this is for a science fair projects sooo plzzz help me!!!!
2007-05-10 12:18:59 · 5 answers · asked by Mashalia S 1 in Science & Mathematics ➔ Earth Sciences & Geology
I would guess that it's because iron occurs naturally as part of the ore of most metals; the more you refine the metal, the less of it you end up with and the resulting metallic thing is not as hard/ sturdy.
See if you can find a definite answer here: http://www.usmint.gov/
2007-05-10 12:58:07 · answer #1 · answered by whisper2roar 3 · 0⤊ 0⤋
During WW2 U.S. pennies were minted from steel because copper was scarce and strategically more valuable. No current U.S. coins have iron. Other countries have minted coins from stainless steel from time to time. Generally, iron is not desirable for coins because it is too hard and wears out the dies used for minting.
2007-05-10 20:12:23 · answer #2 · answered by mr.perfesser 5 · 0⤊ 0⤋
unless they changed the mix, some Canadian coins are magnetic...hth.
2007-05-10 19:54:48 · answer #3 · answered by sirbobby98121 7 · 0⤊ 0⤋
which money has iron??? That would make it magnetic, can't have that!!
2007-05-10 19:23:54 · answer #4 · answered by bombaybubba 3 · 0⤊ 0⤋
copper shortage.
2007-05-10 19:21:47 · answer #5 · answered by ? 7 · 0⤊ 0⤋