高中英语必修三Unit 4教学课件-【希沃白板培训结营大作业】

BookIIIUnit4Astronomy：thescienceofthestarsDoyouknowthecorrectorderoftheirdistancetothesun?

nearesttothesun?

farthesttothesun?Thenamesofeightplanets.MercuryVenusEarthMarsJupiterSaturnUranusNeptune1)水星2)金星3)地球4)火星5)木星6)土星7)天王星8)海王星PlutoScientistsnowthinkPlutoistoosmalltobecalledaplanet.Inthisunit,we’lllearnsomethingmorescientific.1.What’sthetitleofthetext?2.Fromthetitle,wecanpredictthatthetextmaytellustheoriginoflifeontheearth.Doyouknowsomestoriesaboutit?Howlifebeganontheearth

InChina:____________separates(分)thesky

fromtheearth.Pangu盘古skyearth_____________madehumanbeings.Nuwa(女娲)Inwesterncountries:

Godcreatedtheworldinsevendays.Para.1

Para.2Para.3Para.4Para.5

AtheoryabouthowtheuniversewasformedTheformation(形成）oftheearthTheimportanceofwater

forlifeThedevelopmentofplantsandanimalsThearrivalofhumans

andtheireffectsontheearthPart1:ThedevelopmentoftheearthPart2:Thedevelopmentoflife.FastreadingReadthepassageonP25quickly,andmatchtherightmainideaofeachparagraph.Howmanypartscanthetextbedividedinto?DetailedReadingPart1(1~3):ThedevelopmentoftheearthPart1(para1~3)

Thedevelopmentoftheearth1.AftertheBigBang,whathappened?2.Whathappenedtothesolidglobenext?3.Whatdidthewatervapourandgasesform?4.Whatappearedaftertheearthcooleddown?5.Whatdidthewaterdo?1.AftertheBigBang,whathappened?

acloudofdust

asolidballSettledintoexplodedwithfireandrock

producedwatervapourandgases2.Whathappenedtothesolidglobe

next?Intime3.Whatdidthewatervapourandgasesform?theearth’satmosphereWaterappearedonitssurfacewhichisimportantforthebeginningoflifeontheearth.4.Whatappearedaftertheearthcooleddown?5.Whatdidthewaterdo?Itallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.acloudof_____BigBangasolid_______slowlycombinetheearth______downitexplodedloudlywith_____and_____watertheearth’s___________dustball/globefirerockatmospherecooledHowdidtheearthcomeintobeing(产生）?Part2(4~5)Thedevelopmentoflife1.Whatlifedevelopedafterwaterappeared?2.Whatlifedevelopedafterforestsappeared?3.Whatlifedevelopedafterdinosaurs?4.Whatlifedevelopedaftermammals?Part2(para4~5)Thedevelopmentoflifearrivalofsmallplantsinwater1.Whatlifedevelopedafterwaterappeared?earlyshellfishandallsortsoffishPart2(para4~5)Thedevelopmentoflife

reptilesonland

dinosaursonland2.Whatlifedevelopedafterforestsappeared?

Howdoreptilesproduceyoung?

bylayingeggsmammalsonland3.Whatlifedevelopedafterdinosaurs?

Howdomammalsproduceyoung?

bygivingbirthtobabyanimalsandproducingmilktofeedthem.

smallcleveranimals4.Whatlifedevelopedaftermammals?

1.Whoarethesmallcleveranimalswithhandsandfeet?

2.Aretheytakingcareoftheearthwell?Why?

?

Becausetheyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.Theearthmaybecometoohottoliveon.

Howtosolvethisproblem?Tosolvethisproblem,peopleshouldprotecttheearthcarefully.Theymuststopputtingtoomuchcarbondioxideintotheair,reducepollution,controlthepopulationandsoon.Acloudofdust

→

asolidball

→

presenceofwater

→

onthewater

→

shellfish&otherfish

→

plantsbegintogrowondryland

→

insectsandamphibiansappear

→

retilesappear

→

dinosaursappear

→

mammalsappearThedevelopmentoflifesmallplantsgrowonthewater

appearshellfish&otherfishplantsbegintogrowondrylandinsectsandamphibiansappearreptilesappeardinosaursappearmammalsappearA3演示文稿设计与制作

【能力描述】

根据教育学需要设计与制作演示文稿，从而

1.灵活组织、应用多种媒体素材，提升教学内容的解释力

2.采用可视化方式清晰地展示知识结构和逻辑关系，促进学生认知发展

3.有序推进课堂教学环节的展开

4.丰富师生互动的方式

在教育学中，演示文稿一般可以用作辅助说明课堂教学流程、呈现关键知识信息、整合呈现多种媒体素材等。演示文稿制作过程中，要根据教学需要和学生特点，呈现关键信息，避免添加与教学主题不相关的冗余信息，干扰学生习注意力；要注重知识要点的整合提炼，注意