第 11 课 星系

Quiz
•
Science
•
6th Grade
•
Medium
LAU YII MING IPG-Pelajar
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
1. 星系是由什么组成的?
八大行星
星团和星云
小行星、流星体和彗星
恒星、恒星系、尘埃和气体
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
哪项有关银河系和太阳系的大小是正确的?
太阳系比银河系小
太阳系比银河系大
太阳系和银河系的大小相同
银河系是太阳系的一小部分
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
哪项是天体的大小由小到大的正确顺序?
地球,太阳,银河系,太阳系
太阳,太阳系,地球,银河系
地球,太阳,太阳系,银河系
银河系,太阳系,太阳,地球
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
哪项有关银河系的说明是正确的?
银河系属于椭圆星系
银河系的形状是圆的
银河系由无数的恒星、星团和星云所构成
银河系中的恒星大约有一亿颗
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
根据左图,讲述银河系的中心。
扁平
中心略厚
非常庞大
像一个圆盘
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
太阳系位于银河系的什么位置?
与银河系中心非常靠近的位置
距离银河系中心一半的位置
距离银河系中心三分之二的位置
距离银河系中心三分之一的位置
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
为什么人们无法清楚地观测到银河系中心的恒星?
恒星太小
恒星过于暗淡
恒星的数量太少
有许多尘埃和气体
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