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That would be sound.
A Compressional wave.
The particles change mean speed and concentration.
When thermal energy is added to particles of matter, it causes the particles to move faster and emit more energy.
The matter transfers the energy, it does not move very far. It circles at approximately the same spot as the wave energy passes.
That would be sound.
A Compressional wave.
particles
The particles change mean speed and concentration.
Yes, compressional waves are what sound is made of. Since there is no sound in a vacuum, it can be assumed that compressional waves only travel through matter. You can also think of it like this: they're called compression waves because something is compressing. If there was no matter, there'd be nothing for them to compress.
When thermal energy is added to particles of matter, it causes the particles to move faster and emit more energy.
The particles start moving faster and the matter expands.
The particles are no longer fixed by the forces keeping it a liquid
Matter vibrates in the same direction as the wave is traveling
it will change to liquid
Compression.
When thermal energy is taken away from matter particles move more slowly. When thermal energy is added to matter particles move faster.