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二年级科学单元八怎样使物质更快溶解

Authored by TEO Moe

Science

2nd Grade

Used 6+ times

二年级科学单元八怎样使物质更快溶解
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12 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

以下哪项会影响物质溶解在水里的速度?(选三个)

物质体积的大小

搅拌的速度

水的温度

物质的颜色

物质的形状

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

根据说明,哪种方法能够让盐更快溶解在水里?(选2个答案)

冷水

热水

不搅拌

搅拌

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

怎样使糖更快地在水里溶解?

用冷水

快速搅拌

用颗粒较粗的糖

用纱布包裹着糖

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

哪些方法能让盐更快地溶解? (选3个答案)

搅拌

用粗盐

用冷水

用热水

用细盐

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Media Image

哪些方法能让椰糖更快地溶解? (选2个答案)

用更大块的椰糖

不搅拌

放冷水

将椰糖切成小块

搅拌

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

水的温度越(高 / 低), 糖越快溶解在水里

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

搅拌得越(快 / 慢), 糖越快溶解在水里

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