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三年级科学—密度

Authored by Ashley Shee

Science

3rd Grade

Used 470+ times

三年级科学—密度
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8 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

如何可以使沉在水底的小番茄浮起来?

改变水的密度

用其他容器装水

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

什么物质可以改变水的密度?

墨汁

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

密度大于水的物体是____的,密度小于水的物体则是____的。

沉,浮

浮,沉

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

把水、油和洗衣液倒入玻璃杯里,哪项观察结果是正确的?

Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

哪组的物品放进水里了会沉入水里?

螺钉,积木,木筷子

塑料尺,塑料瓶,蜡烛

竹签,积木,橡皮筋

橡皮筋,蜡烛,螺钉

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

请问橡胶球会沉在水里还是浮在水里?

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

请问木块和铁块哪个会浮在水面上?

铁块

木块

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