三年级科学 密度 2
Authored by CHUNG Moe
Science
3rd Grade
Used 956+ times
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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。
对
错
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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