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ID:33158902
大小:137.50 KB
页数:5页
时间:2019-02-21
《history of the atom原子的历史》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、HistoryoftheAtomIntroductionAllmatterismadeoftinyparticlescalledatoms.Theseatomsaresosmallthat,inordertobegintoseetheatomsthatmakeupadropofwater—wewouldhavetoblowituptoasizeof15milesacross!Theseatomsareinturnmadeofevensmallerparticlescalledprotons,neutronandelectrons.Everythingthatmatterisand
2、everythingthatmatterdoescanbeexplainedbythebehaviorofatoms!Howhavescientistscometounderstandtheseparticleswecannotsee?Howhasthisunderstandingchangedandevolvedovertime?Andwhatremainstobediscovered?Inaway,thescientistswhohaveunraveledthepropertiesoftheatomhavebeenlikedetectivessolvingpartsofamy
3、stery—withnewmysteriesarisingoutofeverydiscovery.YourTaskYouwillworkasagroupofoneortwotoresearchthescientistsandexperimentsthathaveleadtoourcurrentunderstandingoftheatomanditsproperties.Youwillworkinyourgrouptofindinformationonatleast5scientists.Yourgroupwillresearch,andreporton,thefollowing-
4、A.Biography:Whendidthisscientistlive?Whatwashisorhereducationandbackground?Howdidtheviewsofthescientificcommunityinfluencetheirviewsandwork?B.Discovery:Whatdiscoveryisthisscientistnotedfor?Thompson,RuthefordandMillikanareeachnotedforalandmarkexperiment—whatwasitandwhatdiditprove?C.Timeline:Ho
5、wdidthisdiscoverychangeourviewoftheatomoritsproperties?Howdiditinfluencefutureresearch?Eachgroupwillpreparea1–2pagepaperandwillpresentoneoftheirscientiststotheclasswiththeresultsoftheirresearch.Youmayuseposters,demonstrationsoranyothervisualyouchoose.Presentationsshouldbebetweentwo–fiveminute
6、s,andnolongerthanfiveminutes.Eachgroupwillprepareasinglepostertocontributetoaclasstimelineofthediscoveryoftheatom.Eachposterinthetimelinewillnotethedateorperiodofthediscovery,themajorcharacterandtheadvancementinourunderstandingoftheatomthatisassociatedwithyour5scientists.Finally,eachgroupwill
7、prepareareportoftheirresearchonthebiography,discoveryandtimelineoftheirtopic.Justhitthemajorpoints!Thistaskmaybedividedbetweengroupmembers—butyoumustmakethefinalproductlooklikeasinglereport—notacutandpasteoftworeports.Anoteonsources:Allsource
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