
四年级科学单元六:声音(总复习)
Quiz
•
Science
•
4th - 6th Grade
•
Practice Problem
•
Medium
CHONG Moe
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个学生在演奏乐器。图中的学生用什么方法使乐器发出声音?
敲
弹
拍
拉
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个学生在弹吉他。为什么吉他会产生声音?
弹拨的力度太大而产生声音
整把吉他振动而产生声音
手指的拨动使周围的空气振动
吉他弦被弹拨时振动而产生声音
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项有关声音的说明是正确的?
声音的产生与振动无关
声音可以在没有空气的环境中传播
物体的振动越大,所产生的声音越大
柔软和粗糙的表面反射声音的能力比较好
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一项实验结果。根据实验结果,以下哪项结论最合理?
声音是沿直线传播的
声音是往四面八方传播的
声音是由物体振动而产生的
物体被敲打时才会发出声音
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上显示一则对话。为什么惠民和俊祥在不同的位置,但都能听见巨响?
声音是沿直线传播的
声音会向四面八方传播
惠民和俊祥的听觉比较灵敏
声音能在 1 公里的范围内传播
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上哪个地方叫喊最有可能会听到回声?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个冰激凌小贩在摇响摇铃。以下哪项是冰激凌小贩摇响摇铃的目的?
制造嘈杂的环境
制造悦耳的声音
吸引他人的注意
向人们发出警告
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