1、河南省淮陽(yáng)縣實(shí)驗(yàn)高中教案河南省淮陽(yáng)縣實(shí)驗(yàn)高中教案主備教師：主備教師：雷欣雷欣二次備課教師：二次備課教師：編號(hào)：編號(hào)：19課題：Unit4Astronomy:thescienceofthestarsPeriod1WanrmingUpReading教學(xué)目標(biāo)：1.Developstudents’readingabilityletthemlearndifferentreadingskills.2.Enablestudentstoknowabou

2、tthedevelopmentoftheearth.教學(xué)難點(diǎn)：1.Enablestudentstounderstthepassageknowaboutthedevelopmentoftheearth.2.Letstudentslearnhowtousedifferentreadingskillsfdifferentreadingpurposes.教學(xué)方法:Skimmingdiscussionindividualwkgroupwk.教學(xué)過(guò)

3、程：【自研課導(dǎo)學(xué)】1.Letstudentslearntheusefulwdsexpressionsinthispart:astronomysystemreligiontheyatombillionglobeviolentatmosphere.2.Getstudentstolearnaboutthedevelopmentoftheearth.【展示課導(dǎo)學(xué)】Step1:LeadinginHaveafreetalkwithstudents.

4、1.Letstudentsdiscussthefollowingquestions:WhoareourancestsDoyouknowwhatitwaslikebefelifeappearedontheearthDoyouknowhowlifebeganontheearthDoyouwanttogetmeinfmation2.Tellstudents:Todaywewilllearnsomethingabouthowlifebegano

5、ntheearth.TurntoPage25.Let’scometoWarmingUpfirst.Step2:Warmingup二次備課二次備課C.Amphibians.D.Shellfishfish.3)WhichofthefollowingstatementstrueA.WaterstillexistsonMars.B.Theearth’satmosphereismadeupofoxygennitrogen.C.Theearthha

6、ddissolvedtheharmfulatmosphereintotheoceansseas.D.Plantsprovideoxygentotheearth.4)WhatisthepassagemainlyaboutA.Theappearancedevelopmentoflifeontheearth.B.Thebirthoftheearth.C.Whydinosaursdiedout.D.Thefactthathumanbegings

7、causedglobalwarming.Suggestedanswers:(1)A(2)D(3)D(4)A【板書設(shè)計(jì)】【板書設(shè)計(jì)】___________________________________________________________________________________________________________________________________________________________

8、_________________________________________________________【教學(xué)反思】【教學(xué)反思】_______________________________________________________________________________________________________________________________________________________