Literally nothing you do before 10 counts for anything. Humans basically blink into consciousness around that age, with all the skills and knowledge that you've gained to that point.
Madness string 111421
Any sufficiently advanced science is indistinguishable from magic. Ultimately the determining feature is how well it's understood in practice, or in retrospect. If a thousand years later nobody still understands it and has made no progress toward understanding it, maybe it is magic... or maybe they're just idiots.