2019-2020年新人教版小學(xué)美術(shù)四年級(jí)上冊(cè)《色彩的冷與暖》說課稿.doc
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2019-2020年新人教版小學(xué)美術(shù)四年級(jí)上冊(cè)《色彩的冷與暖》說課稿 《色彩的冷與暖》是六年制小學(xué)《美術(shù)》四年級(jí)上冊(cè)第一課。本課的教學(xué)目的是:了解色彩冷暖的含義及冷暖對(duì)比是一種強(qiáng)烈的色彩對(duì)比;培養(yǎng)學(xué)生學(xué)習(xí)色彩的興趣。重點(diǎn)、難點(diǎn)是:了解色彩冷暖含義及冷暖對(duì)比、補(bǔ)色對(duì)比。為了達(dá)到教學(xué)目的突破重點(diǎn)、難點(diǎn),采用了幻燈片、CAI課件及實(shí)物投影儀等多種電教手段輔助教學(xué)。因此,我是這樣設(shè)計(jì)課堂的。 一、導(dǎo)入新課 根據(jù)本課的特點(diǎn),我制作了CAI課件,進(jìn)行導(dǎo)課,讓學(xué)生從感性上認(rèn)識(shí)色彩的冷暖:播放配音動(dòng)畫:首先出現(xiàn)灰色暗花背景,接著出現(xiàn)美麗鮮艷的彩虹課題。其中,“冷”字用藍(lán)色,“暖”字用紅色,隨著音樂的節(jié)奏字體開始發(fā)光,背景與字體;字體與字體都形成了強(qiáng)烈又和諧的冷暖對(duì)比。這時(shí),同學(xué)們顯得非常興奮。享受了色彩給他們帶來的喜悅和美感后,我問:“同學(xué)們,看這個(gè)配音動(dòng)畫,你們感受到了什么?”學(xué)生情緒激昂,紛紛舉手有的說,灰色背景與鮮艷的課題形成高純度與底純度對(duì)比;有的說“冷”字的藍(lán)色與“暖”字的紅色形成強(qiáng)烈的冷暖對(duì)比。在討論中,學(xué)生復(fù)習(xí)了上節(jié)內(nèi)容并主動(dòng)的投入到新課的學(xué)習(xí)中來。 二.教學(xué)思路及教程設(shè)計(jì) 1. 對(duì)色彩色性的感知。 為了讓學(xué)生感知色彩的色性,首先播放了幻燈片:一桌豐盛的美味佳肴展示給同學(xué)們。這時(shí)給這些豐盛的飯菜打上紅光。同學(xué)們看后,驚奇地說,“大肉變的鮮紅而菠菜卻變成了黑色;”這時(shí),又換成黃光,葡萄酒變成蓖麻油,菠菜象是發(fā)霉的樣子,最后又藍(lán)光,同學(xué)們紛紛的說:“大肉已經(jīng)腐爛了,菠菜真新鮮。”學(xué)生一下進(jìn)入了情節(jié)。這時(shí)我停止播放說:“你們想知道為什么嗎?同學(xué)們想象的翅膀展開了。 2. 基本概念的講述: 由于色彩基本概念較為枯燥并難以理解,我采用了實(shí)物投影儀及 CAI課件等電教手段。以最直觀、最形象的方法讓學(xué)生在感性認(rèn)識(shí)的基礎(chǔ)上理解色彩冷暖的含義。 用CAI課件展示色相環(huán),同學(xué)們看到屏幕上各種不同色彩的小圓點(diǎn)圍成一個(gè)圓環(huán),興趣很高,這時(shí)提問,“請(qǐng)說出各種小圓點(diǎn)的色彩名稱?!薄按蠹t”、“檸檬黃”、“草綠”等。當(dāng)同學(xué)們回答正確時(shí),畫面中出現(xiàn)卡通小人笑著說:“你真聰明”、或“你真了不起”;同學(xué)們答錯(cuò)時(shí),小人又說,“再仔細(xì)想想,動(dòng)腦筋喲”之類的話。極大地增強(qiáng)了同學(xué)們的自信心,調(diào)動(dòng)了學(xué)生學(xué)習(xí)色彩知識(shí)的積極性。學(xué)生輕松自如地理解色相環(huán)及在色相環(huán)中冷色系列及暖色系列的知識(shí)。為了突破本課的教學(xué)難點(diǎn):色彩冷暖的含義和補(bǔ)色、補(bǔ)色對(duì)比。我采取了列舉實(shí)例、CAI課件、實(shí)物投影儀等多種電教手段。在講述色彩冷暖的含義時(shí),舉出了賽馬間的例子:將賽馬間一半刷成桔紅色,一半刷成藍(lán)色,在藍(lán)色部分休息的賽馬很快就平靜下來了,在桔紅色部分的賽馬在很長(zhǎng)時(shí)間仍是焦躁不安。聽完后,同學(xué)們情緒高漲之時(shí),我趁機(jī)展示《晚間的咖啡館》這幅作品,屏幕上的作品深深吸引住了學(xué)生。期待著我講述這幅作品。我抓住時(shí)機(jī)講述本幅作品的藝術(shù)特色及冷暖色在本幅作品中的應(yīng)用。激發(fā)了同學(xué)們想利用色彩冷暖作畫的情趣。我又舉出了畫家凡高的《向日葵》這幅作品,使學(xué)生掌握了知識(shí)點(diǎn),并教導(dǎo)學(xué)生學(xué)習(xí)凡高勤奮作畫、奮斗不息的精神,在課堂上滲透德育教育。在突破補(bǔ)色和補(bǔ)色對(duì)比這一難點(diǎn)時(shí),我首先利用實(shí)物投影儀在課堂上做了視覺殘像實(shí)驗(yàn),實(shí)驗(yàn)中,同學(xué)們親身體會(huì)到了什么是補(bǔ)色,學(xué)生感到非常新奇和興奮,抓住這一時(shí)機(jī)又利用CAI課件做了一組補(bǔ)色對(duì)比練習(xí),同學(xué)們便輕松愉快地掌握了本課的這一難點(diǎn)。