知识学习Unit 5 The power of nature教案.docx
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知识学习Unit 5 The power of nature教案.docx
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知识学习Unit5Thepowerofnature教案
Unit5 Thepowerofnature教案
Unit5 Thepowerofnature教案
单元要览
本单元的中心话题是火山、飓风、地震和洪水等自然灾害,听说读写等语言知识和语言技能主要围绕“自然灾害”及如何预防和利用自然灾害这一主题进行。
本单元引导学生讨论这些问题,目的在于帮助学生掌握与“自然灾害”这一主题有关的词汇知识,让他们了解自然界的威力,认识到人类只有保护自然,才能有效地预防自然灾害并改造和利用自然,同时也培养了他们热爱大自然的情操。
本单元的主要教学内容如下表所示:
类别
课程标准要求掌握的内容
话题
volcanoes;craterlakes;cyclones;floods
词
汇
appoint
v.任命;委派
ash
n.灰;灰末
wave
vi.波动;挥手 n.波涛
hurricane
n.飓风;风暴
suit
v.适合;使适宜 n.套装
questionnaire
n.问卷;调查表
shoot
v.射中;射伤
equipment
n.设备;装备
panic
v.惊慌 n.恐慌
database
n.数据库;资料库
guarantee
v.保证;担保
helmet
n.头盔
potential
n.潜在性;潜能 adj.可能的
boot
n.靴子
anxiety
n.担心;焦虑;渴望
candidate
n.候选人;候补者
absolute
adj.绝对的;完全的
bungalow
n.平房;小屋
actual
adj.实在的;实际的
typhoon
n.台风
anxious
adj.焦虑的;不安的
thunderstorm
n.雷暴
alongside
adv.在旁边;沿着边 prep.在……旁边;沿着……的边
novelist
n.小说家
absolutely
adv.绝对地;完全地
fog
n.雾
erupt
vi.爆发;突然发生
document
n.文件;证件
evaluate
v.评估;评价;估计
rainbow
n.彩虹
fountain
v.泉水般地喷出或涌出
n.喷泉;源泉
balcony
n.阳台
tremble
vi.摇晃;摇动;颤抖
shot
n.射击;枪炮声
sweat
vi.出汗 n.汗
appreciation
n.欣赏;感激;感谢
bathe
vi.洗澡;游泳
precious
adj.贵重的;珍贵的
diagram
n.图解;图表;示意图
uncomfortable
adj.不舒服的;不舒适的
volcano
n.火山
unconscious
adj.失去知觉的;未察觉的
eruption
n.火山爆发;爆发
diverse
adj.多种多样的;不同的
makeone'sway前往
burntotheground全部焚毁
glancethrough匆匆看一遍
attach...to...把……附在……上
varyfrom...to...由……到……不等
compare...with...把……和……做比较
alivevolcano一座活火山
beabouttodo即将;马上;正要做
partof部分
runoutof跑出去;用光;耗尽
outoftheway不挡道;不碍事;躲开
lookdowninto向下看
becoveredwith被……所覆盖,遮掩
take...bysurprise使……吃惊
agreatdiversityof多种多样的
behometo是……的栖息地;原产地
inthedistance在远处;在远方
pickup拾起;捡起
onearth在地球上;究竟;到底;根本
protectsb./sth.against/fromsth.保护……不受……的伤害
句
型
.Having_collected_and_evaluated_the_information,Ihelpotherscientists
topredictwherelavafromthevolcanowillflownextandhowfast.
2.Iwas_about_togobacktosleepwhensuddenlymybedroombecameasbrightasday.
3.Theothertwoclimbeddownintothecratertocollectsomelavaforlaterstudy,butthis_being_my_first_experience,Istayedatthetopandwatchedthem.
4.Having_studied_volcanoes_now_for_many_years,Iamstillamazedattheirbeautyaswellastheirpotentialtocausegreatdamage.
5.myjobiscollecting_information_for_a_database_about_mount_kilauea...
6.Iwasappointedasavolcanologistworking_for_the_Hawaiian_Volcano_observatory_twenty_years_ago.
功
能
情感:
喜悦、恐惧、焦虑、惊奇
Ibecamesoexcitedthat... I'mlookingforwardto...
Perfect!
youdidagoodjob.
I'mfrightened.
Iwastrembling.
Iwassoanxious...
Ifeltverynervous.
oh,mygoodness.
oh,no!
Ihadneverfeltsohappyas...
