
水火箭设计与发射原理
Quiz
•
Science
•
3rd Grade
•
Easy
Jiaee Jiaee
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6 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
水火箭通常由哪几个主要部分组成?
瓶身、轮子、翅膀
鼻锥、瓶身、尾翼、喷嘴
引擎、燃料、驾驶舱
螺旋桨、机翼、起落架
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
水火箭的鼻锥设计成流线型有什么好处?
让火箭看起来更漂亮
减少空气阻力,让飞行更顺畅
增加火箭的重量,飞得更远
帮助火箭降落时更稳定
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
为什么水火箭的瓶身通常使用汽水瓶?
汽水瓶比较轻
汽水瓶容易找到
汽水瓶有较高的抗压性,能承受发射时的气压
汽水瓶的颜色比较好看
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
水火箭发射升空是利用了什么原理?
地心引力
空气阻力
惯性定律
作用力与反作用力
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
在水火箭的设计中,如何选择合适的水量以获得最佳飞行效果?
只需少量水
不需要水
适量即可,通常为瓶身的三分之一
越多越好
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
水火箭的尾翼设计有什么作用?
提高发射速度
减轻火箭的重量
提供稳定性,帮助控制飞行方向
增加火箭的美观
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