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三年级科学_密度(评估3)

Authored by Maggie Lo

Science

3rd Grade

Used 62+ times

三年级科学_密度(评估3)
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18 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

以下哪个材料的密度比水小?

冰块

橡皮泥

炼乳

硬币

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在泡制三色奶茶时,由于黑糖浆的密度比淡奶(大,小),所以倒入水里后会(浮,沉)。

大,浮

大,沉

小,浮

小,沉

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

竹筷的密度比水(大,小),所以放入水里后会(浮,沉)。

大,浮

大,沉

小,浮

小,沉

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

如何可以使沉在水底的萝卜浮起来?

增加水的密度

使用其他容器

倒入更多水

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

以下哪个材料可以增加水的密度?(答案超过一个)

6.

MULTIPLE CHOICE QUESTION

1 min • 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

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

以下哪组物品放入水后会沉入水里?

螺钉,塑料瓶盖,羽毛

铁尺、塑料叉子,橡皮筋

小番茄、树枝、橡皮筋

橡皮筋、干电池、回形针

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