
2年纪科学 (混合物)
Authored by yu xuan
Science
2nd Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
混合物由什么组成?
1种大小相同的物质
2种或以上不同的物质
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项不是混合物?
鸡蛋拌饭
白开水
盐水
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
什么物质可以【用手】来进行分离法?
(答案多选)
大小明显不同
质量明显不同
形状相似
颜色明显不同
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
如何分离枯叶和碎石?
(答案多选)
用磁铁
用手
漂浮法
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种情况适合漂浮法?
混合物中,其中一项会漂浮
混合物中,两项物质都会漂浮
不会漂浮的混合物
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
含有磁性物质的混合物可使用哪种分离法?
用滤纸
用筛子
用磁铁
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
如何分离豆子和奶粉?
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