The girls put salt on dirty pennies then dropped vinegar on top of the pennies. (It makes hydrochloric acid - just what every parent wants their kids playing with!) They had fun cleaning up the pennies and making them shiny again.
Thursday, June 19, 2008
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1 comments:
Geez Amy, are you sure you're not a scientist? Ater the summer, you're girls will be! How fun!
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