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1、2019-2020年高中英语unit4Astronomyspeaking教案新人教版必修3教材章节Unit4课题Astronomy课型Speaking教学目标知识与能力知识内容preparation,instruction,unexpected,asetof,payattentionto,aswellas等级水平(A)识记(B)理解(C)应用(D)分析(E)综合(F)评价能力目标a.EnabletheSstomakealistofthingsthattheyneed.b.EnabletheSstotalkaboutgivinginstructions.c..Enablethe
2、Sstoplaydifferentrolesinaconversation.过程与方法a.Pairsworkandgroupworkb.Discussionandcooperativelearning情感态度与价值观a.LearnhowtomakealistofthingsthattheyneedbHelptheSslearnhowtotalkaboutgivinginstructionsc.EnabletheSslearnhowtoplaydifferentrolesinaconversation教学设计重点难点分析a.TeachtheSshowtohowtotalkabo
3、utgivinginstructionsb.HelptheSstolearnhowtoplaydifferentrolesinaconversation.教学技术设备1Acomputer2Aprojector教学环节学习目标1、学习的主要知识speaking2、需要掌握的方法Discussionandcooperativelearning课题概述1、本节知识的主要意义Knowmoreaboutastronomy2、本节知识在知识体系中的地位和联系Learnhowtotalkaboutgivinginstructions石家庄市第一中学教案教学环节分析讲解学生活动设计StepI
4、RevisionAsksomeoftheSstoreadhis/herpassageaboutgravity.Onepossiblepassage:SirIsaacNewton:TheUniversalLawofGravitationThereisapopularstorythatNewtonwassittingunderanappletree,anapplefellonhishead,andhesuddenlythoughtoftheUniversalLawofGravitation.Asinallsuchlegends,thisisalmostcertainlynottr
5、ueinitsdetails,butthestorycontainselementsofwhatactuallyhappened.WhatReallyHappenedwiththeApple?ProbablythemorecorrectversionofthestoryisthatNewton,uponobservinganapplefallfromatree,begantothinkalongthefollowinglines:Theappleisaccelerated,sinceitsvelocitychangesfromzeroasitishangingonthetre
6、eandmovestowardtheground.Thus,byNewton's2ndLawtheremustbeaforcethatactsontheappletocausethisacceleration.Let'scallthisforce"gravity",andtheassociatedaccelerationthe"acclerationduetogravity".Thenimaginetheappletreeistwiceashigh.Again,weexpecttheappletobeacceleratedtowardtheground,sothissugge
7、ststhatthisforcethatwecallgravityreachestothetopofthetallestappletree.SirIsaac'sMostExcellentIdeaNowcameNewton'strulybrilliantinsight:iftheforceofgravityreachestothetopofthehighesttree,mightitnotreachevenfurther;inparticular,mightitnotreachallthewaytothe
