Sound waves are transmitted through the ____ of ____. A high pitch sounds means a high ____. This means that there are more ____ per ____. A loud sound means a high ____. This means that the particles move a ____ distance from their ____ point each time. Sound waves are ____. Sounds above ____ are ____ whilst sounds below ____ are ____; both are sounds that humans cannot ____.

Sound Waves

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?