六年级科学常识问答比赛
Quiz
•
Science
•
6th Grade
•
Medium
TAN Moe
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50 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
图中显示一群斑马在面对老虎的攻击时所作出的举动。观察斑马的行为,可以作出什么推断?
A.斑马为了对抗老虎
B.斑马想要找机会逃走
C.斑马等待同类的援助
D.斑马为了防备老虎的攻击
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
导致食物变质的主要原因是什么?
A.周围气温的变化
B.食物里没有防腐剂
C.没有把食物洗干净
D.微生物在食物里滋生
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
图中显示渔夫在捕鱼时所发生的状况。
天空中哪个星座可以帮助辨认北方?
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
我们可以用以下官能来观察食物是否变质,
除了
A.味觉
B.听觉
C.嗅觉
D.视觉
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
海龟面临绝种的原因有
I. 误食塑料袋
II. 人类非法盗猎
III. 海龟蛋,孵化区遭破坏
IV. 产卵区气温高,造成孵化海龟性别失衡
A. I、II 和 III
B. I、III 和 IV
C. II、III 和 IV
D. I、II、III 和 IV
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
图中显示母亲在炒饭时的一个举动。X废物属于哪种废物?
A. 有毒废料
B. 食物残渣
C. 塑料
D. 排泄物
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
用巴氏杀菌法来处理食物时,食物会被加热至大约 _______________ 以杀灭大部分的微生物。
A. 60°C至90°C
B. 70°C至 85°C
C. 60°C至82°C
D. 55°C至85°C
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