三年级科学-密度（复习）
Authored by Daphne wang
Science
1st - 12th Grade
Used 298+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
请选出正确的答案。
浮
沉
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
请选出正确的答案。
浮
沉
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
请选出正确的答案。
浮
沉
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何可以使沉在水底的小番茄浮起来？
改变水的密度
用其他容器装水
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
密度大于水的物体是____的，密度小于水的物体则是____的。
沉，浮
浮，沉
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么物质可以改变水的密度？
油
沙
盐
墨汁
7.
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？
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