To visualized this look at video of the bingo ball machine. When is not motion, the ball are at the bottom and packed together. When energy is added, motion in this case, the balls start to bounce around. This is somewhat like the molecules of a solid when they melt. A freezing point is the opposite.
Feel free to be the first
Please review the linked page for context.
If you can think of something better than this,
please add it to the database