The movement of particles are little and negligible. And, a rock is a solid. Solid particles move the least because they contain the least amount of energy.
The goal of social psychology is to understand cognition and behavior as they naturally occur in a social context
The punctuation looks all good but if this is for class I wouldn’t use words such as “My guy” or “ain’t” or “that’s cap” etc
the tone of this excerpt is optimistic
False, Car accidents' are caused by mostly DUI or Speeding.