三年级科学单元七密度

Quiz
•
Science
•
3rd Grade
•
Medium
LEE Moe
Used 42+ times
FREE Resource
12 questions
Show all answers
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
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
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
密度比水小的物体会浮在水面。
对
错
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
食油和水不会混合在一起因为两者的密度不同。
对
错
7.
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
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