8升9練習二:110物質的世界&波動與聲音
Quiz
•
Science
•
8th - 9th Grade
•
Practice Problem
•
Medium
Used 3+ times
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
湖水的總質量
每年的水分蒸發量
含有鹽分的總質量
鹽分的重量百分濃度
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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,觀察敲擊後是否會共振
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲被稱為固定氣體,乙則不是固定氣體
乙被稱為固定氣體,甲則不是固定氣體
甲為氬氣,在地表附近空氣中所占的比例隨地點有很大變化
乙為氧氣,在地表附近空氣中所占的比例幾乎不隨地點改變
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
兩人都是依物理性質分類
兩人都是依化學性質分類
只有阿牧是依化學性質分類
只有小菲是依化學性質分類
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲為氣態,乙為固態,丙為液態
甲為氣態,乙為液態,丙為固態
甲為固態,乙為氣態,丙為液態
甲為固態,乙為液態,丙為氣態
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