关于实验的英语作文

一天我看见一本书里写着很有意思的事情：在特定的情况下，塑料瓶会成为他们的水，肥皂泡。我想这是非常有意思的事情^

oneday,isawthebookonsuchafunnything:ifundercertainconditions,plasticbottleswillbetheirwater,blowingbubbles.ithinkthisisveryinterestingexperiment,theyintendtodotheirowntime,tofigureoutwhythebottlewilldrinkbubbleblowing.

inaccordancewiththebookonthetipsofmybetterpreparethefollowingmaterials:afewoftheflexiblestraw,aplatter,aglassoftapwater,acupofhotwater,acupoficewater,adhesivetape,rubbercement,ink,alargeplasticbottle.aftereverythingisready,istarttodotheexperiment.

thefirststep,iusedrubbercementtosealthebottle,andtheninsertedintoastraw.

thesecondstep,iputadhesivetapewithanotherstrawstrawwiththefirstlinkingtheroot,sothatitcantapintothecup.

thethirdstepistolookfortheexperimentalsituationwillbe,iputtheinkbackintothewaterdyedblue.

thefourthstep,iputthebottleintoalargeplateandthenbendingstraw,insertcupwater.

onlyfourmorethanthepre-preparationstep,thenextstepintheexperimentalsituationtoappear.first,icarefullypouredwithhotwaterbottleintheplasticwall,didnotstartonemovement,soicontinueto上浇waterbottlewhilewatchingtheglassmovement,andprettysoon,actuallybeginsfromthestrawinthebubble!nextonthebottle,drinkthe.ihavebeenpartoftherefrigeratoriceoutoftheicewater,poured瓶壁togo,seemstostartonefailed.icontinuetobepatienttorepeattheactionjustasheeyesastraw.hardworkpaysoff,ah,dropsfromastrawinatrueblueink,thebottle,drinkagain!myexperimentasuccess!

includedinthisexperimentisascientificreason热胀冷缩hasthecharacteristicsofobjects.whenthehotirrigatedtotheoutsidewallofplasticbottles,thebottlethermalexpansionoftheair,wenttotheglass,whichincreasesstress,putacupofwaterpressuretogetoutbubblesonastraw;andwhentheicewateroutsidethewallofwaterintothebottle,thebottletheairwascooling,thepressureinsidethesmall,waterwillrunintothebottle.

ialsoknowalotaboutlife热胀冷缩thesituation,reallyfunny,lovethestudentsusetheirbrains,letusexploretogether!