什么是地心引力?
四年级—地球

Quiz
•
Science
•
4th Grade
•
Medium
TEE Moe
Used 99+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
造成潮汐的力
让植物生长的力
把物体吸向地球的力
让地球环绕太阳运转的力
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪项说明是正确的?
天上的小鸟不会受到地心引力的影响
没有了地心引力,海水不会漂流到外太空
没有了地心引力,对我们生活不会有影响
没有了地心引力,我们没办法平稳地坐着
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下是地心引力的效应,除了~
坐在椅子上
平稳地走路
把水倒入杯子里
飞上空中
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么宇航员在太空船是漂浮的?
太空船里是真空的
外太空没有地心引力
太空船里注满了空气
太空船里的氧气含量较多
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
没有了地心引力,所有的物体都会
往下掉落
升上天空
悬空
保持不动
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
地球绕着______公转?
轴心
月球
宇宙
太阳
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下的自然现象形成与地球的自转有关,除了
昼夜交替
四季的形成
太阳东升西落
影子的长短
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