Shift, fidget, or shuffle.
move about?
They move away from each other in other words they are shifting.
change, attempt, shift
Because it is an innate/inborn behavior. Some people have the instinct to do that and some people dont. In other words; we just do it.
The general tendency is for galaxies to move away from each other, in other words, the Universe is expanding. Only in our "immediate neighborhood" will you also find some galaxies that move towards us.
Move letters around to make other words
Some other words for cried are; teared up weeped sulked
why are some objects faster than other
why are some objects faster than other
why are some objects faster than other
For more adult type words, here are some other words for animal. Mammal, organism, brute, swine, being and monster are some handy words.
Some other words for "shocked" are surprised, startled, stupefy and emotional disturbance.