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1、河北省石家庄市第一中学高中英语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.EnabletheSstotalkaboutgivinginstruct
2、ions.c..EnabletheSstoplaydifferentrolesinaconversation.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
3、难点分析a.TeachtheSshowtohowtotalkaboutgivinginstructionsb.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Learnhowtotalkabo
4、utgivinginstructions石家庄市第一中学教案教学环节分析讲解学生活动设计StepIRevisionAsksomeoftheSstoreadhis/herpassageaboutgravity.Onepossiblepassage:SirIsaacNewton:TheUniversalLawofGravitationThereisapopularstorythatNewtonwassittingunderanappletree,anapplefellonhishead,andhesuddenlythoughtoftheUniver
5、salLawofGravitation.Asinallsuchlegends,thisisalmostcertainlynottrueinitsdetails,butthestorycontainselementsofwhatactuallyhappened.WhatReallyHappenedwiththeApple?ProbablythemorecorrectversionofthestoryisthatNewton,uponobservinganapplefallfromatree,begantothinkalongthefollowin
6、glines:Theappleisaccelerated,sinceitsvelocitychangesfromzeroasitishangingonthetreeandmovestowardtheground.Thus,byNewton's2ndLawtheremustbeaforcethatactsontheappletocausethisacceleration.Let'scallthisforce"gravity",andtheassociatedaccelerationthe"acclerationduetogravity".Then
7、imaginetheappletreeistwiceashigh.Again,weexpecttheappletobeacceleratedtowardtheground,sothissuggeststhatthisforcethatwecallgravityreachestothetopofthetallestappletree.SirIsaac'sMostExcellentIdeaNowcameNewton'strulybrilliantinsight:iftheforceofgravityreachestothetopofthehighe
8、sttree,mightitnotreachevenfurther;inparticular,mightitnotreachallthewaytoth
