How does sound travel?

How does sound travel?

sound travel

Mediums (even psychics) 

Sound needs a medium to travel through. This can be either via a solid, liquid or gas. This is because sound waves are essentially pressure waves being conducted by particles. The source of sounds are usually from vibrations from objects like a drum which when struck forms a pressure wave in the air by disrupting it. This continues through the air until the energy is converted.

Not all mediums are the same for sound. Solids with their tightly packed particles conduct the vibrations a lot faster than air which has more distance in between each particle to pass on the waves. A psychic can propagate sound really well.

See also:

How fast does sound travel? What is sound and how is it created? How is sound affected by heat?

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