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Any sound waves use a medium to travel along (on Earth the medium is Air, Water or any Solid.

A Vacuum, like Space, does not contain any particles; therefore sound waves have no medium through which to travel and thus Sound will NOT Travel (or be heard).

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Sound or Sound Waves, are mechanical energy, and require a mechanical medium to propagate (or travel). That means that the medium must behave or respond in some mechanical way to conduct sound. Air or any liquid or solid will respond mechanically to the compression and refraction of a Sound Wave.

In a vacuum, there is no Mechanical Medium and so Nothing to be compressed, so no sound will travel.
Because sound, unlike light, needs a medium, usually air. In a vacuum, there is no air.
Sounds cannot trasvel in a vacuum because they have no medium in which they can travel through.
Sound travel through matter, trough the interaction of the electrical force between particles.

Vacuum is per definition empty of matter, so there is nothing for a sound wave to propagate trough.
Sound relies on the movement of atoms to propagate.
Sound is simply the vibration of atoms in the air but a vacuum contains no atoms so there are no atoms to vibrate and sound cannot travel.

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โˆ™ 2011-05-25 13:35:59
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Q: Why won't sound travel in a vacuum?
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Related questions

Why does the sound not travel through vacuum?

The sound not travel through vacuum because sound need a medium to travel.


How fast can sound travel through a vacuum?

Sound cannot travel through a vacuum.


Speed of sound in vacuum?

Zero. Sound cannot travel in a vacuum.


What is the speed of sound in a vacuum?

Sound will not travel in a vacuum, so zero.


Where will sound not travel?

vacuum


Sound travels slowest in?

Sound travel slowest in gas. Actually, it is not in vacuum. In Vacuum sound cannot travel at all.


The velocity of sound in vacuum is?

It is told that sound cannot travel trough vacuum. Sound can only travel through medium.


Is the speed of sound at its maximum in vacuum?

Sound needs a medium to travel. Vacuum is no medium. Therefore there is no sound in vacuum.


Which environment will sound not travel through?

Sound will not travel through a vacuum.


Can sound travle to space?

Space is a vacuum. Sound cannot travel in vacuum


How fast is the speed of sound in a vacuum?

Sound waves cannot travel in a vacuum.


Does sound travel in vaccum?

Sound needs a medium through which to travel. It will not travel in a vacuum.


Can Sound waves can travel in a vacuum?

No. Since there is nothing sound can travel through, sound cannot travel.


How does the speed of sound change in a vacuum?

sound can not be in a vacuum because a vacuum has no air. Sound needs a medium to travel though. :)


Where can sound not travel?

through a vacuum


How does sound travel in a vacuum?

It can't.


Sound cannot travel in?

A vacuum.


What can not travel through a vacuum?

Sound.


What does sound go faster through a vacuum or a solid?

Sound does not travel in a vacuum. It needs a medium in which to travel (unlike light) and so sound cannot travel in a vacuum. However, in a solid sound travels faster than in air.


What must sound have in order to travel?

An atmosphere. Sound cannot travel in a vacuum.


What can sound waves not travel in?

sound waves can't travel in a vacuum (space)


How does sound travel through a vacuum?

It does not. Sound needs particles to be transmitted. Vacuum does not have particles.


If a tree fell in a vacuum why wouldn't you hear a sound?

Sound does not travel through a vacuum.


Is vacuum the sound that travels best?

No: worst. Sound cannot travel though a vacuum.


Can people here sound in space?

No. Sound is the vibration of air. Sound will not travel in a vacuum. Space is a vacuum