三年级密度
Quiz
•
Science
•
3rd Grade
•
Practice Problem
•
Hard
LEE Moe
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10 questions
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1.
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
2.
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
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
在水中加入X物质,水的密度产生了什么改变?
水的密度在增加了
水的密度在减少了
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
人类应用密度的知识与原理制造船只、游艇以及潜水艇。
对
错
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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