
理化109
Authored by 蔡偉宏 寶山國中
Science
8th - 9th Grade
Used 19+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖(一)所示,美美想把燒杯中的液體倒入滴定管中,她搭配下列哪一項器材來使用,最適合且最能避免在傾倒液體時灑出?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖(七)為羽毛球運動常見基本球路,圖中線段代表羽毛球的運動軌跡,箭頭代表移動方向,由此判斷,哪一種球路的運動過程,羽毛球相對於地面的重力位能只會一直減少?
殺球
挑球
高遠球
放小球
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
樂譜上常用 f、p 等力度記號來表示樂曲在此處的音量(響度)大小應該如何變化,此類力度記號與聲波的下列何種特性最相關?
波長
波速
頻率
振福
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
天平兩邊秤盤上分別有甲、乙兩燒杯,燒杯中盛有濃度、體積均相同的鹽酸,靜止時指針指在中央的位置。將質量相同但顆粒大小不同的 X、Y 兩份大理石碎塊,同時分別倒入甲、乙兩燒杯,如圖(八)所示。反應剛開始冒出氣體,使兩杯質量均減輕,且指針往右偏轉,如圖(九)所示。根據圖(九)結果,判斷燒杯內初始反應速率的快慢及其原因,下列說明何者正確?
甲燒杯較快,因為 X 的顆粒較大
甲燒杯較快,因為 X 的顆粒較小
乙燒杯較快,因為 Y 的顆粒較大
乙燒杯較快,因為 Y 的顆粒較小
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
室溫下,小綺分別配製甲、乙、丙三杯濃度皆為 0.2 M 的水溶液,其溶質種類與說明,如表(二)所示。這三杯水溶液 pH 值的大小關係,應為下列何者?
甲>乙>丙
甲=乙>丙
丙>乙>甲
丙>乙=甲
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
市面上販售的萘丸,其主要成分為「萘」,可用來驅蟲。已知萘是一種有機烴類化合物,下列何者所含有的原子種類與萘完全相同?
A
B
C
D
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