
數位評量工具介紹-自然科範例
Authored by Yao Huang
Science
10th - 12th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
王君搭乘熱氣球在廣闊無風的平原上空觀賞風景,熱氣球以等速度5.0 m/s鉛直上升時,王君不小心使相機從離地高度為100 m處離手而成為自由落體,若不計空氣阻力並取重力加速度為10 m/s2,則相機著地前瞬間的速度量值約為多少 m/s?
55
45
35
25
15
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如圖所示, P、Q 兩點分別連接到電壓固定之直流電源的兩電極處,Q、Y兩點之間連接一個可變電阻器,X點可在Q、Y兩點間滑動,固定不動的螺線管上方藉由塑膠彈簧垂直懸掛一根磁棒。
最初未通電時彈簧為靜止狀態,通電後達靜力平衡時,發現彈簧較未通電時長。如果緩緩滑動 X 點至另一位置後停下,當彈簧再度達靜力平衡後,彈簧更加伸長,試問下列何者選項之操作能夠與觀測結果一致
P點接正極,Q點接負極,X點向Y點滑動
P點接正極,Q點接負極,X點向Q點滑動
P點接負極,Q點接正極,X點向Y點滑動
P點接負極,Q點接正極,X點向Q點滑動
彈簧是否伸長與X點的滑動方向無關
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
某廠商生產三種燈泡:白熾燈泡、省電燈泡、LED燈泡,其資料如表所示。假設一度電的電費為 2.5 元,每年平均約使用 2000 小時,且燈泡售價不變,「電能轉換為光通量效率」定義為平均光通量對耗電功率的比值,則下列敘述哪些正確?
(應選2項
LED燈泡一年的電費約為100元
一年電費與燈泡購置費總和的大小順序為:白熾燈泡>LED燈泡>省電燈泡
一年電費與燈泡購置費總和的大小順序為:白熾燈泡>省電燈泡>LED燈泡
「電能轉換為光通量效率」的大小順序為:LED燈泡>省電燈泡>白熾燈泡
只就節省電能考量,應全面換裝省電燈泡
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在某化學實驗室找到一瓶沒有標示的固體藥品,經由實驗檢測發現此固體藥品不導電,可溶於水,且水溶液不導電,也不會使石蕊試紙變色。則下列哪一項可能為此未知藥品?
苯甲酸 ( C6H5COOH )
醋酸鈉 ( CH3COONa )
碘化鉀 (KI )
氯化銨 (NH4Cl)
葡萄糖 (C6H12O6)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
氨氣與氧氣反應,可生成一氧化氮,其反應式如下:
NH3+O2-->NO+H2O (未平衡)
一氧化氮與氧氣反應生成二氧化氮,其反應式如下:
NO+O2 -->NO2 (未平衡)
若分別將此二化學反應式平衡,並取最小整數,試問下列哪一數字不會是兩個平衡反應式中的係數
1
2
3
4
5
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
下列關於「量子現象」的敘述哪些正確?(應選 2 項)
電子的雙狹縫干涉現象是因為電子具有粒子性
氫原子的發射光譜是屬於連續光譜
光電效應的實驗結果顯示光具有粒子性
量子現象皆可用古典物理中的電磁理論解釋
實驗觀測到的氫原子光譜特徵可用氫原子能階模型來解釋
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
絲瓜藤的卷鬚可攀爬木竿,捕蠅草的葉可捕蟲。這兩種生理現象的敘述哪些正 確?(應選 2 項)
皆與碰觸方向無關
攀爬不可逆,捕蟲則可逆
碰觸位置的細胞生長皆受抑制
攀爬過程有生長素參與,捕蟲過程則無
攀爬與睡眠運動相似,捕蟲與觸發運動相似
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