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科学4年级光

Authored by LEE Moe

Science

1st Grade

Used 23+ times

科学4年级光
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18 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

光是如何传播的?

沿着曲线

沿着直线

通过不停反射

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

当光照射在平滑的表面,所反射的光线会是怎样的状态?

有规律

没有规律

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

当光照射在粗糙的表面,光线所反射的状态叫什么?

镜面反射

漫反射

4.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

以下哪项是光沿着直线传播的例子?

(选3个)

灯塔

镜子

手电筒

舞台灯光

5.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

以下哪项是光会反射的例子?

(选3个)

湖面

汽车后视镜

激光尺

潜望镜

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

以下哪项不是透明物体?

保鲜膜

透明塑料盒

墨镜

玻璃瓶

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

以下哪项不是半透明物体?

描图纸

毛玻璃

彩绘玻璃

透明贴纸

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