Technically the "device designed to maim and kill" also had a gas expansion inside of a closed vessel.
I am just making this post to point out that what she was doing COULD have been dangerous or fatal, it just wasn't.
Fortunately plastic containers will fail long before the buildup of pressure becomes too powerful. But in general, that kind of explosion does and can kill.
It's to do with intention. Even if she were to set off an explosion she'd not be guilty unless it were intentional and meant to hurt people.
The most she deserves in this case is a rap on the knuckle. I'd say not even that - maybe a gentle talking to - "be inquisitive, explore ... but be a little more careful."
The intent of opening and consuming a champagne bottle is different from the intent of mixing explosive chemicals in a sealed chamber, at a public school. I imagine if a child brought a champagne bottle to a school cafeteria, shook it up and threw it there would be significant consequences as well. Regardless of race.
I am just making this post to point out that what she was doing COULD have been dangerous or fatal, it just wasn't.
Fortunately plastic containers will fail long before the buildup of pressure becomes too powerful. But in general, that kind of explosion does and can kill.