伟建将一只小鸡放入一个透明的密封塑料箱子里。箱子里有水和食物。两天后,小鸡却死亡了。
为什么?
Std5 Science Quiz 22/10
Quiz
•
Science
•
5th Grade
•
Medium
Y T
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
伟建将一只小鸡放入一个透明的密封塑料箱子里。箱子里有水和食物。两天后,小鸡却死亡了。
为什么?
小鸡缺乏空气而死亡
小鸡缺乏食物而死亡
小鸡缺乏水分而死亡
小鸡因为没有庇护所而死亡
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
方块糖的体积越大,越慢溶解。
上述说明应用哪项科学程序技能?
诠释资料
控制变数
作出观察
作出假设
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何确认材料的弹性?
观察材料能不能导电
观察材料在水中的外置
观察材料能不能吸水
观察材料被拉扯后的情况
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
华强应该利用哪一个测量工具来测量球抵达终点线的时间?
沙漏
日晷
手表
秒表
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关节上的软骨有什么功能?
制造骨髓
把骨头和骨头连接起来
减少骨头和骨头之间的摩擦
减少肌肉的疼痛
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_________ 能够让我们弯腰。
颈椎骨关节
踝关节
指关节
腰椎骨关节
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当血液被输送到心脏,进入心脏并被推送到人体各部分时,血液里哪一种气体的含量比较高?
二氧化碳
氦气
氩气
氧气
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