
天文答题竞赛
Quiz
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Medium
颜子芳Gan Fang
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
太阳大气从亮度最亮到最暗依次是( )。
色球,日冕,光球
日冕,色球,光球
光球,日冕,色球
光球,色球,日冕
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
太阳的内部结构从温度最高到最低依次是( )。
辐射区、核反应区、对流区
核反应区、辐射区、对流区
对流区、辐射区、核反应区
核反应区、对流区、辐射区
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
太阳活动强弱的标志是( )。
耀斑的数量和大小
太阳风的强弱
日珥的大小
太阳黑子的多少和大小
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
太阳黑子的变化周期大约是( )。
10年
11年
76年
21年
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
耀斑和日珥发生在太阳大气层的_____________。
光球
色球
日冕
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
太阳活动对地球造成的影响有:
①引起潮汐现象;
②干扰短波通讯;
③昼夜交替;
④极光的产生
①③
①②
③④
②④
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列不属于太阳系成员的是( )。
矮行星
彗星
流星体
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