
4年级 光的特性 复习
Authored by Tan KaiLin
Science
4th - 6th Grade
Used 1+ times

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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项有关“光”的说明是正确的?
光沿着直线传播
光会转弯
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当光线照射在不透明体时,所形成的影子是。。。
清晰的
模糊的
非常模糊的
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么我们能够看到四周的物体?
物体的反光能力很强。
物体能够吸收大部分的光。
物体的表面一般上是光滑的。
物体把光反射到我们的眼睛里。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中显示一个物体被光源照射。
哪项是该物体的影子?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一项实验。 如果其中一张卡被移动去一边,
P不能看见蜡烛的光。 这项实验的结论是什么?
光可以反射
光可以分散
光可以折射
光沿着直线传播
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根据上图,哪项句子解释学生的影子如何形成?
光被学生吸收了
光被学生阻挡了
光被折射
光可以透过学生
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个塑胶球被放在手电筒的前面。
哪项句子说明这项实验的观察?
R - 光沿着直线传播 S- 光被反射
T - 光可以透过物体 U- 光被不透明的物体阻挡
R & S
R & T
R & U
T & U
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