影子的形成
Quiz
•
Science
•
2nd Grade
•
Medium
NGAN Moe
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
光从哪一个方向照过来?
A
B
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
为什么图中会有两个影子?
因为有两个小男孩
因为路灯很亮
因为光从两个不同的方向照向小男孩
因为路灯坏了
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
所有的物体都形成清晰的影子吗?
对,所有的物体都会形成清晰的影子
不对,所有的物体都不会形成清晰的影子
不对,有的物体会形成清晰的影子,有的物体会形成模糊的影子,还有一些物体会形成非常模糊的影子或没有影子。
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
为什么纸板会形成清晰的影子?
因为纸板能让光透过
因为纸板能让一部分的光透过
因为纸板是透明的
因为纸板不能让光透过
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
描图纸会形成_____的影子,因为描图纸______________。
模糊;只能让一部分的光透过
模糊;不能让光透过
清晰;不能让光透过
清晰;能让光透过
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
透明胶片会形成什么样的影子?为什么?
透明胶片会形成模糊的影子,因为不能让光透过。
透明胶片会形成非常清晰的影子或者没有影子,因为能让光透过。
透明胶片会形成清晰的影子,因为不能让光透过。
透明胶片会形成模糊的影子,因为能让光透过。
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
以下哪一样物体会形成非常模糊的影子或没有影子?
镜子
书本
毛玻璃
透明玻璃
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