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Unit16Scientistsatwork
Period2Reading(1)精选pptQ:Doyouknowthenamesofsomefamousscientists?Whataretheyfamousfor?精选pptHediscoveredwhyallthingsfalldowntoearth.Gravity精选pptCharlesDarwin(1809-1882)Dead-leafmimickatydidEvolution精选pptPoRaRadioactivityMadamCurie(1867-1934)精选pptBenjaminFranklin1706~~~1790statesman,inventorprinter,diplomatphilosopherwriter,scientist精选ppt1.WhendidBenjaminFranklindohisexperiment?2.Whatwasthepurposeofthisexperiment?3.Whatwasneededinthisexperiment?InJune1752To
showthatlightningandelectricitywerethesame.Skimming精选pptAkiteexperimentAkiteAkeySomereally
badweatherAcondensertostoreelectricity精选pptAkiteSomewoodensticksAverysharppieceofmetalAballofstringApieceofsilkAsilkribbon精选ppt4.Whatwastheresultoftheexperiment?Diditsucceed?5.Whyisitbettertomakethekiteofsilkbetterthanofpaper?6.Whatistheuseofthesilkribbon?Theelectricitystoredinthecondensercanbeusedtodootherexperiments,whichprovedthatlightningandelectricitywerethesame.Itwillnottearsosooninweatherwithrainanstrongwinds.Itwillprotectyoufromtheelectricity.精选pptHowtomakeakite1.Buildtheframeofthekitebymakingasmallcrossoftwopiecesoflightwood.2.Tiethecornersofthehandkerchieftothepointsofthecross.3.Addatailtotheframeandtiealongstringtothecross.WhattodothenFixaverysharppieceofmetal,pointingafootormoreabovetheframe,tothetopofthelongerstickofthecross.Fastenakeytotheendofthelongstring.Tieasilkribbontothestring,justabovethekey.TietoAddtoFixtoFastento精选pptReadthefollowingstatementsanddecideiftheyareTorF.In1752scientistsalreadyknewwhatelectricityis.Franklinwashelpedbyafriendtodotheexperiment.Franklinmadethekiteofsilkbecausewetsilkdoesnotconductelectricity.Acondenserwasusedintheexperimenttostoreelectricity.Thekeytiedtothestringwasputintothedoortostopthekitefromflyingaway.TFTFF精选pptWhichonesarecorrectaccordingtothetext?精选pptkeyribboncondensershed精选pptAim:Materials:Instructions:Description:Result:FRANKLIN’SFAMOUSKITEEXPERIMENT精选pptAim:Materials:Instructions:Description:Result:Toshowthatlightingandelectricarethesame.
somewoodensticks,apieceofsilk,somerope,asharppieceofmetal,silkribbon,akey,acondenser,asmallshed,athunderstormwithlightningParagraphs5&6
Paragraph3Theelectricitycanbecollectedandstoredinthecondenser;canbeusedtodootherexperiments;provesthatlightningandelectricityarethesame.精选pptDoyouthinkFranklin’sExperimentwasdangerous?Why?Dangerous!精选pptWhendoeslightningusuallyhappen?outsideWhenlightninghappens,whatshouldwenotdo?Insummer,beforeandwhenitrains.inside*Makeyourselflowerthanthethingsaroundyou*Don’tstandunderanisolated(孤立的)tree*Don’tgetintothewater(goodconductor)Don’tbenearthewindoworthewiresoflights,telephonesandsoon.lightningrodBenjaminFranklin精选pptDiscussionHowdidFranklinusehiscreativitytoovercomevariousproblemsforhisexperiment?Discussion1.Hecan’treachthelightning.2.Akitemadeofpaperwon’tlastlonginrainyweather.3.Asilkkitedoesn'tattractlightning.Discussion4.Hehadtocollectandstoretheelectricityinordertouseitinotherexperiment.5.Hehadtodirecttheelectricitytowardsthecondenser.Discussion6.Hehadtomakesurethathehimselfwouldnotbehitbythelightning.7.Hehadtostopthekitefromflyingaway,buthecouldnottouchthestringthatwouldbechargedwithelectricity.