
113-8上理化習作ch1
Quiz
•
Science
•
8th Grade
•
Medium
林 炳弘
Used 1+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小明使用直尺測量自然科學課本的長度,試問下列哪一種方式增加測量的準確性?
選擇刻度較小的直尺
選擇長度較短的直尺
測量時應小心謹慎
多次測量求出平均值
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列敘述何者使用的皆是國際單位?
若華測量書桌寬度為 1.2 公尺
芳哥量得大杯紅茶的體積約為小杯的 2 倍
測得佳蓁跑 100 英尺的速率為 6.4 公尺/秒
孟純量得小包芒果乾的質量為 1.5 臺斤
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿華撿到一枚金屬戒指,想把學過的密度概念,想藉由密度來判斷這枚戒指是由哪一種金屬所製成。他利用天平及排水法測得此枚戒指質量為 26.25 g,體積 2.5 cm³,對照表中密度,你知道阿華撿到的是哪一種戒指嗎?
金戒指
銀戒指
銅戒指
鐵戒指
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿翰想要在國際會發表正式的科學文章,你覺得他的文章中出現哪些單位較不恰當?
公斤
磅
公斤
秒
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小芽想利用天平測量錐形瓶裡水的質量,請問下列操作步驟中,何者錯誤?
使用前先調整校準螺絲,使天平兩邊保持水平
夾取砝碼時,應使用砝碼夾
當指針左右擺幅相同時,代表兩盤上的質量相等
當達成水平平衡時,將錐形瓶與砝碼互換位置,天平不會平衡
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
對於多次測量求得的平均值而言,下列敘述何者正確?
平均值經過多次測量,因此不會有誤差
平均值通常較接近物體實際的測量值
求平均值時,小數點後面保留的位數愈多愈好
平均值就是被測物體的實際數值
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個選項不是完整測量結果的敘述?
今天早上 8 點的氣溫為 30.6°C
佳蓁的身高 165.8
書桌長相當於 5.3 枝原子筆長
小毛 100 公尺賽跑成績為 13.4 秒
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