八年级英语下册Unit2Water教案新版牛津上海版.docx
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八年级英语下册Unit2Water教案新版牛津上海版
U2Water
Thefirstperiod
Teachingaims：
Introducethetopicwater.Askstudentstoworkinpairsforafewminutes,andtowritedownanythingtheyknowaboutwater.Ask3studentstotelltheiranswersandwritethemdownontheblackboard.Thendiscusstheirideasbrieflyanddotheexercises.
TeachingImportantPoints:
Trytoknowsomethingaboutwater
TeachingProcedures:
1:
AFreeTalk
Whatdoyouknowaboutwater
*Peoplecanlivewithoutfoodformorethanamonth,buttheycan’tlivewithoutwaterformorethanweek.Losingmorethan20%ofthenormalwatercontentofourbodieswillresultinapainfuldeath.
*About65-70%ofourbodiesarewater,soitisimportantforustodrinkalotofwater.Eachday,anormalpersonwilldrinkabout2.4litersofwaterorotherdrinks.InAmerica,theaveragepersonwilluse260litersofwateradayandonaverage,eachpersonwilldrink60,600litersofwaterinthereisafullmoonbecausethegravitationalpullofthemoonaffectsthewaterinourbodiesinthesamewayasitaffectstheoceantides.Legendssaythatwerewolvesappearwhenthereisafullmoon.
*Youneedmorewaterduringandafterexercisebecauseyoulosewaterbysweatingandyouneedtoreplacethewaterthatislost.
*Waterfreezesat0℃（32℉）.Whenitfreezes,itchangesintoice.Waterboilsat100℃（212℉）whenitchangesitsformintoagas,becomingsteam.
2:
Lookandthink
*Choosethewriteanswer
1Youcouldlivewithoutwaterforafew______.
adaysbweekscyouexercise,theamountofwateryouneed_____.
aincreasesbdecreasescremainsthesame
4Whenyoufreezewater,itbecomesa_______.
aliquidbsolidcgas
5About_______oftheearthiscoveredbywater.
aonethirdbonethecorrectorder.
（）Itflowstothesea.
（）Itrunsintostreamsandrivers.
（）Itrisesfromtheseatothesky.
（）Waterfallsfromthecloudsasrain.
（）Itfallsasrainagain.
Homework:
Previewthetext:
Watertalk
Thesecondperiod
Teachingaims:
1Trytounderstandthewholelessonandreaditfluently.Thetoneandpronunciationshouldbebasicallyright.
2Learnthenewwordsandphrases.
Teachingaids:
Multimediaequipment
TeachingImportantPoints:
Howtounderstandthetestcompletely.
TeachingDifficultPoints:
TeachingProcedures:
1:
AFreetalk
（AsktwoSstotalkaboutsomemeasuresweusetosavewaterandsaythefollowing.）T:
Verygood.Thankyouforyourperformance.
We’ttheworld.Ifwedon’tourdailylife,thesituationwillbeterribleandweallwilldie.Somepeopleinotherplacesaresufferingfromlackofwater,suchasAfricanpeople.Weshouldtreateverydropofwaterseriouslyandshouldnowasterevenadropofwater.
ShowthetextonthescreenthengivebriefintroductiontothestudentsandthenletSsreadthenewtextaftertherecording.
2:
learnsomenewwords.
1brushn.刷子，毛刷
v.刷，擦，拂拭Webrushourteethwithatoothbrusheveryday.
2pourv.灌注，倾泻，涌入，流，倾盆大雨
pouroilonthefire火上加油
Tearspouredfrom.水槽
Ileftthesoapbythesideofthesink.
v.使…下沉
Theshipissinking.
4vanishv.消失
Forestsarevanishingfromourland.
5drainn.排水管
Yourkitchendrainadj.冻结的frozenfood
7impatientadj.不耐烦的，没耐心的opp.patient有耐心的
I’mgettingimpatientbecauseI’vewaitedforan.耐心，容忍
I.
