'Cause I'm a Scientist's Way of Looking Things

What would someone have to do to display ice or snow powers to you to no woud make you believe that they actually had ice orSnow powers and weren't just faking it? Then i worry that if we found out magic was real, or if magic was real in this world, wy ray, you would all be so skeptical that no level of something would allow us to believe it was real. If the air around them became superheated as they did this, thus sort of fulfilling the law of thermo dynamics, then i might buy into this ship. But if somebody just starts throwing snow around, i'll be like, ah, where did the heat go? You know