精选pptWherethereisawill,thereisaway.Nothingisimpossibleforawillingheart.精选pptBenjamin'sGreatinventionLightningrodTheoriginalone精选pptWhichunderlinedwordhasthesamemeaningasitdoesinthetextChargeHowmuchdoyouchargeforrepairingmyCDplayer?Thefrightenedanimalchargedintotheshop.Itusuallytakesonehourtogetmycellophanefullycharged.Thestringwasgettingcharged.精选pptConductTheguideconductedthetouristsroundthemuseum.Howwelldoesthismaterialconductelectricityorheat?TheconcertonSaturdayeveningwillbeconductedbyaworld-famousconductor.Whenthekiteandthestringarewetfromtherain,theywillconducttheelectricity…精选pptCrossHewassurprisedtoseesomanycrossesalloverhismathshomework.Sheiswearingacrossaroundherneck.Theriverwastoodeeptocross.Tiethecornersofthehandkerchieftothepointsofthecross,and…精选pptSharpBlindanimalsmaysurvivebytheirsharpsenseofsmell.Theknifeisnotsharpenoughtocutthemeat.Ifeltasharppaininmystomach.Fixaverysharppieceofmetal,…tothetopofthe….精选pptTearDon’tpulltheclothsohard.Ittearseasily.Theyaretearingdowntheseoldhousesfornewbuildings.Hesawthebeautifullittlegirlintears.,butakitemadeofsilkwillnottearsosoon…精选pptTieEachteammadeonegoalandthematchendedinatie.Yournewtielooksgreatwithyourbluesuit.Thistwoyearoldgirlislearninghowtotiehershoes.Tiethecornersofthehandkerchieftothepointsofthecross,and…精选ppt1.Franklineattractedlightningbyusinga______madeof________.2.Asilkkitedoesnotattractlightning,sohehadtofixalongsharppieceof______tothetopofthelongeststickofthecross.3.Hebroughta___________tostoreelectricity.4.Heusedasmall______inthefieldstokeephimselfandhistoolsdry.5.Hetiedasilk______tothestringsothatthekitecouldprotecthimfromthe___________.6.Hedirectedtheelectricitytowardsthecondenserwithapieceofmetalattheendofthestringbytyingametal_______totheendofthestring.kitesilkmetalcondensershedribbonkeyelectricity精选ppt精选ppt9、静夜四无邻,荒居旧业贫。。2022/12/72022/12/7Wednesday,December7,202210、雨中黄叶树,灯下白头人。。2022/12/72022/12/72022/12/712/7/202212:47:21PM11、以我独沈久,愧君相见频。。2022/12/72022/12/72022/12/7Dec-2207-Dec-2212、故人江海别,几度隔山川。。2022/12/72022/12/72022/12/7Wednesday,December7,202213、乍见翻疑梦,相悲各问年。。2022/12/72022/12/72022/12/72022/12/712/7/202214、他乡生白发,旧国见青山。。07十二月20222022/12/72022/12/72022/12/715、比不了得就不比,得不到的就不要。。。十二月222022/12/72022/12/72022/12/712/7/202216、行动出成果,工作出财富。。2022/12/72022/12/707December202217、做前,能够环视四周;做时,你只能或者最好沿着以脚为起点的射线向前。。2022/12/72022/12/72022/12/72022/12/79、没有失败,只有暂时停止成功!。2022/12/72022/12/7Wednesday,December7,202210、很多事情努力了未必有结果,但是不努力却什么改变也没有。。2022/12/72022/12/72022/12/712/7/202212:47:21PM11、成功就是日复一日那一点点小小努力的积累。。2022/12/72022/12/72022/12/7Dec-2207-Dec-2212、世间成事,不求其绝对圆满,留一份不足,可得无限完美。。2022/12/72022/12/72022/12/7Wednesday,December7,202213、不知香积寺,数里入云峰。。2022/12/72022/12/72022/12/72022/12/712/7/202214、意志坚强的人能把世界放在手中像泥块一样任意揉捏。07十二月20222022/12/72022/12/72022/12/715、楚塞三湘接,荆门九派通。。。十二月222022/12/72022/12/72022/12/712/7/202216、少年十五二十时,步行夺得胡马骑。。2022/12/72022/12/707December202217、空山新雨后,天气晚来秋。。2022/12/72022/12/72022/12/72022/1
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