8obeyv.服从，顺从，听话
Theyrefusedtoobey（theorder）.
9faintadj.微弱的
Didyoujustnow?
10floatadj.漂浮，飘浮
Woodfloatsonwater.
11comfortablyadv.舒适的，舒服的
comfortableadj.安乐的，舒适的
comfortn.慰藉，安乐
Ifeelverycomfortableinthischair.
Thelovelybabywasacomfortto.景色，风景
The.看法，观点
Whatisyourviewonschoolpunishments?
13speedv.加速
speedup
n.速度
ataspeedof80milesan.点头
Hegreetedmewithanod.
15relaxv.松弛，放松，休息
Afteradayof.难题，迷
acrosswordpuzzle
Iwaspuzzled.治疗，处理
Histreatmentoftheanimalwascruel.
.化学制品
Theyaddedafewchemicalstocleanupthewater.
chemicaladj.化学的chemicalchange
chemistryn.化学Sheisoutchemistryteacher.
20sewagen.污水
Wecan’tletoutsewagebecauseitwillpollutethewater.
21plantn.工厂，仪器
Whentheplantcloseddown,manyworkerslosttheirjobs.
n.植物
v.种植
22pumpv.抽水
Canyou.抽水机，打气筒
23preciousadj.珍贵的，宝贵的
Nothingismorepreciousthanfriendship.
Thebeautifulvaseisveryprecious.
24weirdadj.怪异的，奇怪的，不可思议的
Tomandrepeat,thenanswersomequestions.
4:
Readandthink
Completethefollowingblanks.
1PETERWhywasthevoiceimpatient?
JUDY___________Daisywas____________________________.
2PETERWhydidDaisynodtheseaagain.’?
JUDY____________it__________thesea_______________place.
5PETERWhydidthewatersayitwaslikeliquidgold?
JUDY___________itbelievedthat_______________.
6PETERWhydidBennythinkthelanguagePoints:
1lookaround:
向四周看
Ilookedaroundandfoundtherewasnooneinthestreetatall.
2Itiswastimetodosth.是该…的时候了,到…时候了
Itistimetoyoufinishedyet.Another3daysareneededtofinishit.
Afterfinishingplayingfootball,youcanthefirstprize.
Itisimpossibleforpeopletoliveonthesun.
5getcleanedup=becleanedup
Homework:
Thethirdperiod
TeachingAims:
1Reviewthenewwordsandexpressionsandthegrammaticalpoints
inthechapter
2DosomeExercises
TeachingImportantPoints:
Master
1Showthenewwordsofchapter6on.Firstaskastudenttoread
aloud,correctthewrongpronunciation,andthenaskthewhole
classtoreadtogether.
2Readthetextafterthetapetounderstanditbetter
2:
AskstudenttodothevocabularyexercisesC1,C2andC3.
3:
Listening
Putthepictureintorightorder.
1Oneday,Suzy’smothergavecoin.Itwasratherdirty,soSuzyputitinthesinkandwashedit.Whenthecoinwasniceandclean,itsuddenlystartedtalkingtoSuzy.
2Thislisteningisaimedattrainingstudents’understandingoftheorderoftheevents.Askthestudentstosee‘Watertalk’.
3Playtherecordingonce,whilestudentslistenbutdonot
Writeanything.Tellthemtolistenforthesenseandthemain
points.Thenreplaytherecordingandstudentsmustcomplete
theexercise.Replayitathirdtime，explaininganyproblems.
4:
Gramma:
Learnpairstotellthedifferences.
*Explainthat“alittle”and“afew”allmean数量很少的,“afew”用于修饰可数名词,“alittle”修饰不可数名词，它们都表示肯定的含义
*afew=some,severalalittle=some
eg.Iwantalittlecoffee.
Givemeafewapples.
2Hetookfewbiscuits.
Hetooklittlebutter.
*Comparethetwosentencesandaskthestudentstodiscussinpairstotellthedifferences.
