哪项是光源?
二年级科学 - 光和暗

Quiz
•
Science
•
2nd Grade
•
Medium
YeeLing Lee
Used 115+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
月球
路灯
镜子
钻石
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
为什么光对人类很重要?
帮助呼吸
帮助取暖
制作食物
照亮周围
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
当光分别照向书本和玻璃杯,会形成怎样的影子?
书本 = 清晰 , 玻璃杯 = 非常模糊
书本 = 模糊 , 玻璃杯 = 非常模糊
书本 = 模糊 , 玻璃杯 = 清晰
书本 = 清晰 , 玻璃杯 = 清晰
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
上图中光源的名称是?
木棒
屏幕
手电筒
阳光
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下图所呈现的影子哪个是正确的?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
光源和影子的位置是______的。
相同
相反
不变
相同又相反
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
什么是光源?
不会发光的物体
会自己发热的物体
会自己动的物体
会自己发光的物体
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