五年级 科学 单元六 光沿着直线传播
Quiz
•
Science
•
1st - 6th Grade
•
Medium
TAN YUN LING
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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
哪项是光的特性?
光沿着直线传播
影子的大小
光源与物体的距离
光会形成影子
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
当光被物体阻挡会…
反射
形成影子
折射
变成不透明体
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
哪项会影响影子的大小?
物体与光源照射的方向
物体与荧幕的距离
物体与光源的大小
手电筒的亮度
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
哪项会影响影子的形状(选两个)
物体的摆放方式
物体的大小
物体与光源的距离
光源照射的方向
物体的形状
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
那项是透明体的正确说明?
当光线照射时会把所有的光线都阻挡了,形成影子。
当光线照射时会把部分的光线透过,形成模糊的影子。
当光线照射时会把所有的光线透过,不会形成影子
当光线照射时会出现发射现象,使我们能够看得见物体。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
上图显示永文进行了一项实验。
根据这项实验结果,他发现有一个因素导致所观察影子形状不一样。
以下的哪项因素影响影子的形状?
物体的摆放方式
光源与荧幕的距离
光源照射的方向
物体的形状
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
当卉彤用物体G阻挡光线时,不会出现影子。
请问以下那些物品很可能是物体G?
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