Reword this like a five-year-old.
Chaos theory describes the qualities of the point at which stability moves to instability or order moves to disorder. For example, unlike the behavior of a pendulum, which adheres to a predictable pattern a chaotic system does not settle into a predictable pattern due to its nonlinear processes.
1 answer
Chaos theory is about things going from being calm and organized to being all crazy and messy. Like when a swing always goes back and forth in a way we can expect, but other things don't and can change in surprising ways.