Doesn'tthatlooklovely?
Ican'twait...
Iwasneversofrightened...
what'shappening?
what'shappened?
what'sthatnoise?
where'sthe...?
语法
复习-ing形式
IwasappointedasavolcanologistworkingfortheHawaiianVolcanoobservatorytwentyyearsago.
myjobiscollecting_information_for_a_database_about_mount_kilauea...
Having_worked_hard_all_day,Iwenttobedearly.
Having_experienced_quite_a_few_earthquakes_in_Hawaii_already,Ididn'ttakemuchnotice.
教
学
重
点
.Getstudentstoknowaboutdisastersthatarecausedbynaturalforces.
2.Havestudentslearnsomeusefulnewwordsandexpressionsaboutnaturaldisastersandletthemlearneffectivewaystomasterthem.
3.Enablestudentstoexpresstheiremotionssuchasjoy,fear,anxietyandsurprise.
4.Letstudentsgetabetterunderstandingofthegrammaritem:
the-ingform.
5.Developstudents'listening,speaking,readingandwritingability.
教学难点
.Enablestudentstomastertheusagesofthe-ingform.
2.Letstudentslearntowritealetterexpressingemotions.
3.Developstudents'integrativeskills.
课时安排
Periodsneeded:
6
Period1 warmingUp,Pre-reading,Readingandcomprehending
Period2 LanguageStudy
Period3 Grammar—the-ingForm
Period4 ListeningandSpeaking
Period5 Readingandwriting
Period6 SummingUp,LearningTipandAssessment
Period1 warmingUp,Pre-reading,Reading
andcomprehending
整体设计
教学内容分析
Thisisthefirstteachingperiodofthisunit.ThecentralpartofthisperiodisthereadingpassagewiththenameofAnExcitingjobshowingthestudentsthepowerofnature.
warmingUpgivestwotopicsforstudentstodiscuss,lettingstudentsgetsomemoreknowledgeaboutthepowerofnature.
Pre-readingprovidessomequestionsandaquestionnairetohelpstudentsfocusonthetopicofthereadingpassageandleadthestudentstothinkaboutanypersonalexperiencesofworkingoutside,suchasthingsaboutclimbingintoalivevolcano,doingdangerouswork,travelling,takingrisks,adventure,studyingrocksandsoon.
Readingisafirst-personaccountofavolcanologist'sexperiences.Heloveshisjobverymuchbecausehecanhelpprotectordinarypeoplefromoneofthemostpowerfulforcesonearth.Hisjobiscollectinginformationforadatabaseaboutmountkilaueaandhelpingotherscientiststopredictwherelavafromthevolcanowillflownextandhowfast.once,hewatchedaneruptionandthencollectedsomelavaforlaterstudy.Aftermanyyears,heisstillenthusiasticabouthisjob.Readingcontainsapicturethatisanabsolutelyfantasticsight.Afteraglanceatthetitleofthetextandtheheadlineswithinitweknowthatitisanaccount,inwhichtherearemanyemotionexpressions.Thenwecanunderstandthetopicofthetextandhowtheinformationisorganized.
comprehendingconsistsofthreewrittenororalexercisesforthestudentstodosoastohelpthestudentstogetabetterunderstandingofthetext,thatistosay,tohelptheteachertocheckhowmuchthestudentshaveunderstoodthetext.
三维目标设计
knowledgeandskills
.Toknowthemeaningsofthefollowingnewwordsandphrases:
diagram,volcano,erupt,eruption,ash,hurricane,questionnaire,alongside,equipment,appoint,database,evaluate,wave,fountain,absolute,absolutely,suit,helmet,boot,potential,actual,burntotheground,makeone'sway.
2.Tolearnaboutsomedisastersthatarecausedbynaturalforces,howpeoplefeelindangeroussituationsandthewaysinwhichhumansprotectthemselvesfromnaturaldisasters.
3.Tolearnhowtheinformationisorganized.
4.Todevelopthestudents'readingabilitybyskimmingandscanningthepassage.
5.Todevelopthestudents'speakingabilitybytalkingaboutnaturalforces.
Processandmethods
.whiledoingwarmingUptheteachercanleadinthetopicofthisunitbyshowingstudentssomepicturesofnaturaldisastersandintroducingsometechnicalvocabularyconcerningvolcanoestoreviewanddevelopstudents'understandingofwhatavolcanois.Toaskstudentstoconsiderothernaturaldisastersandthewayshumansdealwiththem.
