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2年纪科学 (混合物)

Authored by yu xuan

Science

2nd Grade

Used 2+ times

2年纪科学 (混合物)
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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 BLANKS QUESTION

1 min • 1 pt

如何分离豆子和奶粉?

(a)  

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