Micha's polite smile grew slightly wider and wamer. An astute question. "You are born with the ability. As my old master, teacher, would say 'do or do not, there is no try'. It amplifies our physical abilities and we can manipulate objects without touching them. The Force can give warnings of iminent danger, for some it will even provide visions of possible futures."
She decided not to mention the Sith or the Dark Side. Brother Justin had no need to know, and aparently there were books and holos in this world that would give him the general idea.