How does the motion of particles in a solid compare with the motion of particles in a gas

Your answer is...

Motion in solids slow down, and are closer together, vibrating, but not moving from their spots. Though in a gas, all the particles move freely, without any special form, taking the shape of its container.

Hope this helped! -Perplxxd

Extra Fact: Motion in liquids also take the shape of the container that they are in, but they are close together, unless separated.

The are more compacted in a solid, and are not move as freely than the gas particles.

Explanation:

Solid, compacted, not moving as much atoms.

Gas, not compacted, freely moving, and less atoms.