
三年级科学 密度
Authored by CHIOU SAW
Science
3rd Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个材料的密度比水小?
冰块
玻璃
炼乳
铁片
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
密度比水小的物体会浮在水面。
对
错
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个方法能增加水的密度?
把食油倒入水里
把茶叶放进水里
在水里加入大量的糖
在水里加入大量的冰块
4.
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
什么物质可以改变水的密度?
油
沙
盐
墨汁
6.
MULTIPLE CHOICE QUESTION
30 sec • 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?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
请选出正确的答案。
浮
沉
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