声音传播需要______。(两个字)
J1_第1章(下)声音和耳_01

Quiz
•
Science
•
7th Grade
•
Medium
W.Y. Tan
Used 78+ times
FREE Resource
16 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在泳池里放置一个响着的闹钟,你沉入水里时,你听到闹钟的声音。传播闹钟声音的介质是_______。
水
空气
泳池的砖头
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
声音是_______。
能量
物质
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
发出声音的固体都在_______。
振动
震动
真动
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
地球板块移动并且发生碰撞时,地面往往会出现强烈的_______。
震动
真动
振动
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下介质中,哪一种介质传播声音的速度最快?
桌子
水
空气
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
声音以_____的方式将声源向外传播。(1个字)
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