
二年级科学2021年11月评估
Authored by Debbie Lor
Science
2nd Grade
Used 6+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个不是使物质较快溶解在水里的方法?
搅拌
采用温度较低的水
采用温度较高的水
采用体积较小的物质
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个物质可以溶解最快?
砂糖
冰糖
块糖
石蜂糖
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
怎样分离混合物(水和面粉)?
用手
用筛子
用滤纸
用磁铁
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
把盐水放在阳光下晒至全干,就会得到_______。
砂糖
空碟
盐粒
蒸馏水
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个说明是正确的?
溶剂+溶液→溶质
溶液+溶质→溶剂
溶质+溶液→溶剂
溶质+溶剂→溶液
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个物质不会溶解在水?
盐
蜂蜜
炼乳
咖哩粉
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我们把以下哪个物质放入水里搅拌,水里不会有沉淀物?
面粉
粉笔末
胡椒粉
即溶咖啡粉
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