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二年级 科学 单元8 混合物练习

Authored by MONICA Moe

Science

2nd Grade

Used 69+ times

二年级 科学 单元8 混合物练习
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个图不是混合物?

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

什么是混合物?

把两种物体分开

由两种至多种不同的东西混合而成的物体

一定要用水把两种物体混合起来

能让电流通过

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个方法不能把混合物分开?

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

盐水要用哪个方法才能把盐和水分离?

蒸发

用水

用筛子

用磁铁

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

右图中混合物要如何分开?

用筛子。

用磁铁

用手

用漂浮法

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

右图中混合物要如何分开?

用筛子。

用磁铁

用手

用漂浮法

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

右图中混合物要如何分开?

用筛子。

用磁铁

用手

用漂浮法

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