Steel, The greater the density, the faster sound travels through it.
metals
As sound is a mechanical wave (unlike light, an electromagnetic wave), it requires a medium in which to travel, therefore, it cannot travel through a vacuum.
when solids are packed tightly/closely together sound waves travel faster
You'd have to say that the speed of sound waves in vacuum is zero, becausesound can't travel through vacuum at all. Not even an inch. Sound needs amaterial substance to travel through.
Sound waves require something to travel through like air or water. The waves travel through this substance and into your ear, vibrating the eardrum. In the vacuum of space, there simply isn't enough of anything for the sound waves to travel through.
Any substance!
metals
Sound can travel through most substances but the loudness depends on the substance.
Since sound is a mechanical wave (it needs a substance to travel through) it cannot travel through a vacuum.
water!
A liquid
Sound (and vibration) are a wave system of sequential compressions and rarefactions of a material. These waves are mechanical and do need a substance through which to travel. They cannot travel through a vacuum.
Water- It is denser, and sound travels better through a denser substance.
Sound (and vibration) are a wave system of sequential compressions and rarefactions of a material. These waves are mechanical and do need a substance through which to travel. They cannot travel through a vacuum.
As sound is a mechanical wave (unlike light, an electromagnetic wave), it requires a medium in which to travel, therefore, it cannot travel through a vacuum.
when solids are packed tightly/closely together sound waves travel faster
You'd have to say that the speed of sound waves in vacuum is zero, becausesound can't travel through vacuum at all. Not even an inch. Sound needs amaterial substance to travel through.