![物理光的傳播教學反思[此文共2909字]](https://img.hxli.com/upload/2282.jpg)
[前言]物理光的傳播教學反思為的會員投稿推薦,但願對你的學習工作帶來幫助。
《光的傳播》這節課的教學內容比較簡單,重點是讓學生在探究活動中獲得觀察能力、分析能力、總結歸納能力的培養。下麵是小編為大家收集的物理光的傳播教學反思,望大家喜歡。
光(guang)的(de)傳(chuan)播(bo)是(shi)光(guang)現(xian)象(xiang)的(de)第(di)一(yi)節(jie)課(ke),學(xue)生(sheng)對(dui)光(guang)已(yi)有(you)比(bi)較(jiao)感(gan)性(xing)的(de)認(ren)識(shi),這(zhe)節(jie)課(ke)要(yao)讓(rang)學(xue)生(sheng)理(li)解(jie)光(guang)傳(chuan)播(bo)的(de)路(lu)徑(jing),也(ye)就(jiu)是(shi)光(guang)沿(yan)直(zhi)線(xian)傳(chuan)播(bo)的(de),以(yi)及(ji)其(qi)相(xiang)關(guan)應(ying)用(yong)的(de)例(li)子(zi)。這(zhe)節(jie)課(ke)我(wo)從(cong)聽(ting)到(dao)聲(sheng)音(yin)的(de)三(san)個(ge)條(tiao)件(jian),即(ji)聲(sheng)源(yuan)、介質傳播、人(ren)耳(er),從(cong)而(er)引(yin)出(chu)看(kan)到(dao)光(guang),必(bi)須(xu)先(xian)要(yao)有(you)光(guang)源(yuan),光(guang)線(xian)傳(chuan)播(bo)到(dao)眼(yan)睛(jing),進(jin)而(er)舉(ju)出(chu)一(yi)些(xie)光(guang)源(yuan)的(de)物(wu)體(ti),並(bing)強(qiang)調(tiao)是(shi)自(zi)身(shen)會(hui)發(fa)光(guang),而(er)人(ren)的(de)眼(yan)睛(jing)就(jiu)不(bu)是(shi)光(guang)源(yuan)了(le),讓(rang)學(xue)生(sheng)理(li)解(jie)了(le)光(guang)源(yuan)的(de)概(gai)念(nian)並(bing)學(xue)會(hui)舉(ju)例(li)後(hou),接(jie)著(zhe)講(jiang)光(guang)的(de)直(zhi)線(xian)傳(chuan)播(bo),對(dui)光(guang)在(zai)空(kong)氣(qi)中(zhong)、水中、gutizhongfenbiezuoleyanshishiyan,bingjuchuguanyuliyongguangyanzhixianchuanbodelizi。zhengjiekejibensuanshishunchang,youxieshiyanxiaoguofeichangmingxian,liruyongguodongyanshiguangzaigutizhongdechuanbo,gaiqiangtiaodedifangyezuozhongdianqiangtiao,ruguangdechuanbobuxuyaojiezhi,zhengjiekemeiyoucunzaidadewenti。kezuchangwulaoshihekezuluolaoshitinglewodekehou,geiwotileyixiejianyi。
一、部分實驗效果不好。
ruyanshiguangzaikongqizhongchuanboshi,rangguangxiancongheisedebanbiaomiantongguo,shishishangnenghenqingchudikandaoguangzaikongqizhongyanzhixianchuanbo,danshixueshengwurenweiguangzaibanshangyanzhixianchuanbo,suiranshixianxianxiangmingxian,danshixueshengchanshenglewujie。suoyixuyaogaiweipenwuhuoyanlaizuoshiyan。yanshiguangzaishuizhongdechuanbolujingshi,shiyanxianxiangbugoumingxian,xueshengmeibanfawanquankandao。zhelianggeshiyandouxuyaogaijin。
二、需注意細節方麵。
當dang舉ju出chu月yue亮liang不bu是shi光guang源yuan的de時shi候hou,學xue生sheng都dou會hui說shuo出chu是shi月yue亮liang是shi反fan射she太tai陽yang光guang的de,不bu是shi自zi己ji發fa光guang的de,而er我wo沒mei有you再zai進jin行xing詳xiang細xi講jiang解jie一yi次ci,因yin此ci程cheng度du較jiao低di的de學xue生sheng可ke能neng還hai沒mei辦ban法fa理li解jie,對dui於yu有you些xie問wen題ti,不bu能neng認ren為wei學xue生sheng會hui回hui答da那na就jiu是shi懂dong了le,其qi實shi還hai有you很hen多duo學xue生sheng似si懂dong非fei懂dong,要yao再zai講jiang解jie一yi次ci。
