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四年级科学(5.1 光沿直线传播)

Authored by Lai Lee Hui

Science

4th Grade

Used 60+ times

四年级科学(5.1 光沿直线传播)
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

图片是其中一项光的特性的现象。

以下哪项是这个现象的特性。

光的反射

光的折射

光沿直线传播

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

以下哪项不是有关光沿直线传播的现象?

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

图中显示四项实验,P、Q、R和S。

P、Q、R和S的实验中,哪项证明了光沿直线传播?

P

Q

P和R

Q和S

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

图中显示手影游戏。

怎么才能使手影变大?

改变手和烛光的距离

屏幕必须是不透明体

换体积更大的蜡烛

改变手摆放的方式

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

图画显示一个有关光线是否能够透过三种物质P、Q和R的实验。

如果把P、Q和R三种物质重叠(bertindih / overlapping) 时,你会看到什么?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

光被物体阻挡会......

形成影子

会反射

会折射

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

…...会影响影子的大小

物体与光源照射的方向

物体与光源的距离

物体与光源的大小

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