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三年级科学 密度 2

Authored by CHUNG Moe

Science

3rd Grade

Used 959+ times

三年级科学 密度 2
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个材料的密度比水大?

冰块

木塞

炼乳

木块

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

橡皮檫的密度比水(大,小),所以放入水里后会(浮,沉)。

大,浮

大,沉

小,浮

小,沉

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

木板的密度比水(大,小),所以放入水里后会(浮,沉)。

大,浮

大,沉

小,浮

小,沉

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

密度比水小的物体会浮在水面。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如何使小番茄可以浮起来?

改变水的密度

用其他容器装水

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

冰块浮在水面因为它的密度

比水小

比水大

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

鹅卵石沉入水底因为它的密度

比水小

比水大

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