patterns

Teacheractivity

Studentactivity

Remarks

1

Gettingstudentsreadyforlearning

（5mins）

Classactivity

Presentsomepicturesandobjectstolearnthenewwordsandphrases:

solarsystem,Roman,god,benamedaftersb.,diameter,gravity.

T:

What’sthis?

Oh,yourgeographyisquitegood.It’ssolarsystem.

What’sthis,then?

Whoishe?

HeistheRomangodofwar,Mars.AndtheplanetMarsisnamedafterhim.

Lookatme!

Iwillmeasurethediameteroftheping-pongball.Oh！

Itsdiameteris5centimeterslong.Couldyoutellmewhatdiametermeans?

Yougotit!

（dropstheball）Oh,mygod!

Doyouknowwhytheballfallstotheground?

Yes!

It’sthegravitythatmakesitfalltotheground.YouknowthestoryofNewton,don’tyou?

Learnthenewwordsandphrases.

Ss:

太阳系。

火星。

Sorry.

直径。

重力。

Yes.

允许学生用汉语表述新词。

老师要及时用英语板书并讲解：

solarsystem,Roman,god,benamedaftersb.,diameter,gravity。

2

Pre-reading

（2mins）

Individualwork

LettheSsreadthestatementsin1aandencouragethemtopredictwhichis/areright.

Now,readthefourstatementsin1aandpredictwhichofthemisorareright.WritedownF/Tontheleft.

Readthestatementsin1aandpredict.

把这四点用小黑板或大屏幕呈现更好。

这样学生就不用打开课本，以保持神秘感。

学生预测后不要马上判断正误。

3

While-reading

（10mins）

Step1:

LettheSsread1aquicklyandchecktheanswers.

Now,pleaseread1aquicklytocheckwhetheryouhavepredictedcorrectly.Whenyoufinish,raiseyourhand.

Hi,class!

Whohaspredictedalltheanswerscorrectly?

Noone?

Don’tworry.You’lldobetternexttime.

Step2:

LettheSsread1aagainanddo1b.Checktheanswers.

Now,pleaseread1aagainanddo1b.Ifyoufinish,putupyourhand.

Haveyoufinishedit?

xxx,what’sthediameterofMars?

Whatcolorisit,xxx?

Whatshapeisit,xxx?

…

Read1aquicklyandchecktheanswers.

Read1aagainanddo1b.

S1:

It’s53%aswideasthatoftheearth.

S2:

It’sredandorange.

S3:

Itlookslikeaball.

S4:

4

Post-reading

（14mins）

Groupwork

LettheSsread1aagain.Discussingroupstofindoutthedifficultandkeypoints.

Pleaseread1aagain.Discussingroupstofindoutthedifficultandkeypoints.Whenyoufinish,raiseyourhand.

Let’ssolvetheproblemsfirst.Whichgrouphasquestions?

Oh,youhavegotthemostimportantpoint.Boysandgirls,pleaseturntopage121,youwillfinditontherightsideofthepage.

Areyouclearnow?

Anymorequestions?

Whocanhelphim?

Wow,youarereallysmart.Couldyoutellusthemeaningof“storm”and“weigh”inLine8andLine10.

Wonderful!

Let’sgivehimabighand!

Whatdoyouthinkaretheimportantpoints?

LettheSsdiscussingroupsthequestionsin1c.Chooseamembertostatethereasons.

Readthequestionsin1c.Discussingroupsandstatethereasons.Whenyoufinish,raiseyourhand.

Now,let’sbeginwithQuestion1.Whichgroup?

Good!

Andquestion2?

Read1aagain.Discussingroupstofindoutthedifficultandkeypoints.

Wedon’tunderstand“Itsdiameteris53%aswideasthatoftheearth”.

Howdoweunderstandtheword“tell”in“Youcantellwhichplanetis…sky.”

辨认，辨别。

“Storm”的意思是“暴风”,“weigh”的意思是“有多重”。

倍数+as+形容词+as

S5:

benamedafter,name…after…

S6:

Discussingroupsthequestionsin1c.Chooseamembertostatethereasons.

Wedon’tthinkMarshasagoodclimateforplants.Becauseinspringandsummer,thesurfaceofMarsiscoveredbystrongstorms.

Wedon’tthinkMarsisausefulplacetodryfruit.Becausethetemperatureislow.Thehighesttemperatureisonly28℃.

对于学生提出的问题，如果教材附页有解释，可以让学生自己先看，若学生看不懂老师再解释。

5

Finishing

Task2

（8mins）

LettheSscompletetheletterandcirclethenewwords.

Now,readthee-mailandcompletetheletter.Ifyoufinish,putupyourhand.

Now,let’schecktheanswers.Let’sbeginwithxxx,thenonebyone.Areyouclear?

xxx,goahead,please.

LettheSslearnthenewwordsbysynonymsorwordformation.Forexample:

generally≈usually,journey≈trip,limit≈control,excite（v）+ment=excitement（n）

Lookatthesenewwords.Canyouguesstheirmeanings?

Pleaseturntothevocabularylistandtrytopronouncethembyyourself.Ifyouhaveproblems,raiseyourhand.

Whowantstotry?

Verygood.Payattentionto“generally”.Now,followme,“generally”.

Lookatthefirstsentence.Ifyoudon’tunderstandit,turntopage122forhelp.

Completetheletterandcirclethenewwords.

since

took

get

Learnthenewwordsbysynonymsorwordformation.

generally,journey,limit,excitement

generally.

9

Summarizingandassigninghomework（6mins）

LettheSsgooverthelessonandsumupthekeypoints.

Gooverthelessonandsumupthekeypoints.

Whatarethekeypoints,class?

HMK

Pleasereadtheinstructionsof3aand3b.Findoutwhatyoushoulddo.

Areyouquiteclear?

xxx,pleaseexplainwhatyoushoulddo.

I’mreallysatisfiedwithyourunderstanding.Ihopeeverybodywillfinishthetwotasks.Iwillcheckyourlettersinthenextperiod.

表达倍数。

Ittakessb.+time+todosth.

Ithasbeen+一段时间+since+从句

Itis+一段时间+since+从句

First,I’mKangkang.IshouldwritealettertoUncleStephentoaskhimsomeinformation.Second,I’mUncleStephen.Ishouldreadmypartner’sletterandanswerhisquestionsinthenameofUncleStephen.

Ⅶ.Blackboarddesign

I’mexcitedaboutthethingsthatwillbediscoveredinthefuture.

solarsystem

Roman

Godofwar

benamedafter

diameter

gravity

generally

journey

limit

excite+ment=excitement

倍数+as+adj/adv+as

百分数

Ittakes/took+sb.+一段时间+todosth.