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二年级科学

Authored by Chew Ling

Science

2nd Grade

Used 2+ times

二年级科学
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

分开 薏米 面粉 可以使用哪一个方法?

用筛子

蒸发

用手

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

分开 要使用哪一个方法?

用滤纸

用手

用漂浮法

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

如何分开 盐水

用磁铁

用筛子

蒸发

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪种物质能溶解在水里?

面粉

5.

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

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪个方法能让糖在水里较快溶解?

用汤匙搅拌

减少水的分量

把烧杯放入冰箱里

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪个烧杯里的糖溶解更快?

加入冷水

加入温水

加入热水

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