2.DuringPre-readingtheteachercangoaroundtheclassroomanddiscussthequestionswithseveralstudents.Thisdiscussionshouldbestudent-centeredandarousestudents'interestinworkingoutside.Theteachershouldalsoaskthestudentssomequestionsandtrytoletthemhaveageneralknowledgeofvolcanoes.
3.whiledoingReadingandcomprehending,theteachermayfirstaskthestudentstoreadthetextquicklytogetthegeneralideaofeachparagraph.Afterreadingthepassagecarefully,studentsareencouragedtoanswersomequestionsanddiscussthetextstructure.
4.Toconsolidatethecontentsofthereadingpassage,thestudentsshouldberequiredtoretellthevolcanologist'sexperiencesintheirownwordsattheendoftheclass.
Emotion,attitudeandvalue
.Tostimulatestudents'lovetonature.
2.Todevelopstudents'senseofcooperativelearning.
教学重、难点
.Toenablethestudentstolearnaboutthepowerofnatureandtodeveloptheirreadingability.
2.Toenablethestudentstotalkaboutnaturalforces.
教学过程
Step1 warmingup
.warmingupbylookingandtalking
Showthefollowingpicturestothestudentsandletthemknowaboutthepowerofnatureandtalkaboutthem.
Sampleexpressions:
whathappenedinthepicturesabove?
Doyouknowanyothernaturaldisasters?
Pleaseworkwithyourpartnersandmakealistofnaturaldisasters.Haveyoueverseenavolcano?
2.warmingupbyreadingthepassagebelow.
Someknowledgeaboutvolcanoes
Therearethousandsofvolcanoesallovertheworld.whatmakesvolcanoes?
whathappens?
Theinsideoftheearthisveryhot.Becauseitisvery,veryhot,therockhasmeltedlikeice.Ithasbecomeliquid,likewater.Itisalwaysboiling,likewaterinakettle.Ifyouhaveseenakettleboiling,youknowthatthesteamandboilingwatertrytogetout.Theveryhotmeltedrockinsidetheearthalsotriestogetout.Usuallyitcannotbecausetheoutsideoftheearthistoothickandstrong.
Butinsomeplacestheoutsideoftheearthisthinand
weak.Sometimesacrackappears.Thehotmeltedrock,whichwecall“lava”,pushesupthroughthecrackandburststhrough.Steamandgasshootupintotheairandthehotmeltedlavapoursout.Bigpiecesofrockmaybethrownhighintotheair.
Afterawhilethevolcanobecomesquietagain.Themeltedlavabecomeshard.Laterthesamethinghappensagainandagain.Eachtimemorehotlavapoursoutontopofthecoldlavaandthenbecomeshard.Inthiswayakindofmountainisbuiltup,withaholedownthemiddle.Perhapsthevolcanowillthenbequietandnomorelavawillburstout.Perhapsitwillstartagainhundredsofyearslater.
VesuviusisthenameofaveryfamousvolcanoinItaly.Itfirstcametolifemany,manyyearsago.Itwasquietforhundredsofyears.Thenintheyear79itsuddenlyburst.Agreatcloudofsmokeshotupintotheskywithgreatburningrocks,whichfellallaround.Hotlavapoureddownitssides.About3000peoplewerekilled.
Step2 Pre-reading
.canyouimagineclimbingintoalivevolcanoinordertomeasurethetemperatureoftheboilingrockinside?
Now,readthefollowingpassageplease.
whydoesTazieffriskhislifelikethis?
HarounTazieff,thepolishscientist,hasspenthislifetimestudyingactivevolcanoesanddeepcavesinallpartsoftheworld.In1948,hewenttoLakekivuinthecongotoobserveanewvolcanowhichhelaternamedkituro.Tazieffwasabletosetuphiscampveryclosedtothevolcanoeswhileitwaseruptingviolently.Thoughhemanagedtotakeanumberofbrilliantphotographs,hecouldnotstaynearthevolcanoesforverylong.Henoticedthatariverofliquidrockwascomingtowardshim.Itthreatenedtosurroundhimcompletely.ButTazieffmanagedtoescapejustintime,hewaiteduntilthevolcanoesbecamequietandhewasabletoreturntwodayslater.Thistime,hemanagedtoclimbintothemouthofkiturosothathecouldtakephotographsandmeasuretemperatures.Tazieffhasoftenriskedhislifeinthisway.Hehasbeenabletotellusmoreaboutactiv
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