unit 1 great scientists学案

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1、Unit1GreatScientistsWarmingupandPre-readingThe1stperiodKnowledgeaims:1.Learntheusefulnewwordsandexpressionsinthispart2.LearnaboutsomegreatscientistsandtheircontributionsBeforeclass(课前自主学习)1.重点单词（1）特征；特性（2）镭（3）画家；油漆匠（4）科学的（5）结束：推断出（6）暴露；接露（7）照顾；护理（8）内科医生2．重点短语（1）全身关注于（2）提

2、出（3）知道……的情况（4）找出；查明（5）出发；开始（6）既不是……也不是(7)得出结论3.突破难点1．Whichscientistthatobjectsarebyaforcethatthemfloat?划线的词可以被省略吗？why?那位科学家发现了水中的物体受到浮力的作用而浮在水上。1.Whowroteabook?谁写了一本书解释动植物是随着环境变化而进化?你所填的部分在句子中作何种句子成份？2.Whoatheoryaboutblackholes？谁提出了关于黑洞的理论？Inclass(合作探究，精讲释疑)Step1Lead-inW

3、ehavelearnedaboutmanygreatpeopleandsomefamousscientists.nowlookatthepictures.Doyouknowthem?RobertG.EdwardsCharlesKaoYuanLongpingThomasEdisonAlbertEinsteinMarieCurie1．试着把上面的图片和下面的英语介绍搭配起来1)Hewasawardedthe2010NobelPrizeinPhysiologyorMedicine“forthedevelopmentofinvitroferti

4、lization(体外受精)”．TheBritishbiologist’Sworkledtothebirthofthefirsttest—tubebaby，LouiseBrown，on25July，19782)ShewasaphysicistandchemistborninPoland．Shediscoveredradiumin1898andreceivedtwoNobelPrizes，oneforphysicsandtheotherforchemistry．3)HeisaChinese—Americancitizen，whoseChi

5、nesenameisGaoKun．Hewonhalftheprizeforhisresearchthatledtoabreakthroughinfiberoptics(光纤)andiscalled“Fatheroffiberoptics”．2．请判断下面几句话分别是上面哪位科学家的名言。1)——Imaginationismoreimportantthanknowledge．想象力比知识更重要。2)MysecretofSuccessisknowledge，swankandopportunity．我成功的秘诀是知识、汗水和机会。3)Geni

6、usisonepercentinspirationandninety-ninepercentperspiration．天才就是百分之一的灵感加上百分之九十九的汗水。Step2Warming-up1)Dothequizonpage1andseewhoknowsthemost2)Whatqualitiesdoyouthinkascientistshouldbe?Theyshouldbe.Step3Pre-readingTrytofinishthequestionsinPre-readingonpage1Languagepoints1.Who

7、putforwardatheoryaboutblackholes?谁提出了关于黑洞的理论？考点putforward提出Jackputforwardagoodsuggestionthatabridgebebuiltacrosstheriver杰克提出了一个好建议，在这　条河上修一座桥。考点延伸１）Putforward还有其他含义。如：Yououghttoputforwardyourwatchtenminutes你应该把表拨快十分钟。Wehavedecidedtoputforwardthemeeting我们已经决定把会议提前。归纳：putf

8、orward还可以表示２）与put相关的其他短语;Putoff推迟：延期puton穿：上演Putaway放好putout生产：熄灭Putup举起：建立：粘贴putin打断；插嘴；进putdown写下puto