2022年人教版美术六下第1课《明暗与立体》word教案 .pdf

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1、名师精编优秀教案课时教学设计本学期第 1 4 课时课题1 明暗与立体主备人侯书倩本单元第 1 4 课时课型新授授课时间3.10 复备人侯书倩教学目标1、知识：通过观察、分析、比较，使学生初步掌握物体的明暗发现方法。2、技能：学生能初步运用明暗表现方法去观察、分析、描绘物体的立体感觉。3、情感：培养学生对客观世界存在的自然现象的研究兴趣。重点难点教学重点：引导学生观察、分析和比较物体在光照射下的明暗变化的原理和规律。教学难点：初步运用物体的明暗画法规律，表现出物体的立体感。教具1、球体、立方体石膏模型数个2、射灯 3、静物台4、投影仪5、范画两幅6、铅画纸一张（4k）、铅笔、美工刀。教学过程复备

2、（一）导入（设计意图：给学生营造一个学习氛围，增强学生的学习兴趣，导入新课。）师：同学们，我们看教室两边墙上，这些是美术兴趣小组同学们的素描作品，你们能看这些作品有什么特点？师：对，这些作品都是用明暗造型方法表现的石膏体。那么今天我们就跟大家来共同学习新的一课“明与暗”。（出示课题）（二）新授：（设计意图：提高学生的观察能力，激发学生的好奇心、有助于学生理解物体明暗的产生。）师：我们首先来研究研究明暗怎样产生的。（写生灯）你们来看，这是一张白纸，我们把它放在灯光下，你来观察一下，在它的表面上有没有明暗变化？谁能想办法让这张纸产生明暗变化？（学生上台演示）你是把它卷了一下，来观察一下在光的照射下

3、发生了什么变化？师总结：有了从明到暗的渐渐过渡的变化。师：下面来看这位同学把纸折了一下，我们把它放到灯光下，有了什么变化？注重吸引学生的注意力名师精编优秀教案师总结：对，明和暗有了一条明显的分界线，对比非常强烈。师：还有一位同学把纸揉皱了，看看它在灯光下又会发生怎样的变化？师总结：纸上出现了丰富的明暗变化。师：通过刚才的观察，你能总结出明暗时怎样产生的吗？师总结：对了，有体积的物体在光线的照射下，会呈现出一定的明暗变化。（三）观察体会（设计意图：通过对实物的观察理解，加强学生对物体明暗认识与体验，并为下一步进行实践创作做准备。）1、同学们这里有一个石膏球体，我们来观察，当光线照射的它时，我们会

4、发现什么？（出示石膏球让学生思考、议论后回答）总结：光照后，球体表面出现了明、暗半球。你们再仔细看看，球体的亮部有没有明暗变化？暗部呢？总结：球体的明暗变化比较复杂，而且是逐渐转变的，可概括为：亮面（即直接受光面），灰面（即侧面受光面），暗面（即没有受光的面），明暗交界线（区分明暗两部的界限），反光（侧面环境光影响），投影（物体挡住光源产生）。（课件演示）2、刚才我们分析了球体的明暗变化规律，其实任何物体在光的照射下都会产生这些明暗变化，我们来找找看。（出示石膏几何体让学生观察）（四）主动参与（设计意图：演示绘画方法，给学生直观印象。）下面老师就用铅笔画素描的形式表现圆柱明暗关系。1、第一步是

5、整体观察分析，要确立光源方位，找出明暗交界线所在的位置。2、观察好了就可以起稿了，用直线画出圆柱的结构轮廓；接着画出明暗交界线、投影；3、然后就可以铺大色调了，铺出暗面、投影的基调；（注意：用直线排成块面，顺着球的弧面画；投影注意近实远虚。）文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S

6、4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10

7、 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9

8、X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U

9、6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z

10、7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L

11、7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:

12、CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7名师精编优秀教案教学过程复备4、最后进行细致刻画：从明暗交接线入手，先画出背光面基本调子；背光面近暗远灰，但不能比受光面的灰调亮；再从明暗交界线向亮调子由深到浅过度；亮调子用较硬铅笔画。三、学生作业，教师辅导（设计意图：给学生营造一个学习氛围，增强学生的学习兴趣，导入新课。）作业设计：1、学生选择立方体或圆柱体画出明暗素描，教师进行巡回指导2、注意把握以下问题：A、灰调过少或高光位置不对；B、明暗交界线不准；C、投影不准；D、排线问题；E、反光太亮。四、欣赏讲评（设计意图：给学生一个师生交流、生生交流的平台。）教师把学生

13、完成的作品摆放到前面，全体学生欣赏讨论，然后说出自己的观点。五、课堂小结：这节课我们学习了物体明暗变化的基本规律，知道了怎样运用明暗变化表现石膏几何体的立体感，希望同学们能将这些知识运用到绘画中，观察生活中各种不同物体的明暗，并用画笔把他们描绘出来。根据学生的作业情况进行点播文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7

14、Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7

15、文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:C

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17、E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10

18、HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X

19、10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6

20、 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7名师精编优秀教案六、拓展：观察其他几何体在光照射下其结构特点及明暗变化，并进行写生。板书设计明暗与立体明暗表现方法去观察、分析、描绘物体的立体感觉。文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码

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24、9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5

25、U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1

26、Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2

27、L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7名师精编优秀教案明暗与立体教学反思本节课是通过对课本知识点的学习，本课属于造型表现领域。通过本课教学使学生懂得写实素描石膏几何体写生的意义。了解物体在光的照射下，会产生深浅不同的明暗关系。把这种关系画出来，就能表现具有立体感的物体。学生在课上都能认真观察，仔细写生，因为初次接触素描绘画，所以有的学生还不太能绘制线条，但是大部分学生对型掌握得还算可以。文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6

28、C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档

29、编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1

30、A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9

31、O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM

32、9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10

33、I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7文档编码:CJ1A7S4E9O10 HM9M9X10I5U6 ZN1Z7Q6C2L7