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三年级 浮沉

Authored by Yong Hui Xin

Science

3rd Grade

三年级 浮沉
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

弹珠会浮还是沉入水中

沉入水中
在水中漂浮
沉入沙子中
浮在水面

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

椰子会浮还是沉如水里?

浮在水面

下沉

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

橡皮筋会浮还是沉入水里?

沉在水底

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

为什么物体会下沉入水底?

物体会下沉入水底是因为其密度大于水的密度。
物体会下沉是因为水的温度太高。
物体下沉是因为它被水推下去。
物体下沉是因为水的表面张力太强。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

为什么物体会漂浮在水面?

物体漂浮是因为它们比水更重。
物体漂浮是因为水的温度过高。
物体会沉入水中是因为重力大于浮力。
物体会漂浮在水面是因为浮力大于重力。

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