IS_Unit6_Unit_exercise_C
Authored by AristoScience AristoScience
Science
7th Grade
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A1. 我們能在顯微鏡下觀察原子。
正確
不正確
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A2. 冰和液態的水都是由相同的粒子組成的。
正確
不正確
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[E] A3. 充了氣的氣球質量，較未充氣時的高。
正確
不正確
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[E] A4. 氣球內的氣壓隨温度上升而增加。
正確
不正確
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[E] A5. 鐵塊受熱時密度會減少。
正確
不正確
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
B1. 火柴燃燒時釋出煙、熱和光。
下列哪項（些）是物質？
(1) 煙
(2) 熱
(3) 光
A. 只有(1)
B. 只有(2)
C. 只有(1)和(3)
D. 只有(2)和(3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
B2. 如果附近有人用了香水，我們很容易嗅得出來。這是由於香水粒子
(1) 體積很大。
(2) 膨脹。
(3) 在空氣中運動。
A. 只有(1)
B. 只有(3)
C. 只有(1)和(2)
D. 只有(2)和(3)
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