光的特性
Authored by CHONG Moe
Science
4th - 5th Grade
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.图一显示小明进行的一项实验。根据上述的实验，哪项是最好的结论？
A. 光会反射
B.光会折射
C.光有影子
D.光只能沿着直线传播
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下图显示一项实验。下面哪项是会出现在屏幕上的影子?
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
观察下图，选出“光沿着直线传播”所形成的现象。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
根据上述实验的观察结果，影响影子大小的因素是
物体和光源的距离。
光源和荧幕的距离
物体的面积
荧幕的面积
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物体在J 位置所形成的影子较
较大
较小
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物体在K位置所形成的影子较
较大
较小
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
物体在J位置所形成的影子较小，因为
物体在J位置与光源的距离较远
物体在J位置与光源的距离较近
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