1-0實驗室安全~1-2質量的測量
Quiz
•
Science
•
8th - 9th Grade
•
Practice Problem
•
Easy
JOESPH HSU
Used 12+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「凡測量免不了要估計,因此就有誤差。」但下列何者沒有誤差?
心臟跳動一次的時間約 0.8 秒
信男身高約 160 公分
全班人數 50 人
現在的溫度 18℃
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列的測量結果中,哪一項不能算是完整的敘述?
甲生身高 160 公分
乙生 100 公尺跑 15.2 秒
這本書的面積是 30
這燒杯的重量是 120 克重
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關測量的意義,下列敘述何者錯誤?
完整的測量必須包含數字及單位兩部分
估計值位數愈多位,表示測量愈準確
凡測量就要估計,因此就有誤差
數字部分為一組準確值+一位估計值
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖所示,此天平如何處理才能「歸零」?
左盤先放上砝碼
甲螺絲向右旋入
乙螺絲向左旋入
以上皆可
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
欲測量一小袋食鹽的體積,應該怎麼做較為正確?
將食鹽放入純水中,以排水法測量
將食鹽磨粉後放入量筒中壓實,觀察量筒刻度
將食鹽壓成正立方體,用邊長的立方值計算
將食鹽放入無法溶解食鹽的某液體中,以排水法測量
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用三樑天平,將待測物體置於秤盤內,移動騎碼直到橫樑達到水平時,如何讀出物體的質量?
右盤砝碼的質量和
右盤砝碼加騎碼的質量和
所有橫樑上騎碼的讀數和
眼睛的視線和橫樑等高時,直接讀出橫樑上的刻度
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小戲與小馬測量同一書本的長度,結果如下:小戲測得 26.0 cm,小馬測得 26.00 cm,何者測量較準確?
小馬
小戲
一樣準確
無法判斷
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