zuobijiyaoxiangxi,duiyuguangyanzhixianchuanbodelizi,jiangwanhoumeiyouzaiheibanshangbanshuchulai,yincizaixiaojiedeshihou,xueshenghaishihennanhuidachulai,yincibijiyidingyaoxiangxi,jishiyouxiexueshengmeibanfawanquanlijie,yenengjizhuyixie。
banshushi,yinweiheibandifangbugou,eryouyaoliuyixiedifanghuatu,zixiedebugouda,kenengyouxiexueshengmeibanfakandao,jiaoshiliguangxiantaian,woyewangjilekaideng,zhexiesuiranshihenxiaodexijie,danshihuizaochengxueshengtingkedezhengliqingkuangheketangdexuexixiaolv,zheyeshiyaozhuyidedifang。
zaihuaguangxianshi,yinweiyishizhaobudaochizi,jiutushouhua,zheshijiaoxueshangdeyigeshiwu,geixueshengqilebuhaodeshifanzuoyong,guangxianbixuyongchizilaihua,rangxueshengyouzhegeyishi,haiyaoduojiaqiangtiao。
三、加強引導學生的能力
課堂引導學生回答問題的時候,不能提出太難的問題,一些問題注意分步提
出(chu),降(jiang)低(di)難(nan)度(du)。這(zhe)節(jie)課(ke)在(zai)提(ti)出(chu)人(ren)在(zai)太(tai)陽(yang)下(xia),從(cong)上(shang)午(wu)到(dao)下(xia)午(wu)影(ying)子(zi)怎(zen)樣(yang)變(bian)化(hua)時(shi),學(xue)生(sheng)一(yi)時(shi)回(hui)答(da)不(bu)上(shang)來(lai),如(ru)果(guo)換(huan)成(cheng)先(xian)問(wen)上(shang)午(wu)到(dao)中(zhong)午(wu),太(tai)陽(yang)逐(zhu)漸(jian)升(sheng)高(gao),影(ying)子(zi)怎(zen)樣(yang)變(bian)化(hua),學(xue)生(sheng)憑(ping)生(sheng)活(huo)常(chang)識(shi),應(ying)該(gai)可(ke)以(yi)回(hui)答(da)出(chu)來(lai)。一(yi)些(xie)較(jiao)難(nan)的(de)題(ti)目(mu),要(yao)分(fen)步(bu)提(ti)出(chu),逐(zhu)漸(jian)引(yin)導(dao),並(bing)且(qie)留(liu)給(gei)學(xue)生(sheng)足(zu)夠(gou)思(si)考(kao)的(de)時(shi)間(jian)。
genjulianggetingkelaoshigeiwotichudejianyiyijiyaozhuyidexijiewenti,wosikaolezaochengbenjiekeyixieshiwudeyuanyin,kaolvwentihaibugouzhoudao,hulveyixiaxijiedewenti,benlaiyaodaichizide,yinweiyishiwangji,ketangshangmeijishijiejue,yemeiqiangtiaoxueshengyaoyongchizihuaguangxian,suoyishangkeqianbixuzuohaochongfendezhunbei,yixiexijiededongxiyaofanfujianzha。