Colorful Coins Sick Science ,193
Find out what is happening here: If you ve ever needed to clean a coin like a nickel or a dime, you might have used vinegar. That s a perfect combination, unless you forget to dry the vinegar off of the coin With the Colorful Coins activity, you ll see how there is more to a shiny nickel or dime that initially meets the eyes. Want more experiments like this Check out
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