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四年级科学考卷

Authored by vinoricca tan

Science

1st - 2nd Grade

Used 2+ times

四年级科学考卷
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100 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

以下哪项有关“光”的说明是正确的?

光沿着直线传播

光会转弯

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

什么是透明体?

能让电流通过的物体

能让光线透过的物体

能导热的物体

3.

MULTIPLE SELECT QUESTION

30 sec • 5 pts

以下哪个组合是正确的? (答案可超过一个)

不透明体-书本

半透明体- 电视机

透明体- 玻璃杯

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

以下哪个是半透明体?

Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

图中显示丽丽站在一面毛玻璃前观察外面的景物。根据以上的情况,以下哪项推断是正确的?

毛玻璃是不透明体

毛玻璃是半透明体

毛玻璃是透明体

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

当光线照射在不透明体时,所形成的影子是。。。

清晰的

模糊的

非常模糊的

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

为什么粗糙的表面无法照出任何影像?

表面改变光的颜色

光线穿透表面

表面反射的光不规律

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