
B3C1-C3科學素養&問答
Authored by 文宏 王
Chemistry, Physics, Science
8th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
老師要求同學設計一個有關粉筆在水中浸泡時間與粉筆斷裂難易度關係的實驗,實驗方法為先將粉筆浸泡水中一段時間,再以相同的方法量出折斷粉筆所需要的最小外力。由下列選項的實驗紀錄表,推測何者的實驗設計最符合前述的實驗目的?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
瑋婷觀察爸爸在家中利用茶壺煮水時,茶壺內水量的多少似乎會影響水煮沸所需的時間,他假設當茶壺內水量越多,將水煮沸所需的時間也越多。若要驗證他的假設是否合理,下列哪一種實驗設計可直接用來驗證他的假設?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
妮妮向小櫻演示共振現象實驗的過程,如圖,面對小櫻的質疑,妮妮增加下列哪一個實驗來說服小櫻最合適?
減輕敲擊音叉的力量,觀察敲擊後是否會共振
將其中一支音叉更換成頻率為500 Hz的音叉,觀察敲擊後是否會共振
將兩支音叉更換成頻率同為500 Hz的兩支音叉,觀察敲擊後是否會共振
將其中一支音叉更換成頻率為360 Hz但大小不同的音叉,觀察敲擊
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
不鏽鋼皂是一種具有肥皂外型的不鏽鋼。業者宣稱當手上沾滿大蒜、洋蔥等傳統肥皂不易去除的味道時,一邊將手與不鏽鋼皂摩擦一邊以流水沖洗,可以消除部分氣味。小芸設計實驗驗證「不鏽鋼皂能否去除異味」,如表中的組別一和組別二所示。另外她還設計了組別三的實驗,關於組別三的說明,下列何者合理?
組別三作為「不鏽鋼皂能否去除異味」實驗的實驗組
實驗想驗證縮短沖洗的時間,去除異味的功效是否相同
實驗想驗證其他形狀的不鏽鋼物品,是否也具有去除異味的功效
實驗想驗證沾染不同種類的氣味,不鏽鋼去除異味的功效是否相同
5.
OPEN ENDED QUESTION
3 mins • Ungraded
測量值包含數字部分和甚麼部分?
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6.
OPEN ENDED QUESTION
3 mins • Ungraded
請問單位 體積 所含的 質量 指得是?(提示:答案兩個字)
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7.
OPEN ENDED QUESTION
3 mins • Ungraded
波不傳遞介質,而是傳遞甚麼?
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