二年级美术下册第9课《我们的影子》课件3岭南版.ppt

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10 我们的影子,影子是怎样产生的?,有光就会有影子,因为物体挡住了光线就会在后面投射出影子,影子的深浅、虚实会随光的强弱变化,强光下的影子颜色较深、弱光下的影子较浅;距光源近的影子清晰,距光源远的影子模糊。中午太阳照在头顶上,我们的影子很短,早晚阳光从侧面照向我们,我们的影子拉得很长,很长,小贴士:,由于影子只有外形、内部没有花纹、图案,所以我们在画影子的时候要特别注意通过影子的外轮廓线表现细致部位,这样画出来的影子才会更加生动、耐看。,

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