2024秋高中英语Module5ALessoninaLabSectionⅣWriting-实验报告课时作业含解析外研版必修1

PAGEPAGE1课时作业20模块话题应用文写作——科学试验“科学试验”话题包括学生在校进行的试验课、撰写的试验报告；也包括生活中的小试验以及科学家所进行的试验探讨。写作一：依据下面的提示，写一篇100词左右的有关“不打破鸡蛋除去蛋壳”的试验报告。试验目的：不打破鸡蛋除去蛋壳。试验仪器和材料：一只玻璃杯，一个小煮锅(saucepan)，水，一个鸡蛋，约250毫升醋(vinegar)。试验步骤：1．先把鸡蛋在煮锅中煮10分钟左右；2．把鸡蛋放在玻璃杯中；3．往玻璃杯中倒醋，醋要漫过鸡蛋；4．把鸡蛋在醋中泡24小时。试验结果：24小时后蛋壳完全消逝。试验结论：醋中的酸性物质(acid)与蛋壳中的碳酸钙(CaCO3)反应生成二氧化碳(CO2)，蛋壳消逝。Theaimofthisexperimentistoremovetheshellfromaneggwithoutbreakingit.Tocarryouttheexperiment,youneedthefollowingsubstances:aglass,asmallsaucepan,water,aneggandabout250mlvinegar.Withallthesethingsready,youcanbegintheexperiment.First,boiltheeggforabouttenminutesinthesaucepanfilledwithwater.Next,placetheeggintheglassandcoveritwithvinegar.Afterthat,leavetheegginthevinegarfor24hours.Theconclusionisthat24hourslater,youcanseethattheshelldisappearscompletely.TheshellismostlymadeofCaCO3andthevinegarincludesacid.TheeggshelldissolvesbecauseCaCO3reactswithacidtoformthegas,CO2.写作二：依据下面的提示，写一篇100词左右“视察水的沸腾”的试验报告。Theaimoftheexperimentistofindoutthetemperatureandwhathappenswhenwaterisboiling.Whenwecarryouttheexperiment,itisimportanttopreparethefollowingapparatus:beaker,water,thermometer,alcohollampandmatch.Belowisthedescriptionofthestepsoftheexperiment.First,fillabout100gwaterinthebeaker.Next,putathermometerinthewater.Afterthat,heatthewaterinthebeaker,andwatchthereadingsofthethermometer.Sometimelater,bubblesbegintoappearwhenthetemperaturereaches100℃.Andwecandrawaconclusionthatwaterboilswhenthetemperaturereaches100℃andalotofbubblesappearduringtheboiling.科学试验1．试验探讨①laboratoryn.试验室②experimentn.试验③researchn.探讨④aimn.目的⑤carryout/conduct/do/performtheexperiment做试验2．试验设备①beakern.烧杯②thermometern.温度计③alcohollamp酒精灯④matchn.火柴⑤balancen.天平⑥apparatusn.设备；仪器⑦cruciblen.坩埚⑧testtube试管⑨equipvt.装备，配备→equipmentn.设备3．试验过程①watchv.视察②measurev.测量；估量③leavevt.使……处于某种状态④covervt.覆盖⑤acquire/gain/obtainvt.获得⑥placevt.放置⑦swirlv.旋转⑧filtervt.过滤⑨explainvt.说明→explanationn.说明⑩summarizev.概括；总结→summaryn.摘要⑪observev.视察→observationn.视察⑫instructvt.指导→instructionn.指导⑬analyzevt.分析→analysisn.分析⑭findout发觉⑮add...to...往……加入4．试验结果①dissolvevi.溶解；分解；分别②formvi.形成③liquidn.液体④substancen.物质⑤solidn.固体⑥gasn.气体⑦appear