三年级科学密度
Quiz
•
Science
•
9th Grade
•
Practice Problem
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Medium
Wansi Lee
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 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
3 mins • 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
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
以下哪项正确地说明上图两种物体?
密度比水大
密度比水小
能改变水的密度
放入水中时会往下沉
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
以下哪个物体在水里是浮的?
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
如何才能使剥了皮的橙浮在水面上?
把橙剥得更小瓣
在水里加入三汤匙的盐
在水里加入三汤匙的油
把三个乒乓球和橙绑在一起
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
为什么冰块和木塞会浮在水中?
冰块和木塞的密度相等
冰块和木塞的密度比水大
冰块和木塞的密度比水小
木塞的密度比冰块和水大
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
子轩到茶餐室时,发现有位顾客点了一杯有三层不同颜色的三色奶茶。茶餐室老板利用什么原理来冲泡三色奶茶?
体积
密度
浮与沉
饮料种类
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