"I don't know if I'd call what we can low level control." she said, looking thoughtful but then shaking her head. "We manipulate the energy around us, it doesn't really matter what element it is. "The same person who caused the storm also seems to be pretty good with fire." She'd nearly killed everyone in the school during a dance.
"It's not just elements either. It's anything that has energy." so, almost everything around them could be manipulated in some way or another, even if it didn't make sense, like being able to control card games or ordering hot pizza boys.