lingyifangmian,huoxushixinjiaoshidetongbing,duiyijiekejihuadeneirong,xiangzaiyijiekejiuwanchengjiaoxuerenwu,youshibeikedeneironggenshangkeshihuiyouyixiechuru,birujiangduolemoufangmiandeneirong,kenengwanchengjiaoxuejihuashijianhuijinyixie,youpayixieneirongtuozhe,bianyougankedexianxiang,yinciduiyixiewentidejiangjiejiubugouxiangxi,zaochengxueshengduigaiwentichuyusidongfeidongdezhuangtai,xueshengbunengchongfenlijie,duigaizhishidianjiumeibanfawanquanzhangwo,congeryingxiangjiaoxuexiaoguo,zheyifangmianyeshixinjiaoshijingyanbuzuzaochengde,xuyaozhubujiaqiangketangdetiaokongnenglihesuijiyingbiannengli,jiangbuwandeneirongliuzhexiajiekezaijiang,guanjianzaiyuxueshengshifounengchedilijie,zheyifangmiandenengliwoxuyaozhujianjiaqiang。lingwai,wojiaodezijimuqianzuodehaibugoudeshiduixueshengdezhangkonghelejiedenengli,zaiketangshang,bixuduixueshengduigaijiekezhishidezhangwoqingkuangyougelejie,cainengzuodaoxinzhongyoushu,xueshengnagezhishidianhaibunengwanquanlijiede,xiajiekecainengzuobuchong,suoyiyaozuodaoxinzhongyoushu,yaoburanbulejiexueshengshifounengzhangwoketangsuojiangdeneirong,xinzhongmeidi,jiaoxuezhiliangjianghuijiangdi,yincizaiketanglianxideshihou,yaozaixijianzhaxueshengzuotideqingkuang,jishizhaloubuque。
《光的傳播》這節課的教學內容比較簡單,重點是讓學生在探究活動中獲得觀察能力、分析能力、總(zong)結(jie)歸(gui)納(na)能(neng)力(li)的(de)培(pei)養(yang)。根(gen)據(ju)這(zhe)一(yi)點(dian),我(wo)在(zai)設(she)計(ji)這(zhe)節(jie)課(ke)時(shi)讓(rang)學(xue)生(sheng)觀(guan)察(cha)老(lao)師(shi)演(yan)示(shi)實(shi)驗(yan)並(bing)親(qin)自(zi)動(dong)手(shou)做(zuo)實(shi)驗(yan),從(cong)實(shi)驗(yan)現(xian)象(xiang)中(zhong)得(de)出(chu)結(jie)論(lun)。因(yin)為(wei)我(wo)們(men)知(zhi)道(dao)“光在空氣中、水中以及玻璃等透明介質中沿直線傳播”的de實shi驗yan不bu僅jin操cao作zuo簡jian單dan,而er且qie現xian象xiang也ye很hen明ming顯xian,如ru果guo進jin行xing探tan究jiu實shi驗yan的de話hua,很hen多duo學xue生sheng都dou能neng清qing楚chu地di觀guan察cha到dao實shi驗yan現xian象xiang,很hen容rong易yi達da到dao探tan究jiu的de目mu的de。小xiao孔kong成cheng像xiang的de實shi驗yan可ke以yi事shi先xian布bu置zhi學xue生sheng做zuo好hao準zhun備bei,課ke堂tang上shang分fen組zu實shi驗yan,教jiao師shi在zai整zheng個ge實shi驗yan過guo程cheng中zhong,對dui學xue生sheng及ji時shi指zhi導dao,明ming確que的de指zhi出chu觀guan察cha什shen麼me。否fou則ze學xue生sheng不bu知zhi道dao自zi己ji應ying該gai怎zen麼me做zuo也ye不bu知zhi道dao應ying該gai觀guan察cha哪na裏li,然ran後hou由you學xue生sheng自zi己ji輔fu以yi作zuo圖tu分fen析xi小xiao孔kong成cheng像xiang的de原yuan理li、性質、特點,最後再引導學生討論光沿直線傳播在生活、生產中應用的其它實例,充分體現從生活走向物理、從物理走向社會的特點。
由這節課我也總結了一下在物理概念、規律的教學中應該注意的問題:要遵循學生的認知過程,運用實驗、有效的提問、引導和討論等策略,將學生帶入物理情景,啟發學生積極思考,激起學生的探知欲望,引導學生探索。同時輔以相關課件如:日食、月yue食shi的de形xing成cheng。最zui後hou指zhi導dao學xue生sheng對dui生sheng活huo中zhong的de有you關guan物wu理li現xian象xiang進jin行xing分fen類lei和he歸gui納na,總zong結jie出chu相xiang關guan聯lian的de物wu理li知zhi識shi,得de出chu物wu理li概gai念nian和he規gui律lv,實shi現xian從cong生sheng活huo走zou向xiang物wu理li的de認ren識shi過guo程cheng。
