
2上 L1段考複習
Authored by 張雅媖 張雅媖
Science
8th Grade
Used 11+ times

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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有一個密度為7.1公克/立方公分的正立方體鋅塊,若將其對切成兩半,則半個鋅塊的密度為多少公克/立方公分?
3.55
7.1
14.2
28.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
取三個完全相同的燒杯,裝入等量的水,分別放入質量相同的銀塊(密度:10.5公克/立方公分)、鐵塊(密度:7.9公克/立方公分)、鋁塊(密度:2.7公克/立方公分),若金屬塊皆完全沒入水中,且燒杯內的水皆沒有溢出,則哪個燒杯中的水面上升最多?
放入銀塊的燒杯
放入鐵塊的燒杯
放入鋁塊的燒杯
三個燒杯水面上升一樣多
Answer explanation
質量相同的情況下,密度小的金屬體積大。鋁的密度最小,體積最大,所以可使燒杯水面上升最多。
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
使用上皿天平測量物體,若右盤放置的砝碼為50公克1個、20公克1個、10公克1個、200毫克砝碼1片、100毫克砝碼1片,則此物體質量應記錄為多少公克?(此天平可測量的最小刻度單位為100毫克)
80.3
83.0
80.30
83.00
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
阿康取144公克乾燥的沙子,放入量筒內,再倒入100毫升的水,並以玻璃棒充分攪拌後,靜置一段時間,整個過程的量筒讀數變化如下圖所示,請問沙子的實際體積為多少立方公分?
90.0
100.0
110.0
120.0
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
(甲)你的年齡;(乙)你的體重;(丙)家裡的成員數目;(丁)跑完200 m所需的時間;(戊)存款的金額。上述哪些測量結果,必定有誤差?
乙丙丁
乙丁戊
甲乙戊
乙丁
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列哪一個選項並不是完整測量結果的敘述?
今天早上8點的氣溫為28.7℃
昨天下午新莊的降雨量為10.2公厘
威稜100公尺跑13.4秒
王小民的身高是192
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
小華量身高,測量結果為153.8公分,其中哪一個數字為估計值?
8
3
5
1
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