四年级科学(光的特征)

Quiz
•
Science
•
4th Grade
•
Medium
SEE Moe
Used 335+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小明不能通过一根弯曲的管子看到桌子上的烛光。结论是()。
烛光越来越暗淡
光沿着直线传播
管子不够长
管子不透明
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
森林里,光透过叶子间的缝隙直直地照在地上。
以上的现象显示了哪个光的特性?
光会被反射
光传播得很快
光沿着直线传播
光能透过透明物体
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小丽隔着毛玻璃窗无法更清楚地看到外面的景物。
以下哪项推断是正确的?
毛玻璃肮脏了。
毛玻璃是半透明物体。
毛玻璃的表面很平滑。
毛玻璃是不透明物体。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项有关光的传播说明是正确的?
光会透过任何物体
光会沿着直线传播
光的传播不会形成影子
光会使物体变小
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
上图显示一项实验装置。当手电筒打开时,乒乓球在哪个位置形成的影子最大?
P
Q
R
S
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一种游戏。这种游戏涉及哪项光的特性?
光的传播速度
光沿着直线传播
光的反射
光的折射
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项有关透明体的说明是正确的?
离光源越近,越不能被光穿透
不会形成影子
形成漆黑的影子
形成暗淡的影子
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