以下哪项是光源?

二年级 科学 光源

Quiz
•
Science
•
2nd Grade
•
Medium
SRS TEACHER
Used 115+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
玻璃
镜子
蜡烛
水
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项不是光源?
太阳
月亮
灯泡
手电筒
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么我们能从月亮看到光?
月亮会发光
月亮反射太阳的光
月亮在燃烧
月亮上有电源
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
白天在户外时,我们最主要的光源是什么?
电灯
火柴
煤油灯
太阳
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪些物体会发光?(答案可超过一个。)
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
我们在什么情况下比较容易进行活动?(答案课超过一个。)
白天
夜晚
夜晚但是有光源
停电
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪项是光对人类的重要性?(答案课超过一个。)
看清周围的事物
避免危险
方便学习和工作
可用来制造食物
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