吕文丹——shadows

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1、教学基本信息学科双语科学执教吕文丹年级二年级团队研修主题Observe&Detect课题Shadow(II)教学背景分析Content:Inlesson3,studentscontinuetheirexplorationofshadowstofindouthowashadow’ssizeisaffectedbyanobject’sdistancefromalightsource.Finally,studentsfurtherexploreandconsolidatetheirlearningbystagingash

2、adow-puppetshow.Students’situation:Studentsshouldnowhavesomebasicideasabouttherelationshipbetweenasourceoflightandashadow.Theactivitiesinthislessonencouragestructuredexploration,withopportunitiesforstudentstotalkaboutlightandshadowsamongstthemselves.Usingmetho

3、ds:groupdiscussion,experimentalmethodPreparationforthislesson:atorch(preparebystudents)学习目标1.Predictthechangestothesizeandshapeofshadowswhenalightisbemoved.2.Understandhowshadowpuppetwork.学习重难点Understandthechangesofthesizeandshapeofshadows学习过程1.ReviewSingtheSo

4、ng2.StimulusactivityPlayagame.“Canyoumakeshadowanimalswithyourhands?”“Canyouguesswhatitis?”Use“Guesswhatisit?”“It’sa……”3.TeachkeywordsMoveShadow4.Activity1Workingroups.Doanexperiment.Weneedatorch,anobject(pencilcaseorasmallbear),apieceofcardorwa

5、ll.Darkentheroom.Movethetorchnearorfarfromtheobjectsandobservethesizeoftheshadowoftheobjects.Makearecord.Cantheshadowbecomebigger/smaller?Drawdownwhatyourfindings.Observethelightofthelaserpointer.Andfindouthowdoeslighttravel.1.Let’sPractice(activitybookP13)Whi

6、choneiscorrect?2.NowIknow……Icanmakeashadowbig.Icanmaketheshadowsmall.3.Let’spractice(homeworkfortoday)Cutdownsomeshapes.Makeshadowsandtellastory.板书设计Whatisit?It’sa_________.作业设计1.Readthetext.2.Makeastorybyusinghandshadows.