水火箭知识
Quiz
•
Science
•
6th - 8th Grade
•
Hard
Ping Lu
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水火箭的原理是什么?
使用火药产生推进力
依靠地心引力产生推进力
通过太阳能产生推进力
利用水和压缩空气的反作用力产生推进力
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水火箭通常使用哪些材料制作?
塑料瓶、水和压缩空气
玻璃瓶、矿泉水和氧气
金属罐、汽油和火柴
木材、煤炭和火药
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在发射水火箭时,需要注意哪些安全事项?
在室内发射水火箭
确保穿着合适的服装
确保发射场地开阔无人,保持安全距离,确保水火箭结构完整
使用易燃材料
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水火箭实验中,如何调整水火箭的飞行轨迹?
改变水火箭的颜色
改变水火箭的重心位置、喷射方向或喷射力量
减少水火箭的喷射力量
增加水火箭的重量
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水火箭比赛中,评判标准通常有哪些?
飞行速度
燃料消耗
飞行高度、飞行距离、准确性和创意性
飞行时间
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水火箭的发射过程中,哪些因素会影响其飞行高度?
发射角度、推进力大小、空气阻力、重量和形状设计
发射时间
燃料种类
地面温度
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水火箭的推进力是如何产生的?
火箭内部的小人推动火箭向前运动
燃烧推进剂产生的高温高压气体推动火箭向前运动
通过电磁力推动火箭向前运动
使用风力推动火箭向前运动
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