四年级科学 光的反射

Quiz
•
Science
•
4th Grade
•
Medium
SEE Moe
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示Q物体反射光线的情况。
根据上图,下面哪种有可能是Q物体?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪些物体应用光反射的原理来操作?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是光的反射?
光沿着直线传播的现象
光遇到障碍物时形成影子的现象
光照射在物体的表面时消失的现象
光照射在物体的表面时改变传播方向的现象
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
P和Q分别是什么表面?
P :砂纸 Q :玻璃窗
P :铁片 Q :镜子
P :镜子 Q :柏油路
P :沙地 Q :木板
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面哪种物体是具有良好的反射光的能力?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面哪项有关光的说明是正确的?
光是沿着曲线传播的
光穿过透明体时,会形成影子
当光照射在物体表面时会被反射
光的折射会使水里的笔看起来变长了
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