6年级科学(食物的变质)
Quiz
•
Science
•
6th Grade
•
Practice Problem
•
Medium
Swee Teng Ooi
Used 1K+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么食物会变质?
空气中的灰尘掉落在食物表面
食物里面原本的细胞变质变坏
食物里的水分逐渐增加
微生物分解和吸收食物的营养并排出废物
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中的食物变质后会出现哪些特征?
发出难闻的气味、质地变硬
外皮变得干瘪、长出白色斑点
颜色会改变、发出难闻的气味
发出臭味、长出绿色的斑点
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
食物变质是由________引起。
人类
植物
微生物
动物
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
海鲜、肉类变质后会有什么特征?
有酸味
发出臭味
失去弹性
有黑点
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下是X食物变质后的特征。
i.有泡沫
ii.有块状物
iii.发出酸味
X 食物是什么?
鱼
鸡肉
牛奶
蛋糕
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一种食物容易变质?
加工食品
新鲜食物
快餐
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我们应该把面包放在哪里,以防止面包变质?
炎热而潮湿的地方
潮湿而寒冷的地方
潮湿而温暖的地方
干燥而寒冷的地方
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