
四年级科学(5.1 光沿直线传播)
Authored by Lai Lee Hui
Science
4th Grade
Used 60+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图片是其中一项光的特性的现象。
以下哪项是这个现象的特性。
光的反射
光的折射
光沿直线传播
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪项不是有关光沿直线传播的现象?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图中显示四项实验,P、Q、R和S。
P、Q、R和S的实验中,哪项证明了光沿直线传播?
P
Q
P和R
Q和S
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图中显示手影游戏。
怎么才能使手影变大?
改变手和烛光的距离
屏幕必须是不透明体
换体积更大的蜡烛
改变手摆放的方式
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图画显示一个有关光线是否能够透过三种物质P、Q和R的实验。
如果把P、Q和R三种物质重叠(bertindih / overlapping) 时,你会看到什么?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
光被物体阻挡会......
形成影子
会反射
会折射
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
…...会影响影子的大小
物体与光源照射的方向
物体与光源的距离
物体与光源的大小
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