4年级科学 — 第9课地球
Quiz
•
Science
•
4th Grade
•
Hard
LAI Moe
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图1显示四个人在场上打羽毛球。
如果地心引力失效了,将会怎样?
羽毛球还是会掉下来
羽毛球会漂浮在空中
羽毛球无法到达另一边
其中一人无法打出羽毛球
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图2显示一个芒果在树上掉落在地上。
地心引力的主要作用是什么?
将地球上所有的生物漂流到外空
将地球上所有的非生物漂流到外空
将地球上所有的非生物吸引在地球表面
将地球上所有的生物和非生物吸引在地球表面
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下面是有关维恩进行一项活动的说明。
“维恩用力地从X点跳到Y点”
哪项活动所显示的效应与以上说明是相同的?
小行星在外太空漂流着
热气球不断地升到天空
选手从跳台跳下泳池里
人造卫星往太空的方向发射
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图3显示一个活动所显示的效应。
图3的活动所显示的效应向着地球的哪个方向,将地球上所有的生物和非生物吸引在地球的表面?
地球的外层
地球的南边
地球的北边
地球的中心
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图4显示林先生在油站添加汽油。
哪项说明是正确的?
油枪使汽油流入油箱里
汽车将汽油流入油箱里
地心引力使汽油流入油箱里
油枪里的汽油无法流入油箱里
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图5显示地球的一项活动。
地球需要多久才能完成图5的活动?
12小时
24小时
天
天
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图6显示地球的一项活动。
地球由什么方向进行图6的活动?
由东向西
由南向北
由西向东
由北向南
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