
4年级科学 单元6声音 (总复习)
Quiz
•
Science
•
3rd Grade
•
Hard
Chua Chua
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪种乐器可通过吹来产生声音?
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
佳琪用一支汤匙不停地敲打碗碟。哪项对声音的说明是正确的?
声音是由按压所产生的
声音是振动所产生的
声音是由弯曲所产生的
声音是由拉伸所产生的
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
伟杰在弹吉他时,发现振动的大小会影响声音的大小。
根据伟杰的观察,可作出什么结论?
振动越小,声音越大。
振动越小,声音越小。
振动越大,声音越小。
振动越大,声音保持不变。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
左图显示莉莉正在唱歌。莉莉通过什么器官而发出声音?
肺
喉咙
嘴巴
声带
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
什么是声源?
声音的类型
声音的大小
产生声音的方式
发出声音的物体
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
当佳琪在敲打空罐子时,保鲜膜上的盐在弹跳。
敲打空罐时所发生的风力使盐一起弹跳。
敲打空罐时所发生的振动使周围的空气也一起振动,所以盐会弹跳。
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
左图显示一颗小水滴从叶子滑落到水面上的情况。
哪项说明是正确的?
水面上的水波向四周传播
水面上的水波向一个方向传播
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