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六上自然U1

Authored by 王貴春 王貴春

Science

6th Grade

10 Questions

六上自然U1
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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

生活中有哪一個例子和熱脹冷縮的性質沒有關係? 

固體的奶油加熱後融化成液態
舊式鐵軌的兩端留有縫隙
乒乓球輕微凹陷泡熱水後恢復原狀
冬季氣溫驟降時,車輛的輪胎容易因空氣遇冷收縮而出現胎壓不足的現象

Answer explanation

Jupiter is a gas giant made primarily of hydrogen and helium. Unlike terrestrial planets that have solid surfaces, gas giants like Jupiter don't have a well-defined solid surface, allowing them to accumulate more mass in a gaseous form. This composition has allowed Jupiter to grow significantly larger than planets with solid surfaces.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

進行「溫度對氣體體積變化的影響」實驗時,如果想使瓶口的氣球變扁,要將試管放入下列哪一種溫度的水中? 

熱水
溫水
冰水
以上都可以

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

進行「溫度對固體體積變化的影響」實驗時,下列哪一個是操作變因? 

銅球和銅環的尺寸
燒杯裡的水量
銅球浸水的時間
銅球浸水時的水溫

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

物質是由微小的粒子組成的,下列敘述何者錯誤? 

固體的微小粒子排列整齊,熱脹冷縮的變化最大
氣體的微小粒子排列很鬆散,熱脹冷縮的變化最大
液體的微小粒子排列較鬆散,流動範圍內粒子可隨意移動
氣體的微小粒子排列很鬆散,因此粒子可以自由移動

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

根據觀察的現象,下列哪一項正確? 

熱氣球受熱後,會收縮
氣溫計受熱後,液體會下降
冷空氣會讓熱氣球膨脹而升空
金屬湯匙受熱變燙,但是感覺不出體積有明顯的變化

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

進行「溫度對氣體體積變化的影響」實驗時,用氣球套住錐形瓶,下列哪一項敘述正確? 

放入冷水中,氣球會膨脹變大
放入熱水中,氣球會收縮內凹
放入冷水中,氣球會收縮內凹
放入熱水中,氣球不會變

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

進行「溫度對固體體積變化的影響」實驗時,只加熱銅環後,會發生下列哪一種現象? 

銅球可以穿過銅環
銅球無法穿過銅環
銅環體積變小
銅球體積變大

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