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112學年 翰林五年級下期末 自然 第三單元

Authored by Yu Chang

Science

5th Grade

Used 9+ times

112學年 翰林五年級下期末 自然 第三單元
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60 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

進行操作變因的實驗組別是對照組。

O

X

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

鐵釘放進水裡可以防鏽。

O

X

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

其他條件相同下,浸過水的鋼棉比乾燥的鋼棉表面更容易產生紅棕色的易碎物質。

O

X

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電鍍技術是在鐵製品表面鍍上一層保護膜,可有效的防止鐵製品生鏽。

O

X

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

進行「鋼棉生鏽」實驗時,想知道水分會不會影響鋼棉生鏽,操作變因是鋼棉大小。

O

X

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

空氣、水分和酸性水溶液都是影響鐵製品生鏽的因素。

O

X

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

生活中常會發現一些生鏽的鐵製品,例如:鐵欄杆、鐵門等。

O

X

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