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二年级 科学第六课:光和暗

Authored by Joey Cheng

Science

2nd Grade

Used 14+ times

二年级 科学第六课:光和暗
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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光源是?

会闪闪发亮的物体

会发光的物体

会亮亮的物体

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

以下哪个是光源?(答案可超过一个)

Media Image
Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

请问以下哪个物体可以形成清晰的影子?(答案可超过一个)

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Media Image
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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

请问哪个是半透明体?

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Media Image
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5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

请问以下哪个说明是正确的?

所有的物体都有清晰的影子。

电脑是光源。

物体阻挡光源时,会形成影子。

影子的形状和物体受光的表面形状是不一样的。

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

透明体能让光透过,所以会形成......

清晰的影子

非常模糊的影子或者没有影子

模糊的影子

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

怎样的情况下会形成模糊的影子?

当光不能透过物体时

当一部分的光透过物体时

当大部分的光透过物体时

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