新教材2025版高中英語Unit3TheworldofscienceSectionⅣWriting-寫一個實驗報告學案外研版必修第三冊

SectionⅣWriting——寫一個試驗報告StepⅠ文本研讀Ⅰ.框架建構(gòu)：整體理解Readthepassageandfillintheblank.1．Thispassagetellsus________________________________whenitisputontopofthebottle,fromwhichhotwaterispouredout.2．Payattentiontothematerialsandprocedure.Ⅱ.文本剖析：特色表達Trytolearnthefollowingusefulsentencesforexperimentreport.(第一部分)Theexperimentisdesignedtofindoutwhatwillhappen...(試驗目的)(其次部分)Ipreparedaboiledegg,aglassbottleandhotwatertodotheexperiment.(試驗器材)First,removetheshelloftheegg.Thencarefully...Later...Afterthat，...Atlast...(試驗步驟，留意表示動作先后依次的連詞)(第三部分)Aftertheexperiment,wecandrawtheconclusionthat...(試驗結(jié)論)Ⅲ.學問點1．proceduren．程序，步驟，手續(xù)2．theprocedurefor(doing)sth.做某事的程序3．thecorrect/proper/normalprocedure正確/合理/標準的步驟StepⅡWritinganexperimentreport[文體介紹]英文的試驗報告主要描述試驗目的、試驗材料、試驗步驟、試驗結(jié)果和試驗反思等。該文體要求邏輯清晰、語言平實，要把試驗的過程表述清晰。[篇章結(jié)構(gòu)]試驗報告在篇章結(jié)構(gòu)上通常分為三部分：(1)文章開頭部分須要介紹一下試驗背景和試驗目的；(2)文章主體部分介紹試驗材料和試驗的詳細步驟；(3)在最終的結(jié)論部分，交代試驗的結(jié)果和從中學到的學問或者道理。[常用表達](1)介紹試驗背景和試驗目的的常用句式：?Thisexperimentisdesignedto...該試驗旨在……?Belowisadescriptionofasimplescientificexperiment.以下是一份簡潔的科學試驗的說明。?Theaimoftheexperimentistofindout...試驗的目的是了解……?Tofindoutif...，wecarriedoutthisexperiment.為了弄清晰……，我們做了這個試驗。?Wecarryoutanexperimenttofindout...我們做了一個試驗來了解……?Withthepurposeofdiscovering...為了發(fā)覺……(2)文章主體部分常用表達：?Iprepared...todothisexperiment.我打算了……來做這個試驗。①makegoodpreparationsfor...為……做好充分打算②dotheexperimentasfollows做如下試驗③beunderobservation被視察?Thefollowingthingsareneeded：...須要打算以下物品：……?Toperform/conducttheexperiment,youneedthefollowingthings...為了做這個試驗，你須要以下物品……(3)結(jié)論部分常用表達：⑩Aftertheexperiment，Icandrawtheconclusionthat...試驗結(jié)束后，我可以得出……結(jié)論。?Fromthisexperimentwecanconclude...從這個試驗中我們可以得出……結(jié)論。?Wecanlearnfromtheexperiment...我們可以從試驗中學到……?Throughtheexperiment,youcanfurtherlearnaboutthetheorythat...通過這次試驗，你可以進一步了解……理論。?Theresultoftheexperimentshowsthat...試驗的結(jié)果表明……?Inconclusion,fromwhathappenedintheexperimentwecansay...綜上所述，依據(jù)試驗中發(fā)生的狀況，我們可以看出……[實踐應用]假定你是李華，請依據(jù)以下提示寫一篇試驗報告。試驗目的：視察水的沸騰。試驗步驟：1．在燒杯中放入適量的水；2．把溫度計放到水中；3．點燃酒精燈，細致視察溫度計和水的改變。試驗結(jié)果：1．水溫在60℃以下時，隨著水溫不斷上升，杯底氣泡(bubble)越來越多，有少量氣泡上升；2．水溫在60～90℃之間時，杯底氣泡漸漸削減，氣泡上升漸漸加快；3．水溫達到100℃時，氣泡上升最快，水面氣泡最多，溫度不再改變。試驗結(jié)論：水在100℃時起先沸騰。參考詞匯：燒杯beaker；溫度計thermometer；酒精燈alcoholburner留意：1.詞數(shù)80左右；2．可適當增加細微環(huán)節(jié)，以使行文連貫。第一步布局謀篇其次步遣詞造句完成句子1．設(shè)計該試驗的目的是視察水沸騰時的溫度及發(fā)生的改變。Thisexperiment________________________thetemperaturewhenwaterboilsandwhathappensinwaterduringboiling.2．為了做試驗，我打算了以下器材：水、一個溫度計、一個燒杯和一盞酒精燈。________________________，Ipreparedthefollowingequipment:water,athermometer,abeakerandanalcoholburner.3．現(xiàn)在你能夠看到，當溫度達到100℃時，大量的氣泡會從杯底上升至水面。Nowyoucanseethat______________________，plentyofbubblesrisefromthebottomofthebeakertothewatersurface.4．試驗后，我可以得出結(jié)論：水在100℃時起先沸騰，另外大量的氣泡會在沸騰時上升至水面。Aftertheexperiment,Icandrawaconclusion:waterstartsboilingat100degreescentigrade________________________．句式升級5．用that引導的主語從句、with復合結(jié)構(gòu)改寫句3。Now________________________plentyofbubblesrisefromthebottomofthebeakertothewatersurface__________________________________________．6．用that引導的同位語從句、while引導的時間狀語從句改寫句4。Aftertheexperiment,Icandrawaconclusion________________________at100degreescentigrade________________________________duringtheboiling.第三步完備成篇________________________________________________________________________________________________________________________________________________________________________________________________________________________SectionⅣWriting——寫一個試驗報告寫作精析·技能提升StepⅠ文本研讀Ⅰ.框架建構(gòu)：整體理解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