i know how you fell.. i started when i was 14.. (2 years ago).. so i know some.. first off what are you trying to weld?.. and what are you using? a stick wielder? or a flux core wire feed? (i think those are the only two ARC welders??)...anywhoooo, the stuff that your trying to weld might be just TOO thin.. there is a heat level that will be perfect for any metal.. you just have to find it.. thay say that a perfect weld looks like a row a dimes... or a scar.. to do this (when you are joining two peices of metal) is make small slow C's.. like the leter.. just as if you were writing it... this pulls the metal off the first piece and mixes it with the welding rod and the other piece..making a strong bond.. just keeping doing small C's all the way down the seam with out stopping...it really does take pracice.. find an old bike... or something else made of stell.. and weld. just play with it and work on your meathod... one thing i learned in a was NEVER try to weld on paint.. allways grind it off first.. if you even can get it to arc, (its really hard to through paint) the welds will not hold.. and the burning paint is extreamly bad to breathe... i learned this the hard way..i make lil chopper bikes.. and i slapped one together and, i was using an old bike frame that still had some paint on it.. well it dident hold and i landed on my face.. so yea scrape it off first... but just practice.. then practice some more.. its just like anything else.. you have to work at it..
well i hope all that helped some.. good luck..
oo one more thing.. were a mask that covers you WHOLE face!! i was wearing welding gogles thay kinda look like this..(
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and i got a welders sun burn.. its like a sun burn but 10000x worse..