新教材2025版高中英语Unit3TheworldofscienceSectionⅣWriting-写一个实验报告学案外研版必修第三册

SectionⅣWriting——写一个试验报告StepⅠ文本研读Ⅰ.框架建构：整体理解Readthepassageandfillintheblank.1．Thispassagetellsus________________________________whenitisputontopofthebottle,fromwhichhotwaterispouredout.2．Payattentiontothematerialsandprocedure.Ⅱ.文本剖析：特色表达Trytolearnthefollowingusefulsentencesforexperimentreport.(第一部分)Theexperimentisdesignedtofindoutwhatwillhappen...(试验目的)(其次部分)Ipreparedaboiledegg,aglassbottleandhotwatertodotheexperiment.(试验器材)First,removetheshelloftheegg.Thencarefully...Later...Afterthat，...Atlast...(试验步骤，留意表示动作先后依次的连词)(第三部分)Aftertheexperiment,wecandrawtheconclusionthat...(试验结论)Ⅲ.学问点1．proceduren．程序，步骤，手续2．theprocedurefor(doing)sth.做某事的程序3．thecorrect/proper/normalprocedure正确/合理/标准的步骤StepⅡWritinganexperimentreport[文体介绍]英文的试验报告主要描述试验目的、试验材料、试验步骤、试验结果和试验反思等。该文体要求逻辑清晰、语言平实，要把试验的过程表述清晰。[篇章结构]试验报告在篇章结构上通常分为三部分：(1)文章开头部分须要介绍一下试验背景和试验目的；(2)文章主体部分介绍试验材料和试验的详细步骤；(3)在最终的结论部分，交代试验的结果和从中学到的学问或者道理。[常用表达](1)介绍试验背景和试验目的的常用句式：❶Thisexperimentisdesignedto...该试验旨在……❷Belowisadescriptionofasimplescientificexperiment.以下是一份简洁的科学试验的说明。❸Theaimoftheexperimentistofindout...试验的目的是了解……❹Tofindoutif...，wecarriedoutthisexperiment.为了弄清晰……，我们做了这个试验。❺Wecarryoutanexperimenttofindout...我们做了一个试验来了解……❻Withthepurposeofdiscovering...为了发觉……(2)文章主体部分常用表达：❼Iprepared...todothisexperiment.我打算了……来做这个试验。①makegoodpreparationsfor...为……做好充分打算②dotheexperimentasfollows做如下试验③beunderobservation被视察❽Thefollowingthingsareneeded：...须要打算以下物品：……❾Toperform/conducttheexperiment,youneedthefollowingthings...为了做这个试验，你须要以下物品……(3)结论部分常用表达：⑩Aftertheexperiment，Icandrawtheconclusionthat...试验结束后，我可以得出……结论。⑪Fromthisexperimentwecanconclude...从这个试验中我们可以得出……结论。⑫Wecanlearnfromtheexperiment...我们可以从试验中学到……⑬Throughtheexperiment,youcanfurtherlearnaboutthetheorythat...通过这次试验，你可以进一步了解……理论。⑭Theresultoftheexperimentshowsthat...试验的结果表明……⑮Inconclusion,fromwhathappenedintheexperimentwecansay...综上所述，依据试验中发生的状况，我们可以看出……[实践应用]假定你是李华，请依据以下提示写一篇试验报告。试验目的：视察水的沸腾。试验步骤：1．在烧杯中放入适量的水；2．把温度计放到水中；3．点燃酒精灯，细致视察温度计和水的改变。试验结果：1．水温在60℃以下时，随着水温不断上升，杯底气泡(bubble)越来越多，有少量气泡上升；2．水温在60～90℃之间时，杯底气泡渐渐削减，气泡上升渐渐加快；3．水温达到100℃时，气泡上升最快，水面气泡最多，温度不再改变。试验结论：水在100℃时起先沸腾。参考词汇：烧杯beaker；温度计thermometer；酒精灯alcoholburner留意：1.词数80左右；2．可适当增加细微环节，以使行文连贯。第一步布局谋篇其次步遣词造句完成句子1．设计该试验的目的是视察水沸腾时的温度及发生的改变。Thisexperiment________________________thetemperaturewhenwaterboilsandwhathappensinwaterduringboiling.2．为了做试验，我打算了以下器材：水、一个温度计、一个烧杯和一盏酒精灯。________________________，Ipreparedthefollowingequipment:water,athermometer,abeakerandanalcoholburner.3．现在你能够看到，当温度达到100℃时，大量的气泡会从杯底上升至水面。Nowyoucanseethat______________________，plentyofbubblesrisefromthebottomofthebeakertothewatersurface.4．试验后，我可以得出结论：水在100℃时起先沸腾，另外大量的气泡会在沸腾时上升至水面。Aftertheexperiment,Icandrawaconclusion:waterstartsboilingat100degreescentigrade________________________．句式升级5．用that引导的主语从句、with复合结构改写句3。Now________________________plentyofbubblesrisefromthebottomofthebeakertothewatersurface__________________________________________．6．用that引导的同位语从句、while引导的时间状语从句改写句4。Aftertheexperiment,Icandrawaconclusion________________________at100degreescentigrade________________________________duringtheboiling.第三步完备成篇________________________________________________________________________________________________________________________________________________________________________________________________________________________SectionⅣWriting——写一个试验报告写作精析·技能提升StepⅠ文本研读Ⅰ.框架建构：整体理解1．whatwillhappentotheboiledeggStepⅡWritinganexperimentreport其次步1．isdesignedtoobserve2．Tocarryouttheexperiment3．whenthetemperaturereaches100degreescentigrade4．withplentyofbubblesrisingtothesurfaceduringboiling5．itcanbeseenthat;withthetemperaturereaching100degreescentigrade6．thatwaterstartsboiling;whileplentyofbubblesrisetothesurface第三步Thisexperimentisdesignedtoobservethetemperaturewhenwaterboilsandwhathappensinwaterduringboiling.Tocarryouttheexperiment,Ipreparedthefollowingequipment:water,athermometer,abeakerandanalcoholburner.Procedure：First,half-fillthebeakerwithwater.Thenputthethermometerinit.Finally,lightthealcoholburnerandheatthewater,andobservethereadingsofthethermometer.Nowitcanbeseenthatplentyofbubblesrisefromthebottom