
熱的對流(液體)
Authored by 詔安 楊
Science
6th Grade
Used 1+ times

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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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