
鈾射線研究影片測驗

Interactive Video
•
Science
•
8th Grade
•
Medium
洪瑞英 洪瑞英
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鈾射線是由哪種元素產生的?
氧氣
氮氣
鈾元素
碳元素
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鈾射線具有什麼性質?
增加土壤酸度
增加光線強度
增加水溫度
增加空氣導電性
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
瑪麗的實驗中使用了什麼來檢測鈾射線的強度?
玻璃和塑料
金箔和金屬片
木頭和紙張
鋼鐵和鋁片
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
瑪麗的實驗中無法精確測量放射線的強弱的原因是?
金箔太厚
金箔材質不對
金箔太薄
金箔從張開到閉合時間相同
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
瑪麗提出的解決方案是?
增加金箔數量
直接測量導電性
改變金箔材質
使用雷射測量
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
廠商為什麼沒有生產測量微弱電流的儀器?
政府限制
市場需求不足
技術不成熟
缺乏資金
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
市面上找不到測量微弱電流的儀器的原因是?
缺乏資金
成本過高
市場需求不足
技術問題
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