1. If intentional, I wonder where she learned that?
2. When I was that old, I had no understanding that death was permanent. I thought it was like the RoadRunner cartoons where the coyote falls thousands of feet to his death and then is back chasing the bird mere seconds later.
So either the kid “committed suicide” but with no concept of what she was doing or she watched something on television and decided to act out the same way some children jump off rooftops to test their supposed ability to fly.
Or someone killed her.
My brother and I jumped off the roof of our house while holding umbrellas, figuring they'd work like parachutes. (Fortunately we were both fine.)