《Astronomy：thescienceofthestars》学案6（新人教版必修3）

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1、Unit4Astronomy:thescienceofthestars-reading学案AVisitToTheMoon学习目标：1.Learnaboutthethreewaysgravitychangedduringthevisit.2.Mastersomekeylanguagepoints.3.Developthecuriosityofexploringspace.学习重点：1.Words:CDforce/power/strength/energy②escape③exhaust2.Phrases:gett

2、hehangof3.倍数的表达学习方法：自主探究；小组合作学习过程：I・KnowledgeLinkWhoisthefirstmaninChinawalkinginspace?11.Reading1.Readthepassageandfinishthechartbelow.Theforceofgravitychanges3timesChange1Whenwearetryingtothepulloftheearths,itiswecouldnotsayanythingtoeachothe匚Change2Whenw

3、eareinspace,wethereisnogravityatall.Change3Whenweareonthemoon,weareabletomoveandcertainlyless.2.Analyzesentencestructure例:IdidhearthattheBankofEnglandhadissuedtwonotesinthisamount.【分析】that引导的句子做hear的宾语，为宾语从句•LiYanpingexplainedtomethattheforceofgravitywouldc

4、hangethreetimesonourjourneyandthatthefirstchangewouldbethemostpowerful.【分析】explainedtome后面跟了两个由and并连的that引导的.②仮0:WangPengsatinhisemptyrestaurantfeelingveryfrustrated.【分析】动词feel前无连接词，故不能和sat—起做并列谓语，只能以非谓语形式做状语；feel和主语WangPeng是主动的关系，故用~ing形式，如果是被动的关系，则用~ed形式.

5、•Icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabinwatchingtheearthbecomesmallerandthemoonlarger.【分析Jwatch前没有连接词，所以不能和动词cheeredup及floated一起做并列谓语；watch和主语I是关系，所以用形式作伴随状语。•Wewatched,amazedasthefirbrokeoutontheoutsideofthespaceshipastheearth'

6、sgravityincreased.【分析Jamazc受词组beamazed的影响，和主语wc是形式上的被动关系，所以用形式做伴随状语.CrazeEnglish:(Openyourmouthandreadloudly)LItwassohardthatwecouldnotsayanythingtoeachothe匚2.Wearetoofarfromtheearthnowtofeelitspull・3.Iwascarriedtwiceasfarasontheearthandfelldown・4・Walkingdo

7、csneedabitofpracticenowthatgravityhaschanged・5.Leavingthemooifsgravitywasnotaspainfulasleavingtheeartht.III.LanguagePoints1.wordmeaningexampleforce暴力；说服力：法律/道德的力量Therobbertooktheoldman'smoneybyforce.power做某事的能力或能发挥出力的力量；政权；权力Knowledgeispower.strengthHeretur

8、nedtohishometownwherehismentalhealth人的力气andstrengthgraduallygotbetter.energy人的精力或自然界的能源Oilisaformofenergy.2.escapevt.逃脱；免除；被遗忘，未被注意Youcan'tescapethefactthat你不能逃避这样的事实…escapedoingsthThetigerescapedbeing