八年级美术下册第二单元2《设计纹样》教案1新人教版.doc

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1、1设计纹样教案教学目标:知识与能力:了解写生与纹样设计的关系,学习纹样设计的基本方法,完成一幅纹样设计的作品,并应用于生活。过程与方法:积极参与课堂讨论,开展互动式的探究学习与实践。情感态度价值观:初步形成纹样设计意识,有运用所学知识美化生活的愿望。教学重难点:重点:纹样设计的基本方法。难点:学生能够运用基本方法完成纹样设计。课堂类型:设计应用。教学环节与设计:一、引导阶段。提问:说说我们身边的纹样设计。发言:校园的宣传栏中、铅笔包上、服装上等。引导学生关注纹样与生活的关系,并导入新课。二、发展阶段。我们在进行纹样设计时,手中要有素材。自然界中的动物、植物、人物、风景等,就为我们的纹样设计提供

2、了广泛的题材和创作灵感。欣赏图片。二、深入阶段。1、纹样设计的基本方法。(1) 、概括。就是删繁就简,省略掉琐碎的形象、次要的部分,保留其必不可少的部分,但不能失去原有形象的主要特征。总结线条、绘影和综合概括的方法。提问:比较两张图片,你认为这张纹样用了什么表现方法?学生分析,并给出答案:夸张。(2) 、夸张。找出物象的外形特征,并说出如何去夸张。如鹈鹕鸟的大嘴巴,狐狸狡猾的眼神。2除了夸张外形之外,我们还会去夸张什么?总结夸张的三种方法,并进一步强调:夸张不是对物象简单的放大,而是对物象外形、神态、习性等进行适度的夸张、强调突出,就是让圆的更圆,肥的更肥,狡猾的更狡猾。提问:说说下列纹样设计

3、的巧妙之处。欣赏并指出。纹样整体上看像一朵花,巧妙的是这个形象是由蝴蝶组成的。(3) 、想象。就是讲不同形象和造型要素巧妙地结合在一起,使其结合紧密,相互依存,并产生新形象的心理过程。展示图例:同类型相结合,异类形象结合。出示一组作品,让学生进行辨别。欣赏判断、回答:概括、夸张、想象。(4) 、纹样设计有哪些基本方法?2、实践阶段。作业要求:设计一枚单独纹样或连续纹样。建议:(1) 、为班级的墙报、板报设计一组纹样。(2) 、为你的房间设计装饰挂盘。(3) 、为文化衫设计纹样。设计步骤:(1) 、观察分析物象特征,寻找最美最典型的角度进行写生。(2) 、运用概括、夸张、想象的方法进行纹样设计。(3) 、调整设计稿,进行上色。评价阶段:展示学生作业,引导学生进行自我评价与互评。

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