Unit 5 The power of nature上课学习上课学习教案.docx

Unit 5 The power of nature上课学习上课学习教案.docx

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Unit5Thepowerofnature上课学习上课学习教案

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.Hehasbeenabletotellusmoreabouta