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多變的天氣是非題001

Authored by 勁男 李

Science

6th Grade

Used 7+ times

多變的天氣是非題001
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50 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在裝有碎冰的杯子裡加鹽,再把裝有水的塑膠管倒置放入杯中,當杯中的溫度下降到0℃以下,塑膠管中的水會蒸發成水蒸氣。

O
X

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

進行「製造露和霜」的實驗時,在碎冰塊中加入小蘇打粉,可以讓杯中的溫度降到0℃以下。

O
X

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

小明在碎冰中加食鹽並攪拌,小光在碎冰中加砂糖並攪拌,五分鐘後,小明那杯的溫度較低。

O
X

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

偉均和爸爸到漁港買魚,爸爸將魚放入裝有碎冰和食鹽混合的保麗龍盒中可以保鮮。

O
X

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

甲保麗龍盒中裝有碎冰和食鹽的混合,乙保麗龍盒中裝有冰水和醋的混合,海產想保鮮應放入乙保麗龍盒中。

O
X

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

小葵將冰棒放入混合有碎冰和食鹽的保麗龍盒中,這樣可以延長冰棒的保存時間。

O
X

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

茉莉將水果冰放入裝碎冰和食鹽混合的保麗龍盒中,這樣可以加速水果冰快速融化為果汁。

O
X

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