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三下2-2

Authored by 林敏蕙 林敏蕙

Education

3rd Grade

Used 6+ times

三下2-2
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25 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

水蒸氣遇冷變成水的現象,稱為

融化

凝固

凝結

蒸發

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

水在自然的情況下,由液態變成氣態的過程,稱為

蒸發

凝結

凝固

融化

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

在讓水凝固成冰的實驗中,為什麼要在冰塊中加食鹽?

調味

消毒

增加趣味性

降低溫度

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

下雨後,球場上的積水經過一段時間乾了,水到哪裡去了?

流到地底下去

被小鳥喝掉

變成水蒸氣

流到旁邊水溝裡

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

準備半杯熱水,用墊板蓋住杯口,經過一段時間後,觀察墊板會發現

墊板外側有小水滴

墊板內側有小水滴

墊板內外側沒有任何變化

墊板內外側都有小水滴

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

下面哪一個敘述錯誤?

水遇冷會凝固成冰

冰放入熱水中會融化

冰加食鹽可以加速冰融化速度

冰遇熱會融化成水

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

把果汁做成冰棒是因為水的哪一種特性?

凝固

凝結

蒸發

融化

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