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熱的對流(液體)

Authored by 詔安 楊

Science

6th Grade

Used 1+ times

熱的對流(液體)
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

液體受熱後會怎樣?

消失

不動

下降

上升

2.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

冷水會往哪裡移動?

不會動

四處亂跑

下面

上面

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

為什麼煮水時要從底部加熱?

方便放瓦斯爐

因為熱水會往上流動

因為熱水會往下流動

因為壺底比較厚

4.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

下列哪個情況最能代表液體的對流?

鐵棒變燙

熱湯裡的菜上下流動

熱氣球升空

太陽曬熱地面

5.

DRAW QUESTION

3 mins • 10 pts

此圖為瓦斯爐火加熱煮開水:

1.請用紅筆畫出熱水流動方向。

2.請用藍筆畫出冷水流動方向。

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