最新科学三年级上册1.我看到了什么-PPT-演示文稿-(2)课件PPT.ppt 19页

'科学三年级上册1.我看到了什么-PPT-演示文稿-(2) 第一单元1.我看到了什么教科版三年级科学上册吴栋才制作 1、照片上的大树P2从图上看大树，我们看到了什么？ 我们看，我们听，我们摸，我们闻，……我们用全身心去体验，我们用全身心去观察，……我们看到了一棵真正的大树，我们看到了一个生机勃勃的生命，我们看到了一个无比美妙的世界！观察的基本方法：（看）、（听）、（摸）、（问）、（量）、（闻）等怎样才能观察到更多的容？ 来到一棵真正的大树下，你观察到了什么？树的器官一般包括：根、茎、叶、花、果实和种子分。 观察可以让我们获得很多的信息，观察会使我们发现，大树原来是一个生机勃勃的生命世界。 不同的树有什么相同和不同？树的相同之处：它们都长在泥土里，都需要阳光、水分、空气。都有木质的树干，一般是多年生的。树的不同之处：树冠有大小，树干有粗细，有的树皮光滑，有的粗糙，叶片不一样，结的果实不一样，。 作业1、观察一棵树的顺序是：_______，______。2、观察的基本方法:__、___、___、___、___、___、等3、树的整体形态一般由：___、____、___组成。4、树的器官包括：____、____、_____、____、_____、_____六个部分。 书面表达(共1小题，20分)根据题目所提出的具体要求，在答题卡上写出一篇连贯完整的短文。词数不少于60.假如你是李华，请参考下面提供的信息，给你的澳大利亚好友Jack写一封邮件，介绍你近期参加学习国画社团活动的情况，并谈谈自己的收获和感受。邮件的题目和开头已为你写好。不计入总词数。Activities:1.attendlecturesonChinesepainting2.visitsomepaintingexhibitions3.practicepainting…DearJack,How"severythinggoing?I"mexcitedtotellyouthatI"vejoinedaChinesepaintingclubinourschoolthisterm._____________________________________________________________________________________________________________Bestregards,LiHua DearJack,How"severythinggoing?I"mexcitedlywritingtotellyouthatI"vejoinedaChinesepaintingclubinourschoolthisterm.Membersofourclubmeetonceaweek.WehaddifferentactivitiesandIenjoyedallofthem.ThefirststepwasattendinglecturesonChinesepainting.We"veinvitedsomewell-knownpainterstotheclubtotalkaboutthehistoryofChinesepainting,andtoteachusthebasictechniquesofdrawing.Attheweekend,wewenttovisitsomepaintingexhibitionswherewestudiedthemasterpiecesoffamousartistsanddiscussedhowweunderstandthem.Ofcourse,wepracticedpaintinginoursparetime.IhadagoodtimeintheclubandI"msoproudofmyselfthatnowIunderstandChinesepaintingalotbetter,andI"velearnedhowtodraw.IloveChinesepainting.Bestregards,LiHua DearJack,How"severythinggoing?I"mexcitedlywritingtotellyouthatI"vejoinedaChinesepaintingclubinourschoolthisterm.Itakedpartinallkindsofactivities.IattendedlecturesonChinesepainting.Ilearntsomeknowledgeaboutitandlearntsomepaintingskills.AndthenIvisitedsomepaintingexhibitions.IappreciatemanyfamousChinesepaintingandknewalotofpartners.Inmysparetime,Ialsopracticepainting.I"mveryhappytoenjoytheseactivities.Ireallyhaveagoodtime.ImakeinthesameclubandlearntsomeskillsaboutChinesepainting.Bestregards,LiHuaDendi12 DearJack,How"severythinggoing?I"mexcitedlywritingtotellyouthatI"vejoinedaChinesepaintingclubinourschoolthisterm.Therearevariousactivitiesinmyschool.IattendlecturesonChinesepainting.ItisthefirsttimeIgotmanyknowledgesaboutpainting.I"mveryexcited.ThenIvisitedsomepaintingexhibitions.therewerealotofworksofthefamousartists".Thoseareverygreatworks.Ireaalylovethem.Intheend,Ipractisedpaintingseriously.IlikepaintwhenIwasveryyoung.Althoughitwasdifficult,Iwillpracticeitmore.Finally,IthinkI"mverylucktotakepartinChinesepaintingclubbecauseIlearnedlotsofknowledgethatIdon"tknowanditimprovedmypainting.Ithinkitismeaningful.Doyoujoinaclubinyourschool?I"mlookingforwardtoyourletter.苏佳雯15 DearJack,How"severythinggoing?I"mexcitedlywritingtotellyouthatI"vejoinedaChinesepaintingclubinourschoolthisterm.AfterIjoinedtheclub,wehadmanyactivities.First，weintivedafamousartisttogivelecturesonChinesepainting.Thelectureswaswonderful.Then,wevisitedsomepaintingexhibitions.AndIapppreciatedsomepaintingsdrawnbyfamousartists.Thepaintingamazedme.andIlikeitverymuch.Inmyfreetime,Ipracticedpainting.Ienjoyedtheprocessofpaintingverymuch.Intheseactivities,Ienjoyedmyself.AndIgotknowledgeaboutit.Ithinktheclubverynice.许成尧15 DearJack,How"severythinggoing?I"mexcitedlywritingtotellyouthatI"vejoinedaChinesepaintingclubinourschoolthisterm.Itookpartinvariousactivities.Firstofall,IattendedlecturesonChinesepainting.Thepeakerwasafamousartistinvitedbyoursociety.HisspeechwasexcellentandIadmiredhim.Ilearntalotfromhisspeech.Inaddition,Ialsovisitedsomeexhibitionofpaintingduringtheweekend.Allthepaintingsintheexhibitionarebyfamousartists.ThepaintingswereperfectandcolorfulandIwasshocked.ThenIpracticepaintingbymyselfandthroughlectureandexhibitionIdidagoodjob.IfellinlovewithtraditionalChinesepainting.IhopetodiscusswithyouwhenIhavetime,Ibelieveyouwillbeinterested.萧雨霏17 DearJack,How"severythinggoing?I"mexcitedlywritingtotellyouthatI"vejoinedaChinesepaintingclubinourschoolthisterm.Wetookpartinactivities.Ilikethisactivities.IattendlecturesonChinesepainting.IlearnedalotabouttraditionalChinesepainting.Ivisitsomepaintingexhibitionsinmysparetime.TherearemanyfamousChinesepaintingsonshow.Ipracticepaintingathome.Ihaveagoodtime.Mypaintinghadbeenimproved.彭旭12 DearJack,How"severythinggoing?I"mexcitedlywritingtotellyouthatI"vejoinedaChinesepaintingclubinourschoolthisterm.Intheclub,Itakepartinvariousactivities.Ireallyenjoyit.WeoftenattendlecturesonChinesepainting.IgetalotofknowledgeofChinesepaintingwhenlisteningtotheprofessor"slectures.Itbuiltupmyconfidence.Attheweekends,wevisitsomepaintingexhibitionoffamousartist.Ireallyappreciatetheamazingpaintings.Imakemebroadenhorizons.Ioftenpracticepaintinginmysparetime.Itreallyimprovemypaintingskill.SinceIattendedthisclub,Ihavebeenenjoyingmyselfalot.ThisactivitiesnotonlyenablemetomakemanyfriendsbutalsoenablemetoknowmoreaboutChinesetraditionalculture.刘梦瑶17'