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1、《水温的变化》科学探究课ThechangeinwatertemperatureisascientificinquiryLetthestudentsactuallygothroughastudyThewatertemperaturechangesinthelesson,studentsjustlearnthethermometerafterusingmethodofascientificinquiryclass,throughthiscourse,thepurposeistoletstudentsfurtherfamiliarwiththeuseof
2、thethermometer,andbasedonthis,letthemexploretheruleofhotwatertemperaturechangeundernaturalconditions,namely:thetemperatureofthehotwaterfallingovertime;Theprocessofcoolingwaterisfastandslow・Atthesametime,thestudentslearnbasicscientificinquirymethodsinthisprocessandstimulatethei
3、rinterestinscience・Itshouldbesaidthatthisexperimentisdifficultforprimaryschoolstudentswhohavejuststudiedscienee.Therefore,inordertoobtaintheoptimizedteachingeffect,Iamtryingtodotwothingsinteaching,oneistoinstructthestudentstoconductrigorousexperiments・Thesecondistoguidestudent
4、stoanalyzetheexperimentalresultsscientifically.Allthingsarepreset,andbecauseofthepreparationworkbeforehand,themoreidealteachingeffectisachieved,andthepresentpracticeissummarizedasfollows・First,organizethestudentstocarryoutrigorousexperimentoperation.Experimentaloperationisanef
5、fectivevehicleforscientificlearning,anditisaneffectivewayforstudentstoconductexperimentalactivitiesstrictly.Doyourhomework:fullpreparationisthebasicpremiseofclassroomteaching,especiallyexploration.(1)materialpreparation.Experimentbeforeclass,asusual,r11needalltheequipment:abea
6、ker,hobandthethermometerisready,putintheexperimentonthetable,putthebeakeronthehobonthestage,tohangthethermometeronthehobanddebugginggoodlocation,experimentwithfootathermosofhotwatertiminginstrumentusingmymobilephone・(1)knowledgepreparation.Atthebeginningofclass,Ifirsttoguideth
7、estudentstomeetthehob,andguidethemtoreviewtheuseofthethermometer,andspecialemphasisonreading,todothelineofsightandthescaleofthethermometer・(2)organizationalpreparation・Inordertoensuretheeffectivecooperativelearninggroupactivities,Ihavetwoclassmateseachexperimentgroupinthetherm
8、ometerreadingsobserver,responsiblefortimelyandaccuratereading
