2019-2020年新人教版小学美术四年级上册《色彩的冷与暖》说课稿.doc

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2019-2020年新人教版小学美术四年级上册色彩的冷与暖说课稿色彩的冷与暖是六年制小学美术四年级上册第一课。本课的教学目的是:了解色彩冷暖的含义及冷暖对比是一种强烈的色彩对比;培养学生学习色彩的兴趣。重点、难点是:了解色彩冷暖含义及冷暖对比、补色对比。为了达到教学目的突破重点、难点,采用了幻灯片、CAI课件及实物投影仪等多种电教手段辅助教学。因此,我是这样设计课堂的。一、导入新课根据本课的特点,我制作了CAI课件,进行导课,让学生从感性上认识色彩的冷暖:播放配音动画:首先出现灰色暗花背景,接着出现美丽鲜艳的彩虹课题。其中,“冷”字用蓝色,“暖”字用红色,随着音乐的节奏字体开始发光,背景与字体;字体与字体都形成了强烈又和谐的冷暖对比。这时,同学们显得非常兴奋。享受了色彩给他们带来的喜悦和美感后,我问:“同学们,看这个配音动画,你们感受到了什么?”学生情绪激昂,纷纷举手有的说,灰色背景与鲜艳的课题形成高纯度与底纯度对比;有的说“冷”字的蓝色与“暖”字的红色形成强烈的冷暖对比。在讨论中,学生复习了上节内容并主动的投入到新课的学习中来。二.教学思路及教程设计1. 对色彩色性的感知。为了让学生感知色彩的色性,首先播放了幻灯片:一桌丰盛的美味佳肴展示给同学们。这时给这些丰盛的饭菜打上红光。同学们看后,惊奇地说,“大肉变的鲜红而菠菜却变成了黑色;”这时,又换成黄光,葡萄酒变成蓖麻油,菠菜象是发霉的样子,最后又蓝光,同学们纷纷的说:“大肉已经腐烂了,菠菜真新鲜。”学生一下进入了情节。这时我停止播放说:“你们想知道为什么吗?同学们想象的翅膀展开了。2. 基本概念的讲述:由于色彩基本概念较为枯燥并难以理解,我采用了实物投影仪及CAI课件等电教手段。以最直观、最形象的方法让学生在感性认识的基础上理解色彩冷暖的含义。用CAI课件展示色相环,同学们看到屏幕上各种不同色彩的小圆点围成一个圆环,兴趣很高,这时提问,“请说出各种小圆点的色彩名称。”“大红”、“柠檬黄”、“草绿”等。当同学们回答正确时,画面中出现卡通小人笑着说:“你真聪明”、或“你真了不起”;同学们答错时,小人又说,“再仔细想想,动脑筋哟”之类的话。极大地增强了同学们的自信心,调动了学生学习色彩知识的积极性。学生轻松自如地理解色相环及在色相环中冷色系列及暖色系列的知识。为了突破本课的教学难点:色彩冷暖的含义和补色、补色对比。我采取了列举实例、CAI课件、实物投影仪等多种电教手段。在讲述色彩冷暖的含义时,举出了赛马间的例子:将赛马间一半刷成桔红色,一半刷成蓝色,在蓝色部分休息的赛马很快就平静下来了,在桔红色部分的赛马在很长时间仍是焦躁不安。听完后,同学们情绪高涨之时,我趁机展示晚间的咖啡馆这幅作品,屏幕上的作品深深吸引住了学生。期待着我讲述这幅作品。我抓住时机讲述本幅作品的艺术特色及冷暖色在本幅作品中的应用。激发了同学们想利用色彩冷暖作画的情趣。我又举出了画家凡高的向日葵这幅作品,使学生掌握了知识点,并教导学生学习凡高勤奋作画、奋斗不息的精神,在课堂上渗透德育教育。在突破补色和补色对比这一难点时,我首先利用实物投影仪在课堂上做了视觉残像实验,实验中,同学们亲身体会到了什么是补色,学生感到非常新奇和兴奋,抓住这一时机又利用CAI课件做了一组补色对比练习,同学们便轻松愉快地掌握了本课的这一难点。通过以上的学习在很大的程度上降低了色彩理论知识理解的难度,减少了技法训练中的周期反复,也使学生变被动学习为主动学习,使老师变枯燥的讲解为形象的演示,既领略了画面的美,又掌握了色彩的知识与技能。3、技法示范为了让学生对本课作画材料,用具及基本技法有初步的了解,我在实物搞影仪的平台上做画,播放到屏幕上,在老师的示范中使学生体会基本技法,激发了学生的创作激情。三、结束本课利用CAI课件展示本课板书内容,并布置了色彩的冷暖推移作业,讲述作业要求,强调重点、难点,结束全课。四、板书根据本课的重、难点,采用图文并茂的结构式板书,利用红和绿两种冷暖对比色,提现本课的训练重点。附送:2019-2020年新人教版小学英语五年级上册第二单元测试题一、听音,将你听到的单词或句子的序号填到括号中。(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、听音,排序。(10分) ( ) ( ) ( ) ( ) ( )三、听音,判断,对的打T,错的打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. 笔试部分(70分)四、请找出不同类的一项(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、单选(15分)( ) 1. 你想问“你星期四有什么课?”你应该怎么问?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.别人问你“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 isnt. 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 dont C. Yes, I am( ) 13. Is your mother kind ? _.A.Yes, she is. B. Yes, he is. C. No, he isnt. ( ) 14 .Whos that young man? -_is our PE teacher . A. He B. she C. She( ) 15. 你想问“你星期五做什么?”你应该怎么问?A. What do you do on Fridays?B. What day is it today? C. What do you have on Fridayss?六、从B栏中找出A栏的正确答语。(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. Its Tuesday.( )5 . Whats Tom like? E. No, we dont.七、根据单词的首字母及汉语提示补全单词。(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、英汉互译。(10分) 1.I do housework on Sundays. 2.I play puter games on Monday evening. _ 3.Its 9:00. Its time to read books. 4.你们星期四上什么课? 5.你星5期三晚上做什么? 九、按要求改写句子。(10分)1.What do you do on Saturdays? (翻译句子)_ 2. We have Chinese on Mondays.(对划线部分提问) do you on Mondays?3. I often do my homework on Saturdays. (对划线部分提问) do you on Saturdays?4. I often on Sundays. (看电视)(根据汉语提示填空)5. I often on Sundays.(读书)(根据汉语提示填空)十、读短文,判断正误。( 用T表示正确,F表示错误)(10分) My name is Tom. I like Wednesdays. Because we have English on Wednesdays. I dont like Thursdays. Because I dont 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)同学们,大家已经学了关于你的一周的英语知识,请你在你的小作文中,以“My weekend”为题向大家介绍你的周末是如何度过的,试试身手吧。提示词:often, wash clothes, play football, read books
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