最新仁爱版九年级英语上册Unit 4 Amazing Science Topic 2Section C 教案文档格式.docx

最新仁爱版九年级英语上册Unit 4 Amazing Science Topic 2Section C 教案文档格式.docx

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学生通过学习本课，可以对火星有大致的了解，也有助于激发学生探索宇宙的好奇心。

3a和3b这两个任务关联性很强，3b只有在学生完成了3a之后才能完成，没有3a的信息，3b就不能进行。

把这两个任务留作家庭作业较好。

Ⅱ.Teachingaims

1.Knowledgeaims：

掌握本课的重点词汇和短语，了解火星的相关知识。

2.Skillaims:

能够通过所获取的文字信息，对火星有所了解，拓展自己的知识面。

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：

Itsdiameteris53%aswideasthatoftheearth.

IthasbeentwodayssincewelandedonMars.

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.

Yes.

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…sk