以上用来分离混合物的方法是________。

二年级科学 混合物

Quiz
•
Science
•
2nd Grade
•
Hard
Jasmine C
FREE Resource
39 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
漂浮法
用手
蒸发
用筛子
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪些物质会溶解在水里?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物质的体积_______,溶解得更快。
越大
越小
中等
冷冻
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
将冰糖放入水中,下列哪一项不会加快冰糖溶解?
换成热水
用大块的冰糖
用小块的碎冰糖
用玻璃棒快速搅拌
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一种混合物可以用筛子分离出来?
盐和水
黄豆和沙子
枯叶和石子
油和水
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一种方式可以分离石子和橡皮筋?
筛子
磁铁
用手
蒸发
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一组物质都能溶解于水?
芝麻、木屑
冰糖、蜂蜜
盐、石子
铁钉、面粉
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