一年级美术下册第9课《有趣的拓印》课件1湘美版.ppt

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有趣的拓印,一年级,美术,同学们,你们看过变魔术吗?喜欢看吗?,看,我手中有张纸,两面都是空白的,现在老师要把这片树叶变到纸上去,告诉我,你想要什么颜色的?,大家想知道怎样变吗?,没错.老师是用印把它印出来的。大家现在可以动一动手了。,优秀作品,蝴蝶,老鼠,孔雀,?同学们为什么有的拓印成功,纹理清晰,有的却没有出现纹理。我们先请一个拓印好的同学出来示范一下。失败的同学再找找原因。,树叶为什么要反面朝上才能拓印出纹理呢?大家摸一摸树叶的两面,有什么感觉?,大家真聪明,树叶反面有许多纹理,是凹凸不平的,所以我们在拓印时只有拓印反面才能印出漂亮的纹理,而正面没有凹凸不平的纹理,就拓印不出花纹了,其实在我们的生活中还许多物品有美丽的纹理,都可以拓印出来。,创作表现,找几种可以拓印出花纹的物体,用油画棒或彩色铅笔把花纹拓印下来。,

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