五年级科学
Authored by TENG LAI HENG
Science
3rd - 5th Grade
NGSS covered
Used 166+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种情况会使人类感觉呼吸较困难？
天气比平日冷时
患上伤风感冒时
做了热身运动后
喝了热的饮料后
Tags
NGSS.HS-LS1-3
NGSS.HS-LS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中显示人类的某个器官。以下哪项是图中器官的主要功能？
保护气体不受污染
使体内充满氧气和水分
使氧气和二氧化碳可以进行交换
把体内的二氧化碳变成有用的气体
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
碱性物质的味道一般是怎样？
带有酸味
带有苦味
带有咸味
带有甜味
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪些物质会使蓝色石蕊试纸变成红色？
i 牙膏
ii 橙汁
iii 酸柑汁
iv 蒸馏水
i 和 ii
i 和 iv
ii 和 iii
iii 和 iv
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
酸性物质的味道一般是怎样的？
带有酸味
带有苦味
带有咸味
带有甜味
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种物质的水溶液能使
红色石蕊试纸变成蓝色？
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
伟祥用红色石蕊试纸和蓝色石蕊试纸来测试柠檬汁，会有什么观察结果？
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