通過以上的學(xué)習(xí)在很大的程度上降低了色彩理論知識(shí)理解的難度,減少了技法訓(xùn)練中的周期反復(fù),也使學(xué)生變被動(dòng)學(xué)習(xí)為主動(dòng)學(xué)習(xí),使老師變枯燥的講解為形象的演示,既領(lǐng)略了畫面的美,又掌握了色彩的知識(shí)與技能。 3、技法示范 為了讓學(xué)生對(duì)本課作畫材料,用具及基本技法有初步的了解,我在實(shí)物搞影儀的平臺(tái)上做畫,播放到屏幕上,在老師的示范中使學(xué)生體會(huì)基本技法,激發(fā)了學(xué)生的創(chuàng)作激情。 三、結(jié)束本課 利用CAI課件展示本課板書內(nèi)容,并布置了色彩的冷暖推移作業(yè),講述作業(yè)要求,強(qiáng)調(diào)重點(diǎn)、難點(diǎn),結(jié)束全課。 四、板書 根據(jù)本課的重、難點(diǎn),采用圖文并茂的結(jié)構(gòu)式板書,利用紅和綠兩種冷暖對(duì)比色,提現(xiàn)本課的訓(xùn)練重點(diǎn)。 附送: 2019-2020年新人教版小學(xué)英語五年級(jí)上冊(cè)第二單元測(cè)試題 一、聽音,將你聽到的單詞或句子的序號(hào)填到括號(hào)中。(10分) ( ) 1. A. Sunday B.strict C. Saturday ( ) 2. A. Thursday B. Friday C. Wednesday ( ) 3. A. weekend B. wash C. watch ( ) 4. A. Tuesday B. Thursday C. Friday ( ) 5. A. What do you have on Tuesdays? B. What do you do on Thursday ? C. Do you often play football here? ( )6. A. PE B. art C. puter ( )7. A. homework B. TV C. clothes ( )8. A. read B. watch C. wash ( )9. A. beef B.meet C. read ( )10. A. I often play ping-pong. B. I often watch TV. C. I often read books. 二、聽音,排序。(10分) ( ) ( ) ( ) ( ) ( ) 三、聽音,判斷,對(duì)的打T,錯(cuò)的打F。(10分) ( ) 1. Tom likes Sundays. ( ) 2. On Sundays Tom often plays football. ( ) 3. On Saturdays Tom often read books and watches TV. ( ) 4. Tom and Mike are good friends. ( ) 5. Mike often plays ping-pong. 筆試部分(70分) 四、請(qǐng)找出不同類的一項(xiàng)(5分) ( )1.A.Monday B. today C.Sunday ( ) 2.A.draw B. tall C. short ( ) 3.A.art B.English C.homework ( ) 4.A.football B.play C.watch ( )5. A.PE B.Chinese C. class 五、單選(15分) ( ) 1. 你想問“你星期四有什么課?”你應(yīng)該怎么問? A. What do you do on Thursdays? B. What day is it today? C. What do you have on Thursdays? ( ) 2. Today ____Friday. A.is B. are C. am ( ) 3.We _____ have English, math and P.E. A.have B. has C. had ( ) 4. What do you do ______ Sundays? A. on B. in C. from ( ) 5.別人問你“What do you have on Wednesdays ?” A. I like Wednesdays B. I often read books and watch TV on Wednesdays. C. I have English ,math, and music on Wednesdays. ( ) 6. Is he strict? _____ . A. No, he is funny. B. Yes, he isn’t. C. No, he is. ( ) 7. The first day of a week is _______. A. Sunday B. Saturday C. Friday ( ) 8. I often _____ ping-pong. A. play B. have C. do ( ) 9.Do you often read books on the weekend? No, ___I often sleep. A. but B. and C. so ( ) 