科学就在我们身边作文,关于手帕的作文(作文,小学生作文,小学五年级作文,科学就在我们. 3页

科学就在我们身边作文，关于手帕的作文（作文，小学生作文，小学五年级作文，科学就在我们身边作文,关于于帕的作文）本文关键字：科学就在我们身边作文，关于手帕的作文（中英对照）陈混Theclassroom,weareconductingexperiments-notabadbumhandkerchief.Handkerchiefhowbaditisnotburning?Donotworry,listentomewithhisright.Classandtheteachersaidwithconfidence:"Today,totakeeveryonetobeapilot!"Seeyoulookpuzzled,theteachersmiling,explains:"Wehavetogiveahandkerchief'disfigured'!'，Thisshouldenableustounderstandthe."Youhavetocomeback!^^Teachersaid.Teacherspreparedanumberofprops:anironbar,ahandkerchief,apieceofpaperandabottleofalcohol,thereisapotfilledwithwaterbasin.Firstofall,theteacherputahandkerchiefintothewater,bubbleabubble,twistthescrew,layingtotheground.Theteacherasked:“Whatweseeonthehandkerchief?^^Everyonerashes:"Thereistwocars!^^"No,thetrain!''"Ah,thetrain.Theteachersaid,“Whatisasmalltrainexpressionah?"somestudentsshouted/9smiling,yo,therearetwolittleredface!Well,then,hasbeenconcernedforawhiletotraintheface."Thenthe\nteachertookoutapocketlighter.Ithought:God,theteachershouldbethelossofthispieceofhandkerchief!However,tooitchythroat,alsoremarkout.Then,Ialso“silly"toprayforasmallhandkerchief.“Black",asurgeofflamesjumpoutofburningofpaper,thrownintoaspeckledhandkerchiefsofalcohol,theteacherbroughtasmallironbars,pickpick,flamesimmediatelybecomebigger,somepeopleworrythatsays:“Doyouburnttotheground?"littletrainteacherssothatthepositiverushedus,"Hey,howlittletrainsstilllaughthatway?"teachershavebeensilent,didnotanswerourquestions・"Bury,bury!"“How'sgoingon?Howflamessuddenlyextinguished?Originallyattachedtothehandkerchiefonthewaterandalcohol,alcoholandwater,comparedwithitsdensityofsmall,volatile,burningthealcohol,soawillwentout.Waitingforustoexplorethemysteriousscience,butaslongastheloveofscience,andscienceonourside.DepicttheseedsofsciencetoexplorethemysteriesofatreasuremapZhang・教室里，我们正在做实验-烧不坏的手帕。手帕怎么烧不坏呢别着急,听我娓娓道來。上课了，老师胸有成竹地说T今天带大家做个试验厂看大家迷惑不解的样子，老师笑眯眯地解释着:"我们要给手帕'毁容穿‘这让我们更不解了。‘'你们都到后面来!"老师说道。老师准备了许多道具:一根铁棒、一块手帕、一张纸和一瓶酒精,还有一盆装满水的盆。\n首先,老师把手帕放到水里，泡了泡,拧了拧，铺到地上。老师问大家看到手帕上有什么"大家七嘴八舌道］有两辆小汽车广不对，是火车严嗯，是火车。’‘老师说，'‘小火车是怎样的表情啊"有同学喊:"微笑着的，哟,??有两个小红脸蛋厂“好,那么一会儿要一直关注小火车的表情。^说着,老师从口袋里摸出打火机。我心想:天哪，老师要损失了这块手帕!可是喉咙太痒，还把这句话说出来了。接着，我还“傻乎乎''地为小手帕祈祷。”啪”，一股火苗蹿了出来撚着了纸，扔到了洒满酒精的手帕上，老师拿来小铁棒挑了挑，火苗立刻变大了,有人担心地说:”会不会把地面烧坏了"老师让小火车的正面冲向我们,''咦，怎么小火车还笑呀'‘老师一直沉默着，没有回答我们的问题。"灭了，灭了!^怎么回事火苗怎么突然灭了原来,附着在手帕上的有水和洒精，酒精和水比起来，它密度小，易挥发,燃烧的是酒精，所以一会就灭了。神秘的科学等着我们探索，但只要热爱科学，科学就在我们身边。科学的种子描绘出一张张探索奥秘的寻宝图。