在以往的教學中總是首先介紹“自身能發光的物體叫做光源”然ran後hou再zai讓rang學xue生sheng結jie合he圖tu找zhao出chu各ge種zhong光guang源yuan,區qu分fen出chu不bu同tong的de類lei別bie,引yin出chu自zi然ran光guang源yuan和he人ren造zao光guang源yuan的de概gai念nian,整zheng節jie課ke為wei概gai念nian教jiao學xue而er教jiao學xue,學xue生sheng學xue得de紮zha紮zha實shi實shi,但dan卻que沒mei有you達da到dao培pei養yang學xue生sheng的de探tan究jiu興xing趣qu、思維能力的目的。
我在這節課教學時,注重了以下三點:
一是創設探究的情境,激發探究的欲望。ruzaikededaorubufen,jiaoshiweixueshengshouxianchuangsheleyigeheiandehuanjing,youyuweibeilechanggui,xueshengdehaoqixinyixiajiubeitiaodongleqilai,zhuyilijizhongdaoguangdeyanjiushanglai。
二是注重了學生的動手能力的培養。ruzairenshiguangyuanshi,jiaoshirangxueshengxiangbanfayongkeqianzhunbeihaodegezhongfaguangdewutibajiaoshizhaoliang,birudianlianglazhu,shoudiantong,huochaideng,rangxueshengzaidongshouhuodongzhongtihuidaoguangyuandezuoyong,yinfaxueshengduiguangdeyanjiuxingqu。youruzaiyanjiuguangdezhixianchuanboshi,rangxueshengqinzifanfushiyanbijiaoruherangshoudiantongdeguangtongguoyingzhibandekongzhaoshedaoqiangshang。
三是注重培養學生的思維能力。如在教學中開展頭腦風暴啟發學生尋找生活中的光源,這有利於激發學生的發散思維,極大的提高學生的學習積極性。
同時,我以培養學生的探究興趣和創新思維能力為重點,淡化了知識,讓學生在感知——尋找——辨析中認識光源。
zaikededaorubufen,woshouxianbajiaoshizhongdechuanglianlashang,bingguanbilesuoyoudeguangyuan,chuangsheleyigeheiandehuanjing,rangxueshengzaiheianzhongmosuozhejinrujiaoshi,youyuweibeilechanggui,xueshengdehaoqixinyixiajiubeitiaodongleqilai,zhuyilijizhongdao“光”的研究上來。這時自然引導學生想各種方法使教室亮起來,“拉開窗簾,讓太陽光進來”,“打開燈,讓燈光照亮教室”。學xue生sheng一yi下xia就jiu感gan知zhi到dao了le光guang源yuan。教jiao師shi再zai適shi時shi的de讓rang學xue生sheng想xiang辦ban法fa用yong課ke前qian準zhun備bei好hao的de各ge種zhong發fa光guang的de物wu體ti把ba教jiao室shi照zhao亮liang,比bi如ru點dian亮liang蠟la燭zhu,手shou電dian筒tong,火huo柴chai等deng,讓rang學xue生sheng在zai動dong手shou活huo動dong中zhong充chong分fen感gan知zhi到dao光guang源yuan的de作zuo用yong。
然ran後hou教jiao師shi運yun用yong頭tou腦nao風feng暴bao指zhi導dao學xue生sheng發fa散san思si維wei尋xun找zhao出chu生sheng活huo中zhong的de各ge種zhong光guang源yuan,這zhe樣yang做zuo第di一yi是shi對dui光guang源yuan概gai念nian的de掌zhang握wo進jin行xing反fan饋kui,第di二er對dui學xue生sheng能neng夠gou進jin行xing發fa散san思si維wei的de訓xun練lian。這zhe時shi學xue生sheng的de思si維wei一yi下xia子zi如ru開kai閘zha的de洪hong水shui湧yong了le出chu來lai,“火把、燈籠、電視、手機、電腦、螢火蟲、熒光燈、激光……”學生們爭先找到了幾十種的光源。
最後教師借助評價方式激勵學生不斷尋找、發現光源並排除非光源。月亮、鏡子等物體在學生的分辨中一下被排除,對光源已有清晰的認識。
回顧整節課教學設計,知識教學不再是教學的重點,但學生對生活中的光源卻清晰可見。
你也可以在搜索更多本站小編為你整理的其他物理光的傳播教學反思範文。
文檔為doc格式