八上_自然科學總複習

Quiz
•
Science
•
8th Grade
•
Medium
張舒甯 張舒甯
Used 1+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下有關反射定律的敘述,何者正確?
入射線與反射線會在法線的同側
入射角大於反射角
入射角小於反射角
入射線、反射線、法線三者會共一平面
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關波速的公式何者錯誤
v =f×λ
v =1/T×λ
f=1/T
T =1/f
λ:周長
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一項會影響聲波的傳播速率?
聲音的音量
聲波的頻率
介質的溫度
地球與太陽的距離
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小明分別用吉他和鋼琴彈奏同一個音符,發現兩種樂器的聲音有不同的特色,是什麼原因造成的?
聲波的振幅不同
聲波的音色不同
聲波的頻率不同
他耳朵不太好
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小美在老師上吸熱與放熱反應的概念時睡著了,作為一個好同學,她希望妳能幫她檢查她事後整理的筆記是否正確,以下為她整理的放熱反應:(何者不是放熱反應)
白色無水硫酸銅變成藍色硫酸銅
木材燃燒
氯化亞鈷由藍色變成粉紅色
冰融化成水
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小美在老師上吸熱與放熱反應的概念時睡著了,作為一個好同學,她希望妳能幫她檢查她事後整理的筆記是否正確,以下為她整理的吸熱反應:(何者不是吸熱反應)
乾冰昇華成二氧化碳
氣體凝華成固體
液態水蒸發成氣體
酒精揮發
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
喝熱豆漿時,吹氣把湯吹涼,主要是運用哪一種熱的傳播方式?
傳導
對流
輻射
念力
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