二年级科学 混合物 - 总复习
Quiz
•
Science
•
1st - 3rd Grade
•
Medium
MARYANN Moe
Used 7+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是混合物?
两种物质分开在一起
一种物质混合在一起
两种或多种物质混合在一起
两种或多种物质没有混合在一起
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪些工具能把面粉从花生和枯叶中分开?
使用磁铁
使用筛子
使用过滤纸
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
回形针、玻璃弹子及面粉在同一个盘子里。哪些方法可以把回形针分开?
用手
使用磁铁
使用漂浮法
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
选出能够让枯叶、石头、树枝分离的方法
漂浮法
用筛子
用蒸发
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
咖啡粉和水混合在一起,用哪些方法可以把咖啡粉分出来?
用磁铁
漂浮法
用滤纸
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
把盐水放在太阳底下晒干,就能够得到盐粒。以上使用了哪些分离混合物的方法
蒸发
用手
漂浮法
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪种物质不能溶解在水里?
盐、沙、炼乳
芝麻、胡椒粉、茶叶
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