10. Look ___ my picture. A. for B. at C. / ( ) 11. I often ______ TV on Saturdays. A. read B. watch C. see ( ) 12. Do you often play sports on the weekend? A. Yes, I do B.No,I don’t C. Yes, I am ( ) 13. Is your mother kind ? ____________. A.Yes, she is. B. Yes, he is. C. No, he isn’t. ( ) 14 .Who’s that young man? -__________is our PE teacher . A. He B. she C. She ( ) 15. 你想問“你星期五做什么?”你應(yīng)該怎么問? A. What do you do on Fridays? B. What day is it today? C. What do you have on Fridayss? 六、從B欄中找出A欄的正確答語。(10分) A B ( )1.What do you have on Mondays? A. He is shy. ( )2.What day is it today? B. Great! Ilove music. ( )3.Do you have PE on Sundays? C.I have English and art on Mondays. ( )4.I have music. D. It’s Tuesday. ( )5 . What’s Tom like? E. No, we don’t. 七、根據(jù)單詞的首字母及漢語提示補(bǔ)全單詞。(5分) 1.My sister often w_________ TV on the weekend. 2.What does Tom have on M_______? 3.What do you do on the W___________(周末)?. 4.He often helps her mom w______clothes. 5.Do you have English on T________(星期四)? 八、英漢互譯。(10分) 1.I do housework on Sundays. 2.I play puter games on Monday evening. ___ 3.It’s 9:00. It’s time to read books. 4.你們星期四上什么課? 5.你星5期三晚上做什么? 九、按要求改寫句子。(10分) 1.What do you do on Saturdays? (翻譯句子) _____________________________________ 2. We have Chinese on Mondays.(對(duì)劃線部分提問) do you on Mondays? 3. I often do my homework on Saturdays. (對(duì)劃線部分提問) do you on Saturdays? 4. I often on Sundays. (看電視)(根據(jù)漢語提示填空) 5. I often on Sundays.(讀書)(根據(jù)漢語提示填空) 十、讀短文,判斷正誤。( 用T表示正確,F(xiàn)表示錯(cuò)誤)(10分) My name is Tom. I like Wednesdays. Because we have English on Wednesdays. I don’t like Thursdays. Because I don’t like P.E. I always draw pictures on Mondays. I can watch TV on Fridays. I often read books, play puter games and do homework on Saturdays. On Sunday I often play chess with my father. ( )1.I like Wednesdays. ( ) 2.We have Chinese and art on Wednesdays. ( ) 3.I always play ping-pong on Mondays. ( ) 4.I often read books, play puter games and do homework on Saturdays. ( ) 5.We have P.E. on Thursdays. 十一、作文( 5分) 同學(xué)們,大家已經(jīng)學(xué)了關(guān)于你的一周的英語知識(shí),請(qǐng)你在你的小作文中,以“My weekend”為題向大家介紹你的周末是如何度過的,試試身手吧。 提示詞:often, wash clothes, play football, read books- 1.請(qǐng)仔細(xì)閱讀文檔,確保文檔完整性,對(duì)于不預(yù)覽、不比對(duì)內(nèi)容而直接下載帶來的問題本站不予受理。
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