They move around freely!!
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Gas
are in random, constant, straight-line motion
Boiling or gas
Molecular motion is less constrained in liquid than in solid and is less constrained in gas than in liquid.
Molecular motion in a gas would cease
Rapid Motion does.
jittering motions of pollen grains as viewed under a microscope
It is the unpredictable direction of motion, of which all directions have an equal probability.
The transfer of heat through a fluid (liquid or gas) caused by molecular motion.
The solid state has the least molecular motion.
Solid particles vibrate while locked in place. As they receive more energy, particles speed increases. Once the particles have enough energy they break apart and slide past each other as a liquid. The particles speed continues to increase as energy is added. Finally, they gain enough energy to break free and move independently as a gas.