*Explainthat“few”and“little”allmean数量少到几乎没有,“few”修饰可数名词,“little”修饰不可数名词。
都含有否定涵义。
*few=notmanylittle=notmuch
eg.Littleofbooks.他很少花时间在书本上。
Therearefeweggsinthefridge,arethey?
冰箱里几乎没有鸡蛋，是吗？
1“few”,“afew”,“little”and“alittle”既可做形容词又可做代词。
eg.–-Doyouwantanycoffee?
--Alittle,please.
quiteafew=many
2eg.Ibeusedasadv.
eg.Hetalkedlittleaboutthechapter
2Furthertrainstudents’abilityoftalkingaboutamounts
3DosomeExercises
TeachingImportantPoints:
Mastertheusageofalotof,much,many,no,none
TeachingDifficultPoints:
1Thedifferentusageofalotof,much,many,no,none
TeachingProcedures:
1:
Revision
1．Spellthenewwordsandexpressionsorally．
2．Readthetextafterthetape
3mentsonstudents’abilityoftalkingaboutamounts
3Thereismuch（alotof）breadontheplate.
Hestamps.
*Comparethetwosentences
*Explainthat“alotof”canmodifyboth[C]nounand[U]noun.“Many”canonlymodify[U]nounand“much”canonlymodify[C]noun.
*Pointoutthat“alotof”onlycanbeusedindefinitesentences（肯定句）.Innegativeorinterrogativesentences（在否定句和疑问句中），weshouldchange“alotof”into“much”or“many”.
eg.Wethedesk.
Therearenotmuchpaperonthedask.
4“alot”canbeusedaspronounandadverb.
eg.---Mum,wherearemysocks?
---Isawalotinthedrawer.
ItrainsalotinspringinShanghai.上海的春天雨水很多。
5Thereisnocluetobefound.
Thereisnonetobefound.没有发现任何线索。
*Comparethetwosentences.
*Explainthat“no”=notany.Itcanmodify[U]or[C]noun.Itcanonlybeusedasadj.While“none”isthepronounform（代词形式）of“no”.
Eg.Timeandtidewaitfornoman.时间不等人。
NoneofthemcanspeakChinese.他们中没有一个人能说中文。
Jack’swifelikesnoneofisnogenius.爱迪生不是天才。
6Weuse“Howmany…andHowmuch…”toasktheamounts.Theymean“有多少…”.“Howmany”istomodify[C]nounwhile“Howmuch”istomodify[U].
Eg.Howmanypeoplearethereinyourfamily?
HowmanysupermarketsarethereinShanghai?
Howmuchoxygendoesapersonneedeveryday?
Howmuch（money）doyouwanttofinishyourproject?
*Whenweanswerthequestioninbrief,wecanuse“many,much,afew,alittle,alotandnone”aspronountorefertothenounmentionedinthequestion.
---Howmuchpaintdoyouneed?
你需要多少油漆？
---Idon’tneedmuch.我不需要很多。
---Howmanymobilephonesdoyou
Choosetherightwork.
1Thereis______（alittle,afew）juiceinthebottle.
2Therewas______（little,few）raininShanghailastmonth.
3Thereis_______（notmuch,notmany）waterinthepool.
4Oh,thereis______（alotof,alot）rubbishonthefloor.
5Sheisverybusy.Shetheparkasit’scoldtoday.
2:
Talkingaboutamounts
1Don’tgivethechildrentoomuchstresswhentheyaretakinganexam.
*AsktwostudentstoexplaintheChinesemeaning,
*Explainthat“too”usedbefore“many,much,few,little”means太多太少.
eg.Therearetoomanycarsinthecity.
Thereistoomuchpaperonthedesk.
Therearetoofewstudentsintheplayground.Wecan’teven’treadthecupboard.
Wedon’t’twork’tpasstheexam.如果你学习不用功，你就不会通过考试。
Ify
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