四年级科学: 光的特性 (光是沿着直线传播)

Quiz
•
Science
•
4th Grade
•
Hard
LAI Moe
Used 59+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
哪项有关光的传播说明是正确的?
光会穿透任何物体
光只会沿着直线传播
光的传播不会形成影子
光的传播没有距离限制
2.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
以下哪两个现象与光沿着直线传播有关?
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
什么是透明体?
有弹性物体
能让电流通过的物体
能让光线透过的物体
能传热的物体
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
以下的物体都能让全部光线透过,除了
玻璃窗
保鲜膜
描图纸
透明塑料盒
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
上图显示雯雯站在一面毛玻璃前观察外面的景物。根据以上的情况,以下哪项推断是正确的?
毛玻璃肮脏了
毛玻璃是不透明体
毛玻璃是半透明体
毛玻璃是透明体
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
图中显示一个物体被光源照射。
哪项是该物体的影子?
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
图中显示P物体的影子。
根据影子,推